/* Public Speaking Assessment System - V2 Styles */
/* Role-based theming with Inter typography */

:root {
    /* Base Colors */
    --bg-body: #F8FAFC; /* Slate 50 */
    --bg-surface: #FFFFFF;

    /* Text Colors */
    --text-main: #0F172A; /* Slate 900 */
    --text-muted: #64748B; /* Slate 500 */

    /* Default Brand Colors (overridden by role in layout) */
    --brand-primary: #0D9488; /* Teal 600 */
    --brand-primary-rgb: 13, 148, 136;
    --brand-dark: #115E59;    /* Teal 800 */
    --brand-dark-rgb: 17, 94, 89;
    --brand-light: #F0FDFA;   /* Teal 50 */
    --brand-accent: #14B8A6;  /* Teal 500 */

    /* Status Colors */
    --status-success: #10B981;
    --status-warning: #F59E0B;
    --status-danger: #EF4444;

    /* UI Elements */
    --border-color: #E2E8F0; /* Slate 200 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);

    /* Spacing */
    --nav-height: 64px;
}

/* Base Body */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--brand-light);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease;
}

/* Navbar */
.navbar {
    background-color: var(--brand-primary);
    min-height: var(--nav-height);
    box-shadow: var(--shadow-md);
    padding: 0;
    transition: background-color 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: white !important;
    display: flex;
    align-items: center;
}

.navbar-brand i {
    margin-right: 0.75rem;
}

.navbar-logo {
    width: 2.5rem;
    height: 2rem;
}

.navbar-brand-text {
    display: inline-flex;
    flex-direction: column;
    line-height: 1.2;
}

.navbar-brand-subtitle {
    font-size: 0.65rem;
    font-weight: 400;
    opacity: 0.75;
    display: block;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.navbar .nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    transition: color 0.2s, background-color 0.2s;
    border-radius: 6px;
}

.navbar .nav-link:hover, .navbar .nav-link.active,
.navbar .nav-link:focus, .navbar .nav-link:active {
    color: white !important;
    background-color: rgba(255,255,255,0.1);
}

.navbar .nav-link:focus-visible {
    outline: none;
    box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.5);
}

/* Nav tabs styling (non-navbar) */
.nav-tabs .nav-link {
    color: #6B7280;
    font-weight: 500;
}

.nav-tabs .nav-link:hover {
    color: var(--brand-primary);
}

.nav-tabs .nav-link.active {
    color: var(--brand-dark);
    font-weight: 600;
}

.navbar-toggler {
    border-color: rgba(255,255,255,0.5);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.5);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Dropdown menu styling */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--brand-light);
    color: var(--brand-primary);
}

.dropdown-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.5);
}

/* Main Container */
.main-container {
    min-height: calc(100vh - var(--nav-height) - 60px);
    background-color: var(--brand-light);
}

/* Footer */
.footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
    color: var(--text-muted);
}

.footer-institution-name {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
}

/* Cards */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-interactive:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    border-left: 4px solid var(--brand-primary);
    transition: border-color 0.3s ease;
}

@media (max-width: 575.98px) {
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }
}

/* Page header component */
.page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

@media (max-width: 767.98px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

.card-body {
    padding: 1.5rem;
}

/* Stat Cards */
.stat-card {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background-color: var(--brand-light);
    color: var(--brand-primary);
    transition: all 0.3s ease;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    margin-top: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    transition: background-color 0.3s ease, border-color 0.3s ease !important;
}

.btn-primary:hover {
    background-color: var(--brand-dark) !important;
    border-color: var(--brand-dark) !important;
}

.btn-primary:active,
.btn-primary.active,
.btn-primary:focus,
.btn-primary:not(:disabled):not(.disabled):active,
.btn-primary:not(:disabled):not(.disabled).active,
.btn-primary:not(:disabled):not(.disabled):focus {
    background-color: var(--brand-dark) !important;
    border-color: var(--brand-dark) !important;
    box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.5) !important;
}

.btn-outline-primary {
    color: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
}

.btn-outline-primary:hover {
    background-color: var(--brand-primary) !important;
    color: white !important;
    border-color: var(--brand-primary);
    color: white;
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-muted);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-body);
    color: var(--text-main);
    border-color: var(--text-muted);
}

/* Tables */
.table-responsive {
    border-radius: 0 0 12px 12px;
}

.table {
    margin-bottom: 0;
    width: 100%;
}

.table th {
    background-color: #F8FAFC;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    border-top: none;
}

.table td {
    padding: 1rem 1.5rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.95rem;
}

.table tr:last-child td {
    border-bottom: none;
}

.table-hover tbody tr:hover {
    background-color: var(--brand-light);
}

/* Badges */
.badge {
    padding: 0.35em 0.65em;
    font-weight: 500;
    border-radius: 6px;
}

/* Soft badge variants - with !important to override Bootstrap nav-link inheritance */
.badge.bg-success-soft { background-color: #DCFCE7 !important; color: #166534 !important; }
.badge.bg-warning-soft { background-color: #FEF3C7 !important; color: #92400E !important; }
.badge.bg-danger-soft { background-color: #FEE2E2 !important; color: #991B1B !important; }
.badge.bg-info-soft { background-color: #E0F2FE !important; color: #075985 !important; }
.badge.bg-primary-soft { background-color: var(--brand-light) !important; color: var(--brand-dark) !important; }
.badge.bg-secondary-soft { background-color: #F3F4F6 !important; color: #4B5563 !important; }
.nav-link .badge.bg-success-soft,
.nav-tabs .nav-link .badge.bg-success-soft,
.nav-tabs .nav-link.active .badge.bg-success-soft { color: #166534 !important; }
.nav-link .badge.bg-warning-soft,
.nav-tabs .nav-link .badge.bg-warning-soft,
.nav-tabs .nav-link.active .badge.bg-warning-soft { color: #92400E !important; }
.nav-link .badge.bg-danger-soft,
.nav-tabs .nav-link .badge.bg-danger-soft,
.nav-tabs .nav-link.active .badge.bg-danger-soft { color: #991B1B !important; }
.nav-link .badge.bg-info-soft,
.nav-tabs .nav-link .badge.bg-info-soft,
.nav-tabs .nav-link.active .badge.bg-info-soft { color: #075985 !important; }
.nav-link .badge.bg-primary-soft,
.nav-tabs .nav-link .badge.bg-primary-soft,
.nav-tabs .nav-link.active .badge.bg-primary-soft { color: var(--brand-dark) !important; }
.nav-link .badge.bg-secondary-soft,
.nav-tabs .nav-link .badge.bg-secondary-soft,
.nav-tabs .nav-link.active .badge.bg-secondary-soft { color: #4B5563 !important; }

/* Quick Action Grid */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-surface);
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.2s;
    text-align: center;
}

.action-item:hover {
    border-color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    color: var(--text-main);
    text-decoration: none;
}

.action-item i {
    font-size: 1.5rem;
    color: var(--brand-primary);
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.action-item span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Alerts */
.alert {
    border-radius: 8px;
    border: none;
}

.alert-success { background-color: #DCFCE7; color: #166534; }
.alert-warning { background-color: #FEF3C7; color: #92400E; }
.alert-danger { background-color: #FEE2E2; color: #991B1B; }
.alert-info { background-color: #E0F2FE; color: #075985; }

/* Flash Messages */
.flash-message {
    position: fixed;
    top: calc(var(--nav-height) + 20px);
    right: 20px;
    z-index: 1050;
    min-width: 300px;
    max-width: 450px;
}

/* Impersonation Banner */
.impersonation-banner {
    background-color: #FEE2E2;
    color: #991B1B;
    padding: 0.75rem 0;
    text-align: center;
    border-bottom: 1px solid #FECACA;
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border-color: var(--border-color);
    padding: 0.625rem 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

/* List Groups */
.list-group-item {
    border-color: var(--border-color);
    padding: 1rem 1.25rem;
}

.list-group-flush .list-group-item {
    border-left: none;
    border-right: none;
}

/* Avatar utility classes */
.avatar-sm {
    width: 28px;
    height: 28px;
    line-height: 28px;
    font-size: 0.75rem;
}
.avatar-md {
    width: 32px;
    height: 32px;
    line-height: 32px;
    font-size: 0.8rem;
}
.avatar-lg {
    width: 80px;
    height: 80px;
    line-height: 80px;
    font-size: 2rem;
}

/* Modals */
.modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: var(--shadow-md);
}

.modal-header {
    border-bottom-color: var(--border-color);
    padding: 1.25rem 1.5rem;
}

.modal-footer {
    border-top-color: var(--border-color);
    padding: 1rem 1.5rem;
}

/* Ensure modals are visible on mobile */
@media (max-width: 575.98px) {
    .modal-dialog {
        margin: 0.5rem;
        max-height: calc(100vh - 1rem);
    }

    .modal-dialog-centered {
        min-height: calc(100% - 1rem);
    }

    .modal-content {
        max-height: calc(100vh - 1rem);
    }

    .modal-body {
        overflow-y: auto;
    }
}

/* Mobile: Navbar collapsed menu */
@media (max-width: 991.98px) {
    .navbar-collapse {
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
        background-color: var(--brand-primary);
        margin: 0 -0.75rem; /* Extend to container edges */
        padding: 0.5rem 0.75rem;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    /* Larger touch targets for nav links */
    .navbar .nav-link {
        padding: 0.75rem 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Visual separator between nav sections */
    .navbar-nav + .navbar-nav {
        border-top: 1px solid rgba(255,255,255,0.15);
        margin-top: 0.5rem;
        padding-top: 0.5rem;
    }

    /* Dropdown menus inline on mobile - blend with navbar */
    .navbar .dropdown-menu {
        background-color: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
        margin: 0;
    }

    .navbar .dropdown-item {
        color: rgba(255,255,255,0.85);
        padding: 0.75rem 1rem 0.75rem 2.5rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        border-radius: 6px;
    }

    .navbar .dropdown-item:hover,
    .navbar .dropdown-item:focus,
    .navbar .dropdown-item:active {
        background-color: rgba(255,255,255,0.1);
        color: white;
    }

    .navbar .dropdown-item.active {
        background-color: rgba(255,255,255,0.15);
        color: white;
    }

    .navbar .dropdown-item:focus-visible {
        outline: none;
        box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.5);
    }

}

/* Mobile: Modal improvements */
@media (max-width: 767.98px) {
    .modal-lg, .modal-xl {
        --bs-modal-width: calc(100% - 1rem);
    }

    .modal-body {
        max-height: 60vh;
        overflow-y: auto;
    }
}

/* Mobile: Form input touch targets */
@media (max-width: 767.98px) {
    .form-control, .form-select {
        min-height: 44px; /* iOS touch target minimum */
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .form-check-input {
        width: 1.25em;
        height: 1.25em;
    }

    /* Mobile utilities for dense reports/dashboards */
    .mobile-stack {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 0.25rem;
    }

    .mobile-progress-stack {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }

    .mobile-progress-stack .progress {
        width: 100%;
    }

    .mobile-progress-stack .fw-bold {
        text-align: center;
        width: 100% !important;
    }

    .mobile-hide {
        display: none !important;
    }
}

/* Pagination */
.page-link {
    border-radius: 6px;
    margin: 0 2px;
    color: var(--text-main);
    border-color: var(--border-color);
}

.page-link:hover {
    background-color: var(--brand-light);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.page-item.active .page-link {
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}

/* Utility Classes */
.fw-medium { font-weight: 500; }
.text-brand { color: var(--brand-primary); }
.bg-brand { background-color: var(--brand-primary); }
.bg-brand-light { background-color: var(--brand-light); }
.border-brand { border-color: var(--brand-primary) !important; }
.rubric-descriptor-border { border-left-color: var(--bs-primary) !important; }

/* Smooth transitions for theme switching */
.navbar, .btn-primary, .card-header, body, .stat-icon, .action-item i {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Inverted toggle for "disable" switches: unchecked=enabled(green), checked=disabled(red) */
.form-check-input.toggle-disable:not(:checked) {
    background-color: var(--status-success);
    border-color: var(--status-success);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
}
.form-check-input.toggle-disable:checked {
    background-color: var(--status-danger);
    border-color: var(--status-danger);
}

/* ==========================================================================
   Auth Layout (Login/Register pages)
   ========================================================================== */

.auth-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    padding: 1.25rem 1rem;
    background-color: var(--bg-body);
}

.auth-card {
    background: var(--bg-surface);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

.auth-card-header {
    text-align: center;
    margin-bottom: 1.875rem;
}

.auth-card-header i,
.auth-card-header .auth-logo {
    font-size: 3rem;
    color: var(--brand-primary);
    margin-bottom: 0.875rem;
    display: block;
}

.auth-logo {
    width: 10rem;
    height: auto;
    margin: 0 auto 0.5rem;
    display: block;
    transform: translateX(1.25rem);
}

.auth-card-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.auth-card-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.auth-card-header .institution-name {
    overflow-wrap: break-word;
    word-break: break-word;
}

.auth-card .form-control {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-card .form-control:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--brand-primary-rgb), 0.25);
}

.auth-card .btn-primary {
    width: 100%;
    padding: 0.75rem 1.25rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.25rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.auth-footer a {
    color: var(--brand-primary);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Builder Drag-and-Drop (SortableJS) - #853
   ========================================================================== */

.sortable-ghost { opacity: 0.4; background-color: var(--bs-light); }
.sortable-drag { opacity: 0.8; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.handle { cursor: grab; }
.handle:active { cursor: grabbing; }

@media (max-width: 767.98px) {
    .builder-actions .btn {
        min-height: 44px;
        min-width: 44px;
        padding: 0.5rem;
    }
}