/* ========================================
   EduSurvey — Scientific Research Dashboard
   ======================================== */

:root {
    --edu-primary: #1a237e;
    --edu-primary-light: #3949ab;
    --edu-primary-subtle: #e8eaf6;
    --edu-accent: #0288d1;
    --edu-success: #2e7d32;
    --edu-bg: #f5f7fa;
    --edu-card-bg: #ffffff;
    --edu-text: #263238;
    --edu-text-muted: #607d8b;
    --edu-border: #e0e0e0;
    --edu-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --edu-radius: 10px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--edu-bg);
    color: var(--edu-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.edu-navbar {
    background: var(--edu-card-bg);
    border-bottom: 1px solid var(--edu-border);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.edu-navbar .navbar-brand {
    color: var(--edu-primary);
    font-size: 1.3rem;
    letter-spacing: -0.5px;
}

.edu-navbar .nav-link {
    color: var(--edu-text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.edu-navbar .nav-link:hover,
.edu-navbar .nav-link.active {
    color: var(--edu-primary);
}

/* Cards */
.card {
    border-radius: var(--edu-radius);
    border: 1px solid var(--edu-border);
    transition: box-shadow 0.2s;
}

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

/* Stat Cards */
.stat-card {
    border-left: 4px solid var(--edu-primary);
    border-radius: var(--edu-radius);
}

.stat-card .stat-number,
.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--edu-primary);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--edu-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Primary Button Override */
.btn-primary {
    background-color: var(--edu-primary);
    border-color: var(--edu-primary);
}

.btn-primary:hover {
    background-color: var(--edu-primary-light);
    border-color: var(--edu-primary-light);
}

/* Hero Section */
.hero-graphic {
    background: var(--edu-primary-subtle);
    border-radius: 20px;
    padding: 3rem;
}

.min-vh-75 {
    min-height: 75vh;
}

/* Footer */
.edu-footer {
    background: var(--edu-card-bg);
    border-top: 1px solid var(--edu-border);
}

/* Survey Builder */
.question-card {
    border: 1px solid var(--edu-border);
    border-radius: var(--edu-radius);
    background: var(--edu-card-bg);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.question-card:hover {
    border-color: var(--edu-primary-light);
    box-shadow: var(--edu-shadow);
}

.question-card .drag-handle {
    cursor: grab;
    color: var(--edu-text-muted);
}

.question-type-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Survey Creation - Method & Template Cards */
.method-card,
.template-card {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    border: 2px solid transparent;
}

.method-card:hover,
.template-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--edu-primary-light);
}

.method-card .display-4,
.template-card .display-6 {
    transition: transform 0.2s;
}

.method-card:hover .display-4,
.template-card:hover .display-6 {
    transform: scale(1.1);
}

/* Preview editable inputs */
#step-preview .form-control-sm.border-0 {
    background: transparent;
}

#step-preview .form-control-sm.border-0:hover,
#step-preview .form-control-sm.border-0:focus {
    background: var(--edu-primary-subtle);
    border-radius: 4px;
}

/* Analysis Section */
.chart-container {
    position: relative;
    background: var(--edu-card-bg);
    border-radius: var(--edu-radius);
    padding: 1.5rem;
    border: 1px solid var(--edu-border);
}

.interpretation-box {
    background: var(--edu-primary-subtle);
    border-left: 4px solid var(--edu-primary);
    border-radius: 0 var(--edu-radius) var(--edu-radius) 0;
    padding: 1.25rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Table */
.table-edu thead {
    background: var(--edu-primary-subtle);
}

.table-edu thead th {
    color: var(--edu-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--edu-primary);
}

/* Numeric cells in RTL tables — keep numbers LTR */
.num-cell {
    direction: ltr;
    unicode-bidi: embed;
    text-align: center;
}

[dir="rtl"] .table-edu th,
[dir="rtl"] .table th {
    text-align: right;
}

/* Badge Status */
.badge-draft { background-color: #fff3e0; color: #e65100; }
.badge-active { background-color: #e8f5e9; color: #2e7d32; }
.badge-closed { background-color: #fce4ec; color: #c62828; }

/* Loading */
.spinner-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ===================== Modern Dialog ===================== */
#edu-dialog-overlay {
    position: fixed; inset: 0;
    z-index: 10500;
    display: flex; align-items: center; justify-content: center;
    background: rgba(15, 23, 42, 0);
    backdrop-filter: blur(0);
    -webkit-backdrop-filter: blur(0);
    transition: background .3s ease, backdrop-filter .3s ease, -webkit-backdrop-filter .3s ease;
}
#edu-dialog-overlay.edu-dialog-visible {
    background: rgba(15, 23, 42, .45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.edu-dialog-card {
    position: relative;
    width: 92%; max-width: 400px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(0,0,0,.18), 0 0 0 1px rgba(0,0,0,.04);
    text-align: center;
    padding: 0 28px 28px;
    overflow: hidden;
    transform: scale(.85) translateY(30px);
    opacity: 0;
    transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .25s ease;
}
#edu-dialog-overlay.edu-dialog-visible .edu-dialog-card {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.edu-dialog-ribbon {
    height: 6px; width: 100%;
    border-radius: 0 0 12px 12px;
    margin-bottom: 22px;
}

.edu-dialog-icon-wrap {
    display: inline-flex; align-items: center; justify-content: center;
    width: 64px; height: 64px;
    border-radius: 50%;
    margin-bottom: 14px;
    animation: edu-dialog-pulse 2s ease-in-out infinite;
}
.edu-dialog-icon-wrap i { font-size: 1.65rem; }

@keyframes edu-dialog-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,0,0,.06); }
    50%      { box-shadow: 0 0 0 10px rgba(0,0,0,.03); }
}

.edu-dialog-title {
    font-weight: 700; font-size: 1.15rem;
    margin-bottom: 6px; color: #1e293b;
}
.edu-dialog-message {
    color: #64748b; font-size: .935rem;
    line-height: 1.55; margin-bottom: 24px;
}

.edu-dialog-actions {
    display: flex; gap: 10px; justify-content: center;
}

.edu-dialog-btn {
    border: none; outline: none; cursor: pointer;
    font-weight: 600; font-size: .9rem;
    padding: 10px 28px;
    border-radius: 12px;
    transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
.edu-dialog-btn:hover  { transform: translateY(-1px); }
.edu-dialog-btn:active { transform: translateY(0) scale(.97); }

.edu-dialog-btn-cancel {
    background: #f1f5f9; color: #475569;
}
.edu-dialog-btn-cancel:hover { background: #e2e8f0; }

.edu-dialog-btn-warning {
    background: linear-gradient(135deg,#ff9800,#fb8c00);
    color: #fff; box-shadow: 0 4px 14px rgba(255,152,0,.35);
}
.edu-dialog-btn-warning:hover { box-shadow: 0 6px 20px rgba(255,152,0,.45); }

.edu-dialog-btn-danger {
    background: linear-gradient(135deg,#ef5350,#c62828);
    color: #fff; box-shadow: 0 4px 14px rgba(239,83,80,.35);
}
.edu-dialog-btn-danger:hover { box-shadow: 0 6px 20px rgba(239,83,80,.45); }

.edu-dialog-btn-info {
    background: linear-gradient(135deg,#42a5f5,#1565c0);
    color: #fff; box-shadow: 0 4px 14px rgba(66,165,245,.35);
}
.edu-dialog-btn-info:hover { box-shadow: 0 6px 20px rgba(66,165,245,.45); }

.edu-dialog-btn-success {
    background: linear-gradient(135deg,#66bb6a,#2e7d32);
    color: #fff; box-shadow: 0 4px 14px rgba(102,187,106,.35);
}
.edu-dialog-btn-success:hover { box-shadow: 0 6px 20px rgba(102,187,106,.45); }

/* Dark mode */
[data-bs-theme="dark"] .edu-dialog-card {
    background: #1e293b;
    box-shadow: 0 25px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.06);
}
[data-bs-theme="dark"] .edu-dialog-title  { color: #f1f5f9; }
[data-bs-theme="dark"] .edu-dialog-message { color: #94a3b8; }
[data-bs-theme="dark"] .edu-dialog-btn-cancel {
    background: #334155; color: #cbd5e1;
}
[data-bs-theme="dark"] .edu-dialog-btn-cancel:hover { background: #475569; }

/* Responsive */
@media (max-width: 768px) {
    .display-4 { font-size: 2rem; }
    .stat-card .stat-value,
    .stat-card .stat-number { font-size: 1.5rem; }
    .survey-toolbar .card-body { padding: 0.75rem !important; }
    .survey-toolbar .btn { font-size: 0.75rem; padding: 0.25rem 0.5rem; }
}

@media (max-width: 576px) {
    .container { padding-left: 10px; padding-right: 10px; }
    .stat-card .stat-value,
    .stat-card .stat-number { font-size: 1.25rem; }
    .card-body { padding: 0.75rem; }
    .hero-graphic { padding: 1.5rem; }
    /* Likert scale on small screens */
    .likert-group { flex-wrap: wrap; gap: 0.25rem; }
    .likert-group .flex-fill { min-width: 55px; }
    .likert-label { font-size: 0.65rem; }
    /* Method/template cards */
    .method-card .display-4 { font-size: 2.5rem; }
    .template-card .display-6 { font-size: 1.5rem; }
}

/* ========================================
   Dark Mode Overrides (Bootstrap data-bs-theme="dark")
   ======================================== */
[data-bs-theme="dark"] {
    --edu-primary: #7986cb;
    --edu-primary-light: #9fa8da;
    --edu-primary-subtle: #1a1a2e;
    --edu-accent: #4fc3f7;
    --edu-success: #66bb6a;
    --edu-bg: #121212;
    --edu-card-bg: #1e1e1e;
    --edu-text: #e0e0e0;
    --edu-text-muted: #9e9e9e;
    --edu-border: #333333;
    --edu-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .edu-navbar {
    background: var(--edu-card-bg);
    border-bottom-color: var(--edu-border);
}

[data-bs-theme="dark"] .edu-footer {
    background: var(--edu-card-bg);
    border-top-color: var(--edu-border);
}

[data-bs-theme="dark"] .card {
    background: var(--edu-card-bg);
    border-color: var(--edu-border);
}

[data-bs-theme="dark"] .hero-graphic {
    background: var(--edu-primary-subtle);
}

[data-bs-theme="dark"] .table-edu thead {
    background: var(--edu-primary-subtle);
}

[data-bs-theme="dark"] .question-card {
    background: var(--edu-card-bg);
    border-color: var(--edu-border);
}

[data-bs-theme="dark"] .interpretation-box {
    background: var(--edu-primary-subtle);
}

[data-bs-theme="dark"] .badge-draft { background-color: #3e2723; color: #ffb74d; }
[data-bs-theme="dark"] .badge-active { background-color: #1b5e20; color: #81c784; }
[data-bs-theme="dark"] .badge-closed { background-color: #4a1a1a; color: #ef9a9a; }

/* Force dark backgrounds on Bootstrap utility classes in dark mode */
[data-bs-theme="dark"] .bg-white {
    background-color: var(--edu-card-bg) !important;
}

[data-bs-theme="dark"] .table-light {
    --bs-table-bg: #2a2a2a;
    --bs-table-color: var(--edu-text);
    --bs-table-border-color: var(--edu-border);
}

[data-bs-theme="dark"] .table-hover > tbody > tr:hover > * {
    --bs-table-hover-bg: #2a2a2a;
    --bs-table-hover-color: var(--edu-text);
}

[data-bs-theme="dark"] .table {
    --bs-table-bg: var(--edu-card-bg);
    --bs-table-color: var(--edu-text);
    --bs-table-border-color: var(--edu-border);
}

[data-bs-theme="dark"] .card-header {
    background-color: var(--edu-card-bg);
    border-bottom-color: var(--edu-border);
}

[data-bs-theme="dark"] .list-group-item {
    background-color: var(--edu-card-bg);
    border-color: var(--edu-border);
    color: var(--edu-text);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: #2a2a2a;
    border-color: var(--edu-border);
    color: var(--edu-text);
}

[data-bs-theme="dark"] .form-control::placeholder {
    color: var(--edu-text-muted);
}

[data-bs-theme="dark"] .btn-outline-primary {
    color: var(--edu-primary);
    border-color: var(--edu-primary);
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
    background-color: var(--edu-primary);
    color: #fff;
}

[data-bs-theme="dark"] .text-muted {
    color: var(--edu-text-muted) !important;
}

[data-bs-theme="dark"] .text-dark {
    color: var(--edu-text) !important;
}

[data-bs-theme="dark"] .bg-opacity-10 {
    background-color: rgba(121, 134, 203, 0.15) !important;
}

[data-bs-theme="dark"] .shadow-sm {
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.4) !important;
}

/* ========================================
   Survey Toolbar (Google-Forms-like)
   ======================================== */
.survey-toolbar {
    position: sticky;
    top: 56px; /* below navbar */
    z-index: 100;
    border-radius: var(--edu-radius);
}

.survey-toolbar .btn {
    font-size: 0.82rem;
}

.survey-toolbar .badge {
    font-size: 0.78rem;
    padding: 0.35em 0.65em;
}

/* Share modal link input */
#share-url {
    font-size: 0.85rem;
    background: var(--edu-bg);
}

/* Theme color swatch preview */
#theme-preview-swatch,
#builder-theme-swatch {
    transition: background 0.2s;
    font-weight: 600;
}

/* ========================================
   RTL / Arabic Support
   ======================================== */
[dir="rtl"] body {
    font-family: 'Noto Sans Arabic', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

[dir="rtl"] .me-1 { margin-right: 0 !important; margin-left: 0.25rem !important; }
[dir="rtl"] .me-2 { margin-right: 0 !important; margin-left: 0.5rem !important; }
[dir="rtl"] .ms-2 { margin-left: 0 !important; margin-right: 0.5rem !important; }

[dir="rtl"] .stat-card {
    border-left: none;
    border-right: 4px solid var(--edu-primary);
}

[dir="rtl"] .interpretation-box {
    border-left: none;
    border-right: 4px solid var(--edu-primary);
    border-radius: var(--edu-radius) 0 0 var(--edu-radius);
}

/* ========================================
   Additional Dark Mode Fixes
   ======================================== */
[data-bs-theme="dark"] .bg-light {
    background-color: #2a2a2a !important;
}

[data-bs-theme="dark"] .bg-transparent {
    background-color: transparent !important;
}

[data-bs-theme="dark"] .modal-content {
    background-color: var(--edu-card-bg);
    border-color: var(--edu-border);
}

[data-bs-theme="dark"] .dropdown-menu {
    background-color: var(--edu-card-bg);
    border-color: var(--edu-border);
}

[data-bs-theme="dark"] .dropdown-item {
    color: var(--edu-text);
}

[data-bs-theme="dark"] .dropdown-item:hover {
    background-color: #2a2a2a;
}

[data-bs-theme="dark"] .btn-outline-dark {
    color: var(--edu-text);
    border-color: var(--edu-border);
}

[data-bs-theme="dark"] .btn-outline-dark:hover {
    background-color: var(--edu-border);
    color: #fff;
}

[data-bs-theme="dark"] .btn-outline-secondary {
    color: var(--edu-text-muted);
    border-color: var(--edu-border);
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--edu-border);
    color: #fff;
}

[data-bs-theme="dark"] .alert-info {
    background-color: #1a2a3a;
    border-color: #2a3a4a;
    color: var(--edu-text);
}

[data-bs-theme="dark"] .method-card,
[data-bs-theme="dark"] .template-card {
    background: var(--edu-card-bg);
}

[data-bs-theme="dark"] .method-card:hover,
[data-bs-theme="dark"] .template-card:hover {
    border-color: var(--edu-primary-light);
}

[data-bs-theme="dark"] .badge.bg-light {
    background-color: #2a2a2a !important;
    color: var(--edu-text) !important;
}

[data-bs-theme="dark"] .survey-toolbar {
    background: var(--edu-card-bg);
}

[data-bs-theme="dark"] .spinner-overlay {
    background: rgba(0, 0, 0, 0.7);
}