/**
 * Shared page patterns — aligned to Kanchi Institutional tokens
 */
:root {
    --card-bg: var(--bg-surface);
    --bg: var(--bg-page-solid);
    --primary-light: var(--primary-hover);
    --shadow-lg: var(--shadow-md);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    min-height: 44px;
    box-sizing: border-box;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

/* Checkboxes and radios must keep their intrinsic size. The full-width field
 * styling above otherwise turns them into large empty boxes that push the
 * adjacent label text outside its container. */
.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: 1.15rem;
    height: 1.15rem;
    min-width: 1.15rem;
    min-height: 0;
    flex: 0 0 auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    accent-color: var(--primary);
}

.form-group input[type="checkbox"]:focus,
.form-group input[type="radio"]:focus {
    box-shadow: none;
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.filter-bar {
    background: var(--bg-surface);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    border: 1px solid var(--border);
}

.filter-bar input,
.filter-bar select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    background: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-muted);
    border-color: var(--border-strong);
    color: var(--text);
}

.btn-warning {
    background: var(--warning);
    color: #fff;
}

.btn-warning:hover:not(:disabled) {
    filter: brightness(1.05);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.35rem;
}

/* Stats (finance dashboard) */
.stats-grid {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    animation: cardFadeIn 0.35s ease both;
}

.stat-card:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-md);
}

.stat-card-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.stat-card-icon.warning { background: var(--warning-bg); color: var(--warning); }
.stat-card-icon.success { background: var(--success-bg); color: var(--success); }
.stat-card-icon.info { background: var(--info-bg); color: var(--info); }
.stat-card-icon.primary { background: var(--primary-subtle); color: var(--primary); }

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.stat-sub {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.stat-success .stat-value { color: var(--success); }
.stat-info .stat-value { color: var(--accent); }
.stat-warning .stat-value { color: var(--warning); }

/* Action grid */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 0.85rem;
}

.action-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1.15rem;
    background: var(--bg-surface);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: border-color var(--transition), box-shadow var(--transition), color var(--transition), transform 0.15s ease;
    min-height: 88px;
}

.action-card i {
    font-size: 1.25rem;
    color: var(--primary);
}

.action-card:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-md);
    color: var(--primary);
    text-decoration: none;
    transform: translateY(-2px);
}

.action-warning {
    border-color: var(--warning-border);
}

.action-warning i { color: var(--warning); }

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-surface);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2,
.card-header h3 {
    margin: 0;
    font-family: var(--font-display);
}

.card-highlight {
    border-left: 4px solid var(--accent);
}

.card h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 0.75rem;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.amount {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.badge-pending { background: var(--warning-bg); color: var(--warning); border: none; }
.badge-paid { background: var(--success-bg); color: var(--success); border: none; }
.badge-scheduled { background: var(--info-bg); color: var(--info); border: none; }

.text-muted { color: var(--text-muted); }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }

/* Student profile card */
.student-profile-card {
    border-left: 4px solid var(--primary);
    background: linear-gradient(135deg, var(--primary-subtle) 0%, var(--bg-surface) 65%);
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: 1.25rem;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.payment-box {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.payment-box:hover {
    box-shadow: var(--shadow);
}

.payment-box h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
    color: var(--text);
}

.payment-box p {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.payment-box-primary {
    border-color: var(--primary-border);
    border-left: 4px solid var(--primary);
}

.payment-links {
    margin-top: 0.85rem;
    font-size: 0.875rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.payment-links a {
    color: var(--primary);
    font-weight: 500;
}

.payment-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

/* BBPS — GPay / PhonePe brand colors preserved */
.bbps-app-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0;
}

.bbps-app-buttons--compact {
    margin: 0.5rem 0 0.25rem;
}

.btn-gpay {
    background: #1a73e8;
    border-color: #1a73e8;
    color: #fff;
}

.btn-gpay:hover,
.btn-gpay:focus {
    background: #1557b0;
    border-color: #1557b0;
    color: #fff;
}

.btn-phonepe {
    background: #5f259f;
    border-color: #5f259f;
    color: #fff;
}

.btn-phonepe:hover,
.btn-phonepe:focus {
    background: #4a1d7c;
    border-color: #4a1d7c;
    color: #fff;
}

.bbps-pay-card .bbps-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: 1rem;
    margin: 1.25rem 0;
    padding: 1rem;
    background: var(--bg-muted);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.bbps-detail strong {
    display: block;
    margin-top: 0.2rem;
    font-size: 1.05rem;
}

.bbps-institution {
    font-size: 0.9rem !important;
    line-height: 1.35;
}

.bbps-copy-btn {
    margin-top: 0.35rem;
}

.bbps-mobile-hint {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.bbps-desktop-hint {
    font-size: 0.85rem;
    margin-top: 0.75rem;
    line-height: 1.5;
}

.bbps-store-links {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
}

.bbps-instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.bbps-steps {
    margin: 0 0 1rem;
    padding-left: 1.25rem;
    font-size: 0.9rem;
    line-height: 1.55;
}

.bbps-steps li + li {
    margin-top: 0.35rem;
}

.bbps-back-link {
    margin-top: 1rem;
    font-size: 0.9rem;
}

/* Offline payment proof */
.payment-box-offline {
    border-color: var(--warning-border);
    border-left: 4px solid var(--warning);
}

.btn-offline {
    background: var(--accent-light);
    border: 1px solid var(--accent);
    color: var(--accent-hover);
    font-weight: 600;
}

.btn-offline:hover,
.btn-offline:focus {
    background: #f0e4cc;
    border-color: var(--accent-hover);
    color: #6b4f1a;
}

.offline-modes-compact {
    font-size: 0.85rem;
    margin: 0.35rem 0 0.75rem;
}

.offline-pay-card .offline-intro {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.offline-modes {
    font-size: 0.875rem;
    line-height: 1.5;
}

.offline-fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem 1.25rem;
    margin: 0 0 1.25rem;
}

.offline-fieldset legend {
    font-weight: 600;
    padding: 0 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.offline-fieldset .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 0.8rem;
}

.offline-fieldset .field-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0 0 0.75rem;
}

.offline-scope-toggle {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.scope-option {
    display: block;
    padding: 0.85rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.scope-option.is-active {
    border-color: var(--accent);
    background: var(--accent-light);
}

.scope-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.scope-title {
    display: block;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.scope-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.offline-fee-table .col-check {
    width: 3rem;
}

.offline-fee-table .fine-cell {
    min-width: 9.5rem;
}

.offline-fee-table .fine-include-label {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
    margin: 0;
    cursor: pointer;
    font-weight: 500;
}

.offline-fee-table .fine-include-label input[disabled] {
    cursor: not-allowed;
}

.offline-fee-table .fine-amount {
    color: #b45309;
    font-variant-numeric: tabular-nums;
}

.offline-fee-table .fine-meta {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-muted);
}

.offline-fee-table tr.is-selected {
    background: var(--accent-light, #f0f7f4);
}

.offline-fee-table .total-breakdown {
    display: block;
    margin-top: 0.2rem;
    font-weight: 400;
}

.btn-xs {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}

.receipt-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.receipt-list li {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
}

.receipt-list li:last-child { border-bottom: none; }

.receipt-list a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 500;
}

.container.narrow {
    max-width: 720px;
    margin: 0 auto;
}

.login-container {
    max-width: 480px;
    margin: 2rem auto;
}

.nav-item-static {
    cursor: default;
    background: transparent !important;
}

@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .action-grid { grid-template-columns: repeat(2, 1fr); }
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .form-actions .btn {
        width: 100%;
        min-height: 48px;
        justify-content: center;
    }
    .btn-sm {
        min-height: 44px;
        padding: 0.55rem 0.9rem;
    }
    .offline-scope-toggle {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .action-grid { grid-template-columns: 1fr; }
}