/* Basic reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #212121;
    background-color: #ffffff;
    overflow-x: hidden;
    max-width: 100%;
}

/* Navigation Bar - Red Black White Theme */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 3px solid #000000;
}

header:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
    width: 100%;
    box-sizing: border-box;
}

.nav-logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-logo {
    height: 50px;
    width: auto;
    border-radius: 50%;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    object-fit: cover;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 12px rgba(255, 235, 59, 0.5);
}

.logo {
    font-size: clamp(1.5rem, 4vw, 1.75rem);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.logo:hover {
    transform: scale(1.05);
    color: #ffeb3b;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 600;
    font-size: clamp(0.9rem, 2.5vw, 0.95rem);
    transition: all 0.3s ease;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.nav-menu a:hover::before {
    left: 100%;
}

.nav-menu a:hover {
    background-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
    color: #ffeb3b;
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-toggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-menu.active {
    display: flex;
}

/* Main content */
main {
    margin-top: 64px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

section {
    scroll-margin-top: 90px;
    min-height: 100vh;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
}

section:nth-child(odd) {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

section:nth-child(even) {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

#home {
    position: relative;
    isolation: isolate;
    background:
        linear-gradient(rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.82)),
        url("../IMAGES/SCHOOLS/home.jpeg") center / cover no-repeat;
}

#home::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(255, 255, 255, 0.08);
}

section h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: #d32f2f;
    position: relative;
    padding-bottom: 1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 100%;
}

section h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: clamp(60px, 15vw, 80px);
    height: 4px;
    background: linear-gradient(90deg, #d32f2f 0%, #000000 50%, #d32f2f 100%);
    border-radius: 2px;
}

section p {
    font-size: clamp(1rem, 3vw, 1.1rem);
    max-width: 600px;
    color: #424242;
    width: 100%;
}

/* School selection - Red Black White Theme */
.school-selection {
    margin-bottom: 2rem;
    text-align: center;
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    border: 2px solid #e0e0e0;
}

.school-selection:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
    border-color: #d32f2f;
}

.school-selection label {
    font-weight: 600;
    margin-right: 1rem;
    color: #d32f2f;
    display: block;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.school-selection select {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background-color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Roboto', sans-serif;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.school-selection select:hover {
    border-color: #d32f2f;
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.2);
}

.school-selection select:focus {
    outline: none;
    border-color: #d32f2f;
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

#sheet-iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    margin-top: 2rem;
    border: 2px solid #e0e0e0;
}

/* Notification section */
.notification {
    margin-top: 2rem;
    text-align: center;
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    border: 2px solid #e0e0e0;
}

.notification:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
    border-color: #d32f2f;
}

.notification h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #d32f2f;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.notification label {
    font-weight: 600;
    margin-right: 1rem;
    color: #d32f2f;
    display: block;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.notification select {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background-color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Roboto', sans-serif;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.notification select:hover {
    border-color: #d32f2f;
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.2);
}

.notification select:focus {
    outline: none;
    border-color: #d32f2f;
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

#notification-iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    margin-top: 2rem;
    border: 2px solid #e0e0e0;
}

.notification-results {
    width: 100%;
    margin-top: 2rem;
}

.school-results {
    width: 100%;
    margin-top: 2rem;
}

.data-table-wrap,
.notification-table-wrap {
    width: 100%;
    max-height: 420px;
    overflow: auto;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    background: #ffffff;
}

.data-table,
.notification-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 520px;
}

.data-table th,
.data-table td,
.notification-table th,
.notification-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #e0e0e0;
    vertical-align: top;
    font-size: 0.95rem;
    color: #212121;
}

.data-table th,
.notification-table th {
    position: sticky;
    top: 0;
    background: #d32f2f;
    color: #ffffff;
    font-weight: 700;
    z-index: 1;
}

.data-table tr:nth-child(even) td,
.notification-table tr:nth-child(even) td {
    background: #fafafa;
}

.data-table a,
.notification-table a {
    color: #b71c1c;
    font-weight: 700;
    text-decoration: underline;
    overflow-wrap: anywhere;
}

.data-table a:hover,
.notification-table a:hover {
    color: #000000;
}

.data-empty,
.data-error,
.school-empty,
.notification-empty,
.notification-error {
    max-width: 100%;
    margin: 2rem auto 0;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.data-empty,
.school-empty,
.notification-empty {
    background: #f5f5f5;
    color: #424242;
    border: 1px solid #e0e0e0;
}

.data-error,
.notification-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #d32f2f;
}

.ranker-filter {
    margin: 1.5rem 0 0;
    text-align: center;
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 2px solid #e0e0e0;
}

.ranker-filter label {
    display: block;
    margin-bottom: 0.75rem;
    color: #d32f2f;
    font-weight: 700;
    font-size: 1.1rem;
}

.ranker-filter select {
    min-width: 220px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: #ffffff;
    cursor: pointer;
}

.ranker-filter select:disabled {
    background: #f5f5f5;
    cursor: not-allowed;
}

.ranker-results {
    width: 100%;
    margin-top: 2rem;
}

/* Fee Payment - Red Black White Theme */
#fee {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(247, 247, 247, 0.98) 100%),
        linear-gradient(135deg, rgba(211, 47, 47, 0.08) 0%, rgba(0, 0, 0, 0.04) 100%);
}

.fee-payment {
    width: min(100%, 760px);
    margin-top: 2.25rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    background: #ffffff;
    padding: clamp(1.25rem, 3vw, 2.25rem);
    border: 1px solid rgba(33, 33, 33, 0.12);
    border-top: 5px solid #d32f2f;
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(33, 33, 33, 0.14);
    text-align: left;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.fee-payment:hover {
    box-shadow: 0 24px 55px rgba(33, 33, 33, 0.18);
    transform: translateY(-2px);
}

.fee-payment label {
    display: block;
    margin-top: 0.35rem;
    color: #424242;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.25;
}

.fee-payment select,
.fee-payment input {
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 0.8rem 0.95rem;
    border: 1px solid #cfcfcf;
    border-radius: 8px;
    background-color: #ffffff;
    color: #212121;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.fee-payment select {
    cursor: pointer;
}

.fee-payment input {
    cursor: text;
}

.fee-payment select:hover,
.fee-payment input:hover {
    border-color: #d32f2f;
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.08);
}

.fee-payment select:focus,
.fee-payment input:focus {
    outline: none;
    border-color: #b71c1c;
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.14);
}

.fee-payment select:disabled {
    background-color: #f3f3f3;
    color: #777777;
    cursor: not-allowed;
    opacity: 1;
    border-color: #d8d8d8;
    box-shadow: none;
}

#amount-display {
    width: 100%;
    min-width: 0;
    margin: 0.35rem 0 0.5rem;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(211, 47, 47, 0.24);
    border-left: 5px solid #d32f2f;
    border-radius: 8px;
    background: #fff7f7;
    color: #b71c1c;
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1.3;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

#pay-button {
    align-self: center;
    width: min(100%, 320px);
    min-height: 50px;
    margin-top: 0.35rem;
    padding: 0.85rem 1.5rem;
    border: 1px solid #8b0000;
    border-radius: 8px;
    background: linear-gradient(135deg, #d32f2f 0%, #9f1f1f 100%);
    color: #ffffff;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    box-shadow: 0 12px 24px rgba(183, 28, 28, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

#pay-button:hover:not(:disabled) {
    background: linear-gradient(135deg, #b71c1c 0%, #7f1111 100%);
    box-shadow: 0 16px 28px rgba(183, 28, 28, 0.35);
    transform: translateY(-2px);
}

#pay-button:active:not(:disabled) {
    transform: translateY(0);
}

#pay-button:disabled {
    border-color: #bdbdbd;
    background: #d6d6d6;
    color: #707070;
    cursor: not-allowed;
    box-shadow: none;
}

.previous-payment-toggle {
    align-self: center;
    width: min(100%, 320px);
    min-height: 48px;
    margin-top: 0.2rem;
    padding: 0.8rem 1.25rem;
    border: 1px solid #9f1f1f;
    border-radius: 8px;
    background: #ffffff;
    color: #b71c1c;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    box-shadow: 0 8px 18px rgba(183, 28, 28, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.previous-payment-toggle:hover {
    background: #fff3f3;
    color: #8b0000;
    box-shadow: 0 12px 24px rgba(183, 28, 28, 0.18);
    transform: translateY(-2px);
}

.previous-payment-panel {
    width: 100%;
    margin-top: 0.6rem;
    padding: clamp(1rem, 2.5vw, 1.35rem);
    border: 1px solid rgba(33, 33, 33, 0.12);
    border-radius: 8px;
    background: #fafafa;
    text-align: left;
}

.previous-payment-panel[hidden] {
    display: none !important;
}

.previous-payment-panel h4 {
    margin-bottom: 1rem;
    color: #212121;
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.3;
    text-align: left;
    letter-spacing: 0;
}

.previous-payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.9rem;
    width: 100%;
}

.previous-payment-field {
    min-width: 0;
}

.previous-payment-field label {
    display: block;
    margin: 0 0 0.45rem;
    color: #555555;
    font-size: 0.88rem;
}

.previous-payment-field input {
    width: 100%;
    min-width: 0;
    background: #ffffff;
}

.previous-payment-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1rem;
}

.previous-payment-button {
    min-height: 44px;
    padding: 0.7rem 1.25rem;
    border: 1px solid #9f1f1f;
    border-radius: 8px;
    background: #b71c1c;
    color: #ffffff;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.previous-payment-button:hover {
    background: #8b0000;
    box-shadow: 0 8px 18px rgba(183, 28, 28, 0.22);
    transform: translateY(-2px);
}

.previous-payment-button.secondary {
    border-color: #bdbdbd;
    background: #ffffff;
    color: #b71c1c;
}

.previous-payment-button.secondary:hover {
    border-color: #d32f2f;
    background: #fff3f3;
    color: #8b0000;
}

.previous-payment-status {
    min-height: 24px;
    margin: 0.9rem 0 0;
    color: #424242;
    font-weight: 700;
    line-height: 1.35;
    text-align: center;
}

.previous-payment-status.success {
    color: #1b7f3a;
}

.previous-payment-status.error {
    color: #c62828;
}

.previous-payment-results {
    width: 100%;
    margin-top: 1rem;
}

.previous-payment-empty {
    max-width: 100%;
    padding: 0.95rem;
    border: 1px dashed #cfcfcf;
    border-radius: 8px;
    background: #ffffff;
    color: #555555;
    text-align: center;
}

.previous-payment-table-wrap {
    width: 100%;
    max-height: 280px;
    overflow: auto;
    border: 1px solid #d8d8d8;
    border-radius: 8px;
    background: #ffffff;
}

.previous-payment-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
}

.previous-payment-table th,
.previous-payment-table td {
    padding: 0.8rem 0.9rem;
    border-bottom: 1px solid #eeeeee;
    color: #212121;
    line-height: 1.35;
    text-align: left;
    vertical-align: top;
}

.previous-payment-table th {
    position: sticky;
    top: 0;
    background: #212121;
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.previous-payment-table tbody tr:nth-child(even) {
    background: #fafafa;
}

.previous-payment-table tbody tr:hover {
    background: #fff3f3;
}

.school-page #fee {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(247, 247, 247, 0.98) 100%),
        linear-gradient(135deg, rgba(211, 47, 47, 0.08) 0%, rgba(0, 0, 0, 0.04) 100%);
}

.school-page .fee-payment {
    width: min(100%, 760px);
    max-width: 760px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    padding: clamp(1.25rem, 3vw, 2.25rem) !important;
    border: 1px solid rgba(33, 33, 33, 0.12);
    border-top: 5px solid #d32f2f;
    background: #ffffff;
    box-shadow: 0 18px 45px rgba(33, 33, 33, 0.14);
    text-align: left;
}

.school-page .fee-payment:hover {
    box-shadow: 0 24px 55px rgba(33, 33, 33, 0.18);
    transform: translateY(-2px);
}

.school-page .fee-payment label {
    margin: 0.35rem 0 0;
    color: #424242;
    font-size: 0.95rem;
    font-weight: 700;
}

.school-page .fee-payment select,
.school-page .fee-payment input {
    border: 1px solid #cfcfcf !important;
    border-radius: 8px !important;
    background: #ffffff;
    box-shadow: none;
}

.school-page .fee-payment select:hover,
.school-page .fee-payment input:hover {
    border-color: #d32f2f !important;
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.08);
}

.school-page .fee-payment select:focus,
.school-page .fee-payment input:focus {
    border-color: #b71c1c !important;
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.14);
}

.school-page .fee-payment select:disabled {
    border-color: #d8d8d8 !important;
    background: #f3f3f3;
    color: #777777;
    box-shadow: none;
}

.school-page #pay-button {
    width: min(100%, 320px);
    min-height: 50px;
    border: 1px solid #8b0000;
    background: linear-gradient(135deg, #d32f2f 0%, #9f1f1f 100%);
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(183, 28, 28, 0.28);
    letter-spacing: 0;
}

.school-page #pay-button:hover:not(:disabled) {
    background: linear-gradient(135deg, #b71c1c 0%, #7f1111 100%);
    box-shadow: 0 16px 28px rgba(183, 28, 28, 0.35);
    transform: translateY(-2px);
}

.school-page #pay-button:disabled {
    border-color: #bdbdbd;
    background: #d6d6d6;
    color: #707070;
    box-shadow: none;
}

.school-page .previous-payment-toggle {
    width: min(100%, 320px);
    background: #ffffff;
    color: #b71c1c;
    border: 1px solid #9f1f1f;
    box-shadow: 0 8px 18px rgba(183, 28, 28, 0.12);
}

.school-page .previous-payment-toggle:hover {
    background: #fff3f3;
    color: #8b0000;
    box-shadow: 0 12px 24px rgba(183, 28, 28, 0.18);
}

@media (max-width: 520px) {
    .school-page .previous-payment-toggle,
    .school-page .previous-payment-button,
    .school-page #pay-button {
        width: 100%;
    }
}

.ledger-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 0.9rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    letter-spacing: 0.5px;
    border: 2px solid #000000;
    transition: all 0.3s ease;
    margin: 1rem 0;
    min-width: 200px;
}

.ledger-button:hover {
    background: linear-gradient(135deg, #b71c1c 0%, #8b0000 100%);
}

.home-action {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    width: 100%;
    padding: 1rem 0;
}

/* Book Store - Red Black White Theme */
#bookstore-container {
    width: 100%;
    max-width: 1200px;
    margin-top: 2rem;
    padding: 0 2rem;
    box-sizing: border-box;
}

/* Loading and Error Messages */
.bookstore-loading,
.bookstore-error {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    text-align: center;
    font-size: 1.1rem;
}

.bookstore-loading {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1565c0;
    border: 2px solid #1976d2;
}

.bookstore-error {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    color: #c62828;
    border: 2px solid #d32f2f;
}

/* Search Container */
.bookstore-search-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
}

.bookstore-search-input {
    flex: 1;
    min-width: 250px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background-color: #ffffff;
    transition: all 0.3s ease;
    font-family: 'Roboto', sans-serif;
}

.bookstore-search-input:focus {
    outline: none;
    border-color: #d32f2f;
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

.bookstore-search-btn,
.bookstore-clear-btn {
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    border: 2px solid #000000;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(211, 47, 47, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bookstore-search-btn:hover,
.bookstore-clear-btn:hover {
    background: linear-gradient(135deg, #b71c1c 0%, #8b0000 100%);
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.4);
    transform: translateY(-2px);
}

.bookstore-clear-btn {
    background: linear-gradient(135deg, #424242 0%, #212121 100%);
    border-color: #d32f2f;
}

.bookstore-clear-btn:hover {
    background: linear-gradient(135deg, #212121 0%, #000000 100%);
}

/* Books Grid */
.bookstore-books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    width: 100%;
}

.bookstore-card {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.bookstore-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
    border-color: #d32f2f;
}

.bookstore-card-image {
    width: 100%;
    height: 180px;
    background: #f5f5f5;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e0e0e0;
}

.bookstore-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.bookstore-card:hover .bookstore-card-image img {
    transform: scale(1.05);
}

.bookstore-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.bookstore-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #d32f2f;
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.bookstore-card-author {
    font-size: 0.8rem;
    color: #424242;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.bookstore-card-description {
    font-size: 0.75rem;
    color: #666666;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    flex: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.bookstore-card-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
}

.bookstore-card-meta-item {
    background: #f5f5f5;
    padding: 0.3rem;
    border-radius: 3px;
    border: 1px solid #e0e0e0;
}

.bookstore-card-meta-label {
    font-weight: 700;
    color: #d32f2f;
    display: block;
    font-size: 0.7rem;
}

.bookstore-card-meta-value {
    color: #424242;
    display: block;
    font-size: 0.7rem;
}

.bookstore-card-id {
    font-size: 0.7rem;
    color: #666666;
    word-break: break-all;
    margin-bottom: 0.5rem;
    padding: 0.3rem;
    background: #f5f5f5;
    border-radius: 3px;
    line-height: 1.2;
}

.bookstore-card-buttons {
    display: flex;
    gap: 0.4rem;
    margin-top: auto;
}

.bookstore-order-btn {
    flex: 1;
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    border: 1px solid #000000;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(211, 47, 47, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

.bookstore-order-btn:hover {
    background: linear-gradient(135deg, #b71c1c 0%, #8b0000 100%);
    box-shadow: 0 2px 6px rgba(211, 47, 47, 0.3);
    transform: translateY(-1px);
}

.bookstore-order-btn:active {
    transform: translateY(0);
}

.bookstore-view-btn {
    flex: 1;
    background: linear-gradient(135deg, #424242 0%, #212121 100%);
    color: #ffffff;
    border: 1px solid #d32f2f;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

.bookstore-view-btn:hover {
    background: linear-gradient(135deg, #212121 0%, #000000 100%);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transform: translateY(-1px);
}

.bookstore-view-btn:active {
    transform: translateY(0);
}

.bookstore-view-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Pagination */
.bookstore-pagination {
    text-align: center;
    width: 100%;
    margin-top: 2rem;
}

.bookstore-show-more-btn {
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    border: 2px solid #000000;
    padding: 1rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 1rem;
}

/* Login section */
.login-section {
    width: 100%;
    max-width: 800px;
    margin-top: 2rem;
    padding: 2rem;
    background: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    text-align: center;
}

.login-open-btn,
.login-submit-btn,
.login-cancel-btn,
.admit-card-btn {
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    border: 2px solid #000000;
    border-radius: 8px;
    padding: 0.9rem 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0.5rem 0.25rem;
}

.login-cancel-btn {
    background: linear-gradient(135deg, #424242 0%, #212121 100%);
    border-color: #d32f2f;
}

.login-open-btn:hover,
.login-submit-btn:hover,
.login-cancel-btn:hover,
.admit-card-btn:hover {
    transform: translateY(-2px);
}

.login-panel {
    margin-top: 1.5rem;
    text-align: left;
    display: inline-block;
    width: 100%;
    max-width: 520px;
}

.login-panel label {
    display: block;
    font-weight: 700;
    color: #d32f2f;
    margin-bottom: 0.35rem;
}

.login-panel input {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
}

.login-panel select {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    background: #ffffff;
}

.school-admin-account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    margin: 0.5rem 0 1rem;
}

.school-admin-account-option {
    min-height: 44px;
    padding: 0.75rem;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
    background: #ffffff;
    color: #212121;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.school-admin-account-option:hover,
.school-admin-account-option.is-selected {
    border-color: #d32f2f;
    background: #ffebee;
    color: #b71c1c;
}

.login-cancel-secondary {
    width: 100%;
}

.login-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.login-message {
    font-size: 0.95rem;
    color: #212121;
    min-height: 22px;
}

.admin-admit-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 0.85rem;
}

.admin-admit-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 2px solid #000000;
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    transition: transform 0.3s ease;
}

.admin-admit-link:hover {
    transform: translateY(-2px);
}

.admit-card-btn {
    width: calc(100% - 2rem);
    max-width: 260px;
}

.admin-student-details-section {
    width: 100%;
    max-width: 1120px;
    margin-top: 2rem;
    padding: 2rem;
    background: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    text-align: left;
}

.admin-student-details-section[hidden] {
    display: none !important;
}

.admin-student-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.admin-student-header h2 {
    color: #d32f2f;
    margin-bottom: 0.4rem;
}

.admin-student-header p {
    color: #424242;
    margin: 0;
}

.admin-student-record-count {
    flex: 0 0 auto;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: #ffebee;
    color: #b71c1c;
    font-weight: 800;
}

.admin-student-filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.9rem;
}

.admin-student-field label {
    display: block;
    margin-bottom: 0.35rem;
    color: #d32f2f;
    font-weight: 800;
}

.admin-student-field input,
.admin-student-field select {
    width: 100%;
    min-height: 42px;
    padding: 0.75rem 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #ffffff;
    font-size: 1rem;
}

.admin-student-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.admin-student-btn {
    min-height: 42px;
    padding: 0.75rem 1.1rem;
    border: 2px solid #000000;
    border-radius: 8px;
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    cursor: pointer;
    font-weight: 800;
}

.admin-student-btn.secondary {
    border-color: #d32f2f;
    background: #ffffff;
    color: #b71c1c;
}

.admin-student-status {
    min-height: 22px;
    margin: 1rem 0;
    color: #424242;
    font-weight: 700;
}

.admin-student-status.error {
    color: #c62828;
}

.admin-student-status.success {
    color: #2e7d32;
}

.admin-student-table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
}

.admin-student-table {
    width: 100%;
    min-width: 1180px;
    border-collapse: collapse;
    background: #ffffff;
}

.admin-student-table th,
.admin-student-table td {
    padding: 0.75rem;
    border-bottom: 1px solid #e0e0e0;
    text-align: left;
    vertical-align: top;
}

.admin-student-table th {
    background: #ffebee;
    color: #212121;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.admin-student-empty {
    color: #424242;
    font-weight: 700;
    text-align: center;
}

@media (max-width: 900px) {
    .admin-student-header {
        flex-direction: column;
    }

    .admin-student-filter-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .admin-student-details-section {
        padding: 1rem;
    }

    .admin-student-filter-grid,
    .admin-student-actions {
        grid-template-columns: 1fr;
    }

    .admin-student-actions {
        flex-direction: column;
    }

    .admin-student-actions,
    .admin-student-btn {
        width: 100%;
    }
}

.bookstore-show-more-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #b71c1c 0%, #8b0000 100%);
    box-shadow: 0 6px 12px rgba(211, 47, 47, 0.4);
    transform: translateY(-2px);
}

.bookstore-show-more-btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
    box-shadow: none;
    border-color: #999999;
}

.bookstore-books-count {
    font-size: 0.95rem;
    color: #424242;
    margin-top: 1rem;
}

/* Responsive iframes */
iframe {
    max-width: 100%;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 2px solid #e0e0e0;
    height: auto;
    min-height: 400px;
}

/* About Us Section - Founder & Team */
#about-us {
    --about-red: #d32f2f;
    --about-dark: #171717;
    --about-gold: #f6b51b;
    --about-ink: #343434;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    min-height: auto;
    padding-block: 5rem;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.97) 0%, rgba(248, 248, 248, 0.96) 100%),
        repeating-linear-gradient(135deg, rgba(211, 47, 47, 0.05) 0 1px, transparent 1px 18px);
    border-top: 1px solid rgba(23, 23, 23, 0.08);
    border-bottom: 1px solid rgba(23, 23, 23, 0.08);
}

#about-us::before {
    content: "";
    position: absolute;
    inset: 1.25rem;
    z-index: -1;
    border: 1px solid rgba(23, 23, 23, 0.07);
    border-radius: 8px;
    pointer-events: none;
}

#about-us h2 {
    color: var(--about-dark);
    font-size: 2.4rem;
    line-height: 1.05;
    letter-spacing: 0;
    margin-bottom: 1.65rem;
    text-transform: uppercase;
    text-shadow: none;
}

#about-us h2:after {
    width: 92px;
    height: 5px;
    background: linear-gradient(90deg, var(--about-red) 0%, var(--about-dark) 48%, var(--about-gold) 100%);
}

#about-us .founder-section {
    width: 100%;
    max-width: 920px;
    position: relative;
    overflow: hidden;
    margin: 0 auto 3rem;
    background: linear-gradient(135deg, #ffffff 0%, #fffdf6 54%, #f7f7f7 100%);
    border: 1px solid rgba(23, 23, 23, 0.1);
    border-radius: 8px;
    padding: 2.75rem;
    box-shadow: 0 22px 45px rgba(23, 23, 23, 0.12);
}

#about-us .founder-section::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 6px;
    background: linear-gradient(90deg, var(--about-red) 0%, var(--about-dark) 50%, var(--about-gold) 100%);
}

#about-us .founder-section::after {
    content: "";
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(211, 47, 47, 0.08);
    border-radius: 6px;
    pointer-events: none;
}

#about-us .founder-container {
    max-width: 780px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

#about-us .founder-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.95rem;
    text-align: center;
}

.founder-profile {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
    align-items: center;
}

.founder-image {
    width: 100%;
    max-width: 350px;
    aspect-ratio: 1;
    border-radius: 16px;
    object-fit: cover;
    border: 4px solid #d32f2f;
    box-shadow: 0 8px 24px rgba(211, 47, 47, 0.3);
    transition: all 0.3s ease;
}

.founder-image:hover {
    transform: scale(1.05) rotate(-2deg);
    box-shadow: 0 12px 32px rgba(211, 47, 47, 0.5);
}

#about-us .founder-info h3 {
    max-width: 760px;
    color: var(--about-dark);
    font-size: 2.65rem;
    line-height: 1.05;
    margin: 0;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
    overflow-wrap: anywhere;
    text-shadow: none;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
    #about-us .founder-info h3 {
        background: linear-gradient(90deg, var(--about-dark) 0%, var(--about-red) 54%, var(--about-dark) 100%);
        background-clip: text;
        -webkit-background-clip: text;
        color: transparent;
        -webkit-text-fill-color: transparent;
    }
}

#about-us .founder-title {
    max-width: 660px;
    font-size: 1rem;
    line-height: 1.5;
    color: #8b1e1e;
    font-weight: 800;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0;
    padding: 0.55rem 0.9rem;
    background: rgba(246, 181, 27, 0.13);
    border: 1px solid rgba(246, 181, 27, 0.3);
    border-radius: 8px;
}

#about-us .founder-bio {
    max-width: 700px;
    font-size: 1.08rem;
    line-height: 1.85;
    color: var(--about-ink);
    margin: 0;
    padding-top: 1rem;
    border-top: 1px solid rgba(23, 23, 23, 0.09);
    text-align: center;
}

.founder-social {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.founder-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    transition: all 0.3s ease;
    border: 2px solid #000000;
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
}

.founder-social-link svg {
    width: 28px;
    height: 28px;
}

.founder-social-link:hover {
    transform: translateY(-8px) rotate(10deg);
    background: linear-gradient(135deg, #b71c1c 0%, #8b0000 100%);
    box-shadow: 0 8px 20px rgba(211, 47, 47, 0.5);
}

.founder-social-link.facebook:hover {
    background: linear-gradient(135deg, #1877f2 0%, #0a66c2 100%);
}

.founder-social-link.twitter:hover {
    background: linear-gradient(135deg, #1da1f2 0%, #1a8917 100%);
}

.founder-social-link.linkedin:hover {
    background: linear-gradient(135deg, #0077b5 0%, #004182 100%);
}

.founder-social-link.email:hover {
    background: linear-gradient(135deg, #ea4335 0%, #c5221f 100%);
}

/* Team Section */
.team-section {
    width: 100%;
    margin-bottom: 3rem;
}

.team-section h3 {
    font-size: 1.8rem;
    color: #212121;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
    border-bottom: 3px solid #d32f2f;
    padding-bottom: 1rem;
    display: inline-block;
    margin-left: 50%;
    transform: translateX(-50%);
    width: 200px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.team-member {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid #d32f2f;
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(211, 47, 47, 0.3);
}

.member-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all 0.3s ease;
}

.team-member:hover .member-image {
    transform: scale(1.05);
}

.member-name {
    font-size: 1.2rem;
    color: #212121;
    margin: 1rem 1rem 0.5rem;
    font-weight: 700;
}

.member-role {
    font-size: 0.9rem;
    color: #d32f2f;
    margin: 0 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.member-bio {
    font-size: 0.9rem;
    color: #666666;
    margin: 0.75rem 1rem 1rem;
    line-height: 1.6;
    text-align: center;
}

/* Mission & Vision */
.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.mission-card,
.vision-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #d32f2f;
    transition: all 0.3s ease;
}

.mission-card:hover,
.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(211, 47, 47, 0.2);
}

.mission-card h4,
.vision-card h4 {
    font-size: 1.4rem;
    color: #212121;
    margin-bottom: 1rem;
    font-weight: 700;
    border-bottom: 2px solid #ffeb3b;
    padding-bottom: 0.75rem;
}

.mission-card p,
.vision-card p {
    font-size: 1rem;
    color: #424242;
    line-height: 1.8;
    text-align: justify;
}

/* Responsive About Us */
@media (max-width: 768px) {
    #about-us {
        padding-block: 3rem;
    }

    #about-us::before {
        inset: 0.75rem;
    }

    #about-us h2 {
        font-size: 1.85rem;
        margin-bottom: 1.25rem;
    }

    .founder-profile {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .founder-image {
        max-width: 100%;
    }

    #about-us .founder-info h3 {
        font-size: 1.75rem;
        line-height: 1.12;
    }

    #about-us .founder-title {
        font-size: 0.92rem;
        padding: 0.5rem 0.7rem;
    }

    #about-us .founder-section {
        padding: 1.5rem;
        box-shadow: 0 14px 30px rgba(23, 23, 23, 0.12);
    }

    #about-us .founder-section::after {
        inset: 9px;
    }

    #about-us .founder-bio {
        font-size: 0.98rem;
        line-height: 1.7;
        text-align: left;
    }

    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }

    .member-image {
        height: 200px;
    }

    .team-section h3 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .mission-vision {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .founder-social-link {
        width: 48px;
        height: 48px;
    }

    .founder-social-link svg {
        width: 24px;
        height: 24px;
    }

    #about-us .founder-info h3 {
        font-size: 1.4rem;
    }

    #about-us .founder-title {
        font-size: 0.86rem;
    }

    #about-us .founder-bio {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .member-image {
        height: 180px;
    }

    .mission-card,
    .vision-card {
        padding: 1.5rem;
    }

    .mission-card h4,
    .vision-card h4 {
        font-size: 1.2rem;
    }
}

/* Advanced Footer - Red Black White Theme */
.footer {
    background: linear-gradient(135deg, #212121 0%, #000000 100%);
    color: #ffffff;
    margin-top: 4rem;
    border-top: 3px solid #d32f2f;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

/* Footer Top - Logo and Description */
.footer-top {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.footer-logo {
    height: 60px;
    width: 60px;
    border-radius: 50%;
    border: 3px solid #d32f2f;
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
    object-fit: cover;
    transition: all 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 6px 16px rgba(211, 47, 47, 0.5);
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffeb3b;
    letter-spacing: 1px;
    margin: 0;
    transition: all 0.3s ease;
}

.footer-brand:hover {
    color: #d32f2f;
}

.footer-description {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #cccccc;
}

/* Footer Middle - Links */
.footer-middle {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-column h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #ffeb3b;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-left: 3px solid #d32f2f;
    padding-left: 0.75rem;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: #cccccc;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-column ul li a:hover {
    color: #ffeb3b;
    transform: translateX(5px);
    padding-left: 5px;
}

/* Footer Social Links */
.footer-social {
    padding: 2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social h3 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #ffeb3b;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-left: 3px solid #d32f2f;
    padding-left: 0.75rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(211, 47, 47, 0.2);
    color: #ffffff;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.15);
    background: #d32f2f;
    border-color: #ffeb3b;
    box-shadow: 0 6px 16px rgba(211, 47, 47, 0.4);
}

.social-link.facebook:hover {
    background: linear-gradient(135deg, #1877f2 0%, #0a66c2 100%);
}

.social-link.twitter:hover {
    background: linear-gradient(135deg, #1da1f2 0%, #1a8917 100%);
}

.social-link.instagram:hover {
    background: linear-gradient(135deg, #e4405f 0%, #833ab4 100%);
}

.social-link.youtube:hover {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
}

/* Footer Bottom - Copyright */
.footer-bottom {
    background: rgba(0, 0, 0, 0.5);
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(211, 47, 47, 0.5);
}

.footer-bottom-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright p {
    margin: 0;
    font-size: 0.9rem;
    color: #aaaaaa;
}

.footer-created-by {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #ffeb3b;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.footer-created-by strong {
    color: #d32f2f;
    font-weight: 700;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a {
    color: #cccccc;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #ffeb3b;
}

.separator {
    color: #666666;
}

/* Advanced Mobile Responsive Design */
@media (max-width: 768px) {
    /* Navigation Mobile */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        border-top: 3px solid #000000;
        display: none;
        z-index: 999;
        max-height: 60vh;
        overflow-y: auto;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        padding: 1rem;
        font-size: 1rem;
        display: block;
        width: 100%;
        border-radius: 0;
        min-height: 48px; /* Touch-friendly */
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-menu a:hover {
        background-color: rgba(0, 0, 0, 0.2);
        color: #ffeb3b;
    }

    .nav-container {
        padding: 0.5rem 1rem;
        position: relative;
    }

    .logo {
        font-size: 1.5rem;
        margin: 0;
    }

    /* Main content mobile */
    main {
        margin-top: 80px;
    }

    section {
        padding: 2rem 1rem;
        min-height: auto;
        width: 100%;
    }

    section h2 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    section p {
        font-size: 1rem;
        max-width: 100%;
    }

    /* School selection mobile */
    .school-selection {
        padding: 1.5rem 1rem;
        margin-bottom: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }

    .school-selection label {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .school-selection select {
        width: 100%;
        padding: 0.75rem;
        font-size: 1rem;
        min-height: 48px; /* Touch-friendly */
    }

    #sheet-iframe {
        height: 300px;
        margin-top: 1.5rem;
        width: 100%;
    }

    /* Notification mobile */
    .notification {
        padding: 1.5rem 1rem;
        margin-top: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }

    .notification h3 {
        font-size: 1.3rem;
        margin-bottom: 0.75rem;
    }

    .notification label {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .notification select {
        width: 100%;
        padding: 0.75rem;
        font-size: 1rem;
        min-height: 48px;
    }

    #notification-iframe {
        height: 250px;
        margin-top: 1.5rem;
        width: 100%;
    }

    /* Fee payment mobile */
    .fee-payment {
        padding: 2rem 1rem;
        margin-top: 2rem;
        gap: 1rem;
        width: 100%;
        box-sizing: border-box;
    }

    .fee-payment label {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .fee-payment select,
    .fee-payment input,
    #amount-display {
        width: 100%;
        min-width: auto;
        padding: 0.75rem;
        font-size: 1rem;
        min-height: 48px;
    }

    .previous-payment-grid {
        grid-template-columns: 1fr;
    }

    .previous-payment-actions {
        flex-direction: column;
    }

    .previous-payment-button,
    #pay-button {
        width: 100%;
        padding: 1rem;
        font-size: 1.1rem;
        min-height: 48px;
    }

    /* Book store mobile */
    #bookstore-container,
    #bookstore-content {
        padding: 0 0.5rem;
        margin-top: 1.5rem;
        width: 100%;
        box-sizing: border-box;
    }

    .bookstore-search-container {
        flex-direction: column;
        gap: 0.75rem;
    }

    .bookstore-search-input,
    .bookstore-search-btn,
    .bookstore-clear-btn {
        width: 100%;
    }

    .bookstore-books-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 0.8rem;
    }

    .bookstore-card {
        padding: 0.5rem;
    }

    .bookstore-card-image {
        height: 140px;
        margin-bottom: 0.3rem;
    }

    .bookstore-card-title {
        font-size: 0.85rem;
    }

    .bookstore-card-buttons {
        gap: 0.3rem;
    }

    .bookstore-show-more-btn {
        width: 100%;
    }

    .buy-btn,
    .copy-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        width: 100%;
        margin: 0.2rem 0;
        min-height: 36px;
    }

    /* Footer Mobile */
    .nav-logo-section {
        gap: 0.5rem;
    }

    .nav-logo {
        height: 40px;
    }

    .footer-container {
        padding: 2rem 1rem;
        gap: 2rem;
    }

    .footer-top {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-logo-section {
        justify-content: center;
        flex-direction: column;
    }

    .footer-logo {
        height: 50px;
        width: 50px;
    }

    .footer-brand {
        font-size: 1.1rem;
    }

    .footer-middle {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-column h3 {
        text-align: center;
        border-left: none;
        border-bottom: 2px solid #d32f2f;
        padding: 0.75rem 0;
    }

    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    /* Extra small screens */
    .nav-container {
        padding: 0.5rem;
    }

    .nav-menu {
        padding: 0.5rem 0;
        max-height: 50vh;
    }

    .nav-menu a {
        padding: 0.8rem;
        font-size: 0.9rem;
        min-height: 44px;
    }

    section {
        padding: 1.5rem 0.5rem;
        width: 100%;
    }

    section h2 {
        font-size: 1.8rem;
    }

    .school-selection,
    .fee-payment,
    .notification {
        padding: 1rem 0.5rem;
        width: 100%;
    }

    .school-selection label,
    .fee-payment label,
    .notification label {
        font-size: 0.9rem;
    }

    .school-selection select,
    .fee-payment select,
    .fee-payment input,
    .notification select,
    #amount-display {
        padding: 0.6rem;
        font-size: 0.9rem;
        min-height: 44px;
    }

    .previous-payment-button,
    #pay-button {
        padding: 0.8rem;
        font-size: 1rem;
        min-height: 44px;
    }

    #sheet-iframe,
    #notification-iframe {
        height: 200px;
    }

    #books-table {
        font-size: 0.7rem;
        min-width: 400px;
    }

    #books-table th,
    #books-table td {
        padding: 0.3rem;
    }

    #books-table td img {
        max-width: 50px;
    }

    /* Footer Extra Small */
    .nav-logo-section {
        gap: 0.3rem;
    }

    .nav-logo {
        height: 35px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .footer-container {
        padding: 1.5rem 0.75rem;
    }

    .footer-logo {
        height: 40px;
        width: 40px;
    }

    .footer-brand {
        font-size: 1rem;
        letter-spacing: 0.5px;
    }

    .footer-description {
        font-size: 0.85rem;
    }

    .footer-column h3 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .footer-column ul li a {
        font-size: 0.85rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
    }

    .social-link svg {
        width: 20px;
        height: 20px;
    }

    .footer-copyright p {
        font-size: 0.8rem;
    }

    .footer-created-by {
        font-size: 0.75rem;
    }

    .footer-links a {
        font-size: 0.8rem;
    }
}

/* Image Slideshow - Red Black White Theme */
.image-slideshow-section {
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    box-sizing: border-box;
}

.image-slideshow-section h3 {
    font-size: 1.8rem;
    color: #212121;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 700;
}

.slideshow-container {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    padding: 2rem;
    border: 2px solid #d32f2f;
}

.slideshow-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #f5f5f5 0%, #eeeeee 100%);
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
}

.slideshow-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000000;
    display: block;
}

.slideshow-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    border: none;
    padding: 1rem 1.2rem;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    z-index: 10;
    font-weight: bold;
}

.slideshow-nav:hover {
    background: #d32f2f;
    transform: translateY(-50%) scale(1.1);
}

.slideshow-prev {
    left: 1rem;
}

.slideshow-next {
    right: 1rem;
}

.slideshow-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.slideshow-counter {
    font-size: 1.1rem;
    font-weight: 600;
    color: #212121;
    text-align: center;
}

.slideshow-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
    gap: 0.75rem;
    max-width: 720px;
    margin: 1.25rem auto 0;
}

.slideshow-thumbnail {
    aspect-ratio: 1 / 1;
    border: 2px solid #dddddd;
    border-radius: 8px;
    padding: 0;
    background: #111111;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.slideshow-thumbnail:hover,
.slideshow-thumbnail.is-active {
    border-color: #d32f2f;
    transform: translateY(-2px);
}

.slideshow-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slideshow-loading,
.slideshow-error {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.slideshow-loading {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1565c0;
    border: 2px solid #1976d2;
}

.slideshow-error {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    color: #c62828;
    border: 2px solid #d32f2f;
}

/* Responsive Slideshow */
@media (max-width: 768px) {
    .image-slideshow-section {
        padding: 0 1rem;
    }

    .slideshow-container {
        padding: 1rem;
    }

    .slideshow-nav {
        padding: 0.8rem 1rem;
        font-size: 1.2rem;
    }

    .slideshow-controls {
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .slideshow-counter {
        font-size: 1rem;
    }

    .slideshow-thumbnails {
        grid-template-columns: repeat(auto-fit, minmax(58px, 1fr));
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .slideshow-wrapper {
        margin: 0 auto 1rem;
        max-width: 400px;
    }

    .slideshow-nav {
        padding: 0.6rem 0.8rem;
        font-size: 1rem;
    }

    .slideshow-nav.slideshow-prev {
        left: 0.5rem;
    }

    .slideshow-nav.slideshow-next {
        right: 0.5rem;
    }

    .slideshow-controls {
        gap: 0.5rem;
        margin-top: 1rem;
        font-size: 0.9rem;
    }

    .image-slideshow-section h3 {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }

    .bookstore-books-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 0.6rem;
    }

    .bookstore-card {
        padding: 0.4rem;
    }

    .bookstore-card-image {
        height: 110px;
        margin-bottom: 0.25rem;
    }

    .bookstore-card-title {
        font-size: 0.75rem;
    }

    .bookstore-card-description {
        -webkit-line-clamp: 1;
    }

    .bookstore-card-buttons {
        gap: 0.25rem;
    }
}

/* Touch-friendly interactions */
@media (hover: none) and (pointer: coarse) {
    .nav-menu a:hover {
        background-color: transparent;
        transform: none;
    }

    .nav-menu a:active {
        background-color: rgba(0, 0, 0, 0.2);
        transform: scale(0.98);
    }

    #pay-button:hover,
    .buy-btn:hover,
    .copy-btn:hover,
    .school-selection select:hover,
    .fee-payment select:hover,
    .fee-payment input:hover,
    .notification select:hover {
        transform: none;
        border-color: #d32f2f;
    }

    #pay-button:active,
    .buy-btn:active,
    .copy-btn:active,
    .school-selection select:active,
    .fee-payment select:active,
    .fee-payment input:active,
    .notification select:active {
        transform: scale(0.98);
        border-color: #b71c1c;
    }

    .school-selection:hover,
    .fee-payment:hover,
    .notification:hover {
        transform: none;
    }

    .school-selection:active,
    .fee-payment:active,
    .notification:active {
        transform: scale(0.98);
    }

    /* Ensure minimum touch targets */
    .nav-toggle,
    .nav-menu a,
    select,
    button,
    #amount-display {
        min-height: 44px;
        min-width: 44px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    header {
        background: #000000;
        border-bottom: 3px solid #ffffff;
    }

    .logo,
    .nav-menu a {
        color: #ffffff;
    }

    section h2 {
        color: #ffffff;
        text-shadow: none;
    }

    .school-selection,
    .fee-payment,
    #books-table {
        border: 2px solid #ffffff;
        background: #000000;
        color: #ffffff;
    }

    .school-selection label,
    .fee-payment label {
        color: #ffffff;
    }

    select,
    #amount-display {
        background: #ffffff;
        color: #000000;
        border: 2px solid #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Print styles */
@media print {
    header {
        position: static;
        background: #ffffff;
        color: #000000;
        box-shadow: none;
        border: none;
    }

    .logo,
    .nav-menu a {
        color: #000000;
    }

    .nav-menu {
        display: block;
    }

    .nav-menu li {
        display: inline-block;
        margin-right: 1rem;
    }

    section {
        page-break-inside: avoid;
        min-height: auto;
    }

    .school-selection,
    .fee-payment {
        box-shadow: none;
        border: 1px solid #000000;
    }

    #books-table {
        box-shadow: none;
        border: 1px solid #000000;
    }

    .buy-btn,
    .copy-btn,
    #pay-button {
        background: #ffffff;
        color: #000000;
        border: 1px solid #000000;
        box-shadow: none;
    }

    iframe {
        display: none;
    }
}

/* School page mobile polish */
.school-page {
    --school-mobile-gutter: clamp(12px, 4vw, 18px);
    --school-mobile-card-pad: clamp(14px, 4vw, 20px);
}

.school-page header {
    left: 0;
    right: 0;
}

.school-page .nav-logo-section,
.school-page .logo,
.school-page .nav-menu,
.school-page main,
.school-page section,
.school-page .notification,
.school-page .school-selection,
.school-page .fee-payment,
.school-page .ranker-filter,
.school-page .image-slideshow-section,
.school-page .slideshow-container,
.school-page .founder-section,
.school-page .footer {
    min-width: 0;
}

.school-page .nav-logo-section {
    flex: 1 1 auto;
}

.school-page .logo {
    overflow-wrap: anywhere;
    line-height: 1.12;
    letter-spacing: 0;
}

.school-page .nav-toggle {
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.32);
    background: rgba(0, 0, 0, 0.14);
}

.school-page .nav-toggle span {
    flex: 0 0 auto;
}

.school-page main > section {
    width: 100%;
    max-width: none;
}

.school-page #fee > h3 {
    width: 100%;
    color: #d32f2f;
    font-size: clamp(1.75rem, 7vw, 2.35rem);
    line-height: 1.12;
    text-align: center;
}

.school-page #fee > h3::after {
    content: "";
    display: block;
    width: clamp(58px, 18vw, 80px);
    height: 4px;
    margin: 12px auto 0;
    border-radius: 999px;
    background: linear-gradient(90deg, #d32f2f 0%, #000000 50%, #d32f2f 100%);
}

.school-page .notification,
.school-page .school-selection,
.school-page .fee-payment,
.school-page .ranker-filter,
.school-page .image-slideshow-section,
.school-page .founder-section {
    width: min(100%, 760px);
    margin-inline: auto !important;
}

.school-page .notification select,
.school-page .school-selection select,
.school-page .fee-payment select,
.school-page .fee-payment input,
.school-page .ranker-filter select,
.school-page #amount-display {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    font-size: 16px;
}

.school-page .data-table-wrap,
.school-page .notification-table-wrap,
.school-page .previous-payment-table-wrap,
.school-page .admin-student-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.school-page .data-empty,
.school-page .data-error,
.school-page .school-empty,
.school-page .notification-empty,
.school-page .notification-error {
    margin-top: clamp(12px, 3vw, 18px);
}

.school-page .slideshow-nav {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    line-height: 1;
}

.school-page .footer-bottom-container,
.school-page .footer-links {
    min-width: 0;
}

@media (max-width: 900px) {
    .school-page,
    .school-page main {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
    }

    .school-page header {
        position: sticky;
    }

    .school-page main {
        margin-top: 0 !important;
    }

    .school-page .nav-container {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 44px;
        gap: 10px;
        align-items: center;
        width: 100%;
        padding: 0.55rem var(--school-mobile-gutter) !important;
    }

    .school-page .nav-logo-section {
        gap: 10px;
        min-width: 0;
        padding-right: 56px;
    }

    .school-page .nav-logo {
        width: 42px !important;
        height: 42px !important;
        flex: 0 0 42px;
    }

    .school-page .logo {
        font-size: clamp(1rem, 4vw, 1.25rem) !important;
        max-width: 100%;
    }

    .school-page .nav-toggle {
        position: absolute !important;
        top: 0.55rem;
        right: var(--school-mobile-gutter);
        z-index: 3;
        display: inline-grid !important;
        grid-column: auto;
        grid-row: auto;
    }

    .school-page .nav-toggle::before {
        content: "\2630";
        color: #ffffff;
        font-size: 1.35rem;
        font-weight: 900;
        line-height: 1;
    }

    .school-page .nav-toggle.active::before {
        content: "\00d7";
        font-size: 1.7rem;
    }

    .school-page .nav-toggle span {
        display: none !important;
    }

    .school-page .nav-menu {
        grid-column: 1 / -1;
        position: static !important;
        width: 100%;
        max-height: none !important;
        display: none !important;
        padding: 6px 0 2px !important;
        border-top: 1px solid rgba(255, 255, 255, 0.22) !important;
        box-shadow: none !important;
        background: transparent !important;
    }

    .school-page .nav-menu.active {
        display: grid !important;
        gap: 6px;
    }

    .school-page .nav-menu li {
        border: 0;
    }

    .school-page .nav-menu a {
        min-height: 44px;
        border-radius: 8px;
        background: rgba(0, 0, 0, 0.14);
        padding: 0.75rem !important;
    }

    .school-page main > section {
        align-items: stretch;
        justify-content: flex-start;
        min-height: auto !important;
        max-width: 100vw !important;
        overflow: hidden;
        padding: clamp(20px, 5.5vw, 32px) var(--school-mobile-gutter) !important;
    }

    .school-page section h2,
    .school-page #fee > h3 {
        margin-bottom: 12px !important;
        padding-bottom: 10px;
    }

    .school-page .notification,
    .school-page .school-selection,
    .school-page .fee-payment,
    .school-page .ranker-filter,
    .school-page .founder-section,
    .school-page .slideshow-container {
        width: 100% !important;
        max-width: calc(100vw - (2 * var(--school-mobile-gutter))) !important;
        padding: var(--school-mobile-card-pad) !important;
        margin-top: clamp(12px, 3vw, 18px) !important;
        margin-bottom: clamp(12px, 3vw, 18px) !important;
        border-radius: 10px;
    }

    .school-page .image-slideshow-section {
        width: 100% !important;
        max-width: calc(100vw - (2 * var(--school-mobile-gutter))) !important;
        padding: 0 !important;
        margin-top: clamp(12px, 3vw, 18px) !important;
        margin-bottom: 0 !important;
    }

    .school-page .image-slideshow-section h3,
    .school-page .notification h3 {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
        margin-bottom: 12px !important;
    }

    .school-page .slideshow-wrapper {
        width: 100%;
        max-width: 100%;
        margin-bottom: 12px;
    }

    .school-page .slideshow-thumbnails {
        grid-template-columns: repeat(auto-fit, minmax(54px, 1fr));
        gap: 8px;
        margin-top: 12px;
    }

    .school-page .ranker-results,
    .school-page .school-results,
    .school-page .notification-results {
        margin-top: clamp(12px, 3vw, 18px);
    }

    .school-page .footer {
        margin-top: 0 !important;
    }

    .school-page .footer-container,
    .school-page .footer-bottom {
        padding-inline: var(--school-mobile-gutter) !important;
    }
}

@media (max-width: 520px) {
    .school-page {
        --school-mobile-gutter: 12px;
        --school-mobile-card-pad: 14px;
    }

    .school-page .nav-container {
        grid-template-columns: minmax(0, 1fr) 42px;
    }

    .school-page .nav-logo {
        width: 38px !important;
        height: 38px !important;
        flex-basis: 38px;
    }

    .school-page .nav-logo-section .logo {
        font-size: 0 !important;
    }

    .school-page .nav-logo-section .logo::before {
        content: "PRAYAS";
        display: block;
        color: #ffffff;
        font-size: clamp(1rem, 5vw, 1.14rem);
        font-weight: 800;
        line-height: 1;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.45);
    }

    .school-page main > section {
        padding: 18px var(--school-mobile-gutter) !important;
    }

    .school-page section h2,
    .school-page #fee > h3 {
        font-size: clamp(1.55rem, 8vw, 1.9rem) !important;
    }

    .school-page section p {
        font-size: 0.98rem;
        line-height: 1.55;
    }

    .school-page .notification,
    .school-page .school-selection,
    .school-page .fee-payment,
    .school-page .ranker-filter,
    .school-page .founder-section,
    .school-page .slideshow-container {
        padding: var(--school-mobile-card-pad) !important;
    }

    .school-page .fee-payment {
        gap: 10px !important;
    }

    .school-page .previous-payment-grid {
        grid-template-columns: 1fr;
    }

    .school-page .data-table,
    .school-page .notification-table {
        min-width: 520px;
    }

    .school-page .admin-student-table {
        min-width: 860px;
    }

    .school-page .slideshow-nav {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .school-page .slideshow-prev {
        left: 8px;
    }

    .school-page .slideshow-next {
        right: 8px;
    }

    .school-page .footer-links {
        display: grid;
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 8px !important;
    }

    .school-page .footer-links .separator {
        display: none;
    }
}

@media (max-width: 520px) {
    .school-page #about-us h2 {
        font-size: 1.65rem !important;
    }

    .school-page #about-us .founder-info h3 {
        font-size: 1.4rem;
    }

    .school-page #about-us .founder-bio {
        line-height: 1.65;
    }
}

@media (max-width: 360px) {
    .school-page .nav-logo-section {
        gap: 8px;
    }

    .school-page .nav-logo-section .logo {
        font-size: 0 !important;
    }

    .school-page .nav-logo-section .logo::before {
        font-size: 0.98rem;
    }

    .school-page .nav-toggle {
        width: 40px;
        height: 40px;
    }

    .school-page main > section {
        padding-inline: 10px !important;
    }

    .school-page .notification,
    .school-page .school-selection,
    .school-page .fee-payment,
    .school-page .ranker-filter,
    .school-page .founder-section,
    .school-page .slideshow-container {
        padding: 12px !important;
    }

    .school-page #about-us .founder-info h3 {
        font-size: 1.22rem;
    }
}