/* ==========================================================================
   News Updater — Custom Design System
   ========================================================================== */

/* --- CSS Custom Properties --- */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --primary-glow: rgba(79, 70, 229, 0.25);
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --transition: 0.2s ease;
}

/* --- Typography --- */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-700);
    padding-top: 64px;
    padding-bottom: 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 700;
}

/* --- Navbar --- */
.navbar-custom {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    box-shadow: var(--shadow-md);
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    border: none;
}

.navbar-custom .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-custom .navbar-brand .brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

.navbar-custom .nav-link {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
    position: relative;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link:focus {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.08);
}

.navbar-custom .nav-link.active {
    color: #fff;
}

.navbar-custom .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0.9rem;
    right: 0.9rem;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

/* --- Cards --- */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), transform var(--transition);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid var(--gray-100);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    padding: 1rem 1.25rem;
}

.card-footer {
    background-color: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important;
}

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

/* --- Buttons --- */
.btn {
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1.1rem;
    transition: all var(--transition);
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 0.2rem var(--primary-glow);
}

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

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

.btn-success {
    background-color: var(--success);
    border-color: var(--success);
}

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

.btn-info:hover {
    color: #fff;
}

.btn-lg {
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
    border-radius: 10px;
}

/* --- Forms --- */
.form-control {
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 0.55rem 0.85rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem var(--primary-glow);
}

.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-700);
    margin-bottom: 0.35rem;
}

.form-text {
    font-size: 0.8rem;
    color: var(--gray-400);
}

textarea.form-control {
    border-radius: 8px;
}

/* --- Alerts --- */
.alert {
    border-radius: var(--radius);
    border: none;
    border-left: 4px solid transparent;
    font-size: 0.9rem;
}

.alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border-left-color: var(--success);
}

.alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
    border-left-color: var(--danger);
}

.alert-warning {
    background-color: #fffbeb;
    color: #92400e;
    border-left-color: var(--warning);
}

.alert-info {
    background-color: #ecfeff;
    color: #155e75;
    border-left-color: var(--info);
}

/* --- Auth Pages (login, signup, password reset, verify) --- */
.auth-card-wrapper {
    min-height: calc(100vh - 140px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.auth-card {
    width: 100%;
    max-width: 440px;
}

.auth-icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 0.75rem;
}

/* --- Landing / Hero --- */
.hero-section {
    background: linear-gradient(135deg, #312e81 0%, var(--primary) 50%, #6366f1 100%);
    color: #fff;
    border-radius: 0 0 2rem 2rem;
    margin-top: -1.5rem;
    padding: 4rem 1.5rem 3.5rem;
    margin-bottom: 2rem;
}

.hero-section h1 {
    color: #fff;
    font-size: 2.75rem;
    letter-spacing: -0.03em;
}

.hero-section .lead {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero-section .btn-primary {
    background-color: #fff;
    color: var(--primary);
    border-color: #fff;
    font-weight: 600;
}

.hero-section .btn-primary:hover {
    background-color: var(--gray-100);
    color: var(--primary-hover);
}

.hero-section .btn-outline-secondary {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-section .btn-outline-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    color: #fff;
}

/* --- Feature Cards (Home page) --- */
.feature-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow);
    height: 100%;
    transition: box-shadow var(--transition), transform var(--transition);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* --- Dashboard --- */
.dashboard-header {
    margin-bottom: 1.5rem;
}

.dashboard-header h1 {
    font-size: 1.75rem;
    letter-spacing: -0.02em;
}

/* Section list items */
.section-item {
    border: none;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius) !important;
    background: #fff;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-sm);
    padding: 1rem 1.25rem;
    transition: box-shadow var(--transition);
}

.section-item:hover {
    box-shadow: var(--shadow-md);
}

.section-item h5 {
    font-size: 1rem;
    font-weight: 600;
}

.section-sources {
    color: var(--gray-500);
    font-size: 0.85rem;
    white-space: pre-line;
}

/* --- News History --- */
.news-card {
    border: none;
    border-left: 4px solid var(--gray-300);
    border-radius: var(--radius) !important;
    background: #fff;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-sm);
    padding: 1rem 1.25rem;
    transition: box-shadow var(--transition);
}

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

.news-card.confidence-high {
    border-left-color: var(--success);
}

.news-card.confidence-medium {
    border-left-color: var(--warning);
}

.news-card.confidence-low {
    border-left-color: var(--danger);
}

.source-pill {
    display: inline-block;
    background-color: var(--gray-100);
    color: var(--gray-600);
    padding: 0.15rem 0.55rem;
    border-radius: 99px;
    font-size: 0.75rem;
    text-decoration: none;
    margin-right: 0.25rem;
    margin-bottom: 0.25rem;
    transition: background-color var(--transition);
}

.source-pill:hover {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

/* Tabs in news history */
.nav-tabs .nav-link {
    color: var(--gray-500);
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.6rem 1rem;
    transition: color var(--transition), border-color var(--transition);
}

.nav-tabs .nav-link:hover {
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.nav-tabs .nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: transparent;
}

/* --- Accordion (schedule panel) --- */
.accordion-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius) !important;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.accordion-item:first-child,
.accordion-item:last-child {
    border-radius: var(--radius) !important;
}

.accordion-button {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-700);
    padding: 0.75rem 1rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-light);
    color: var(--primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem var(--primary-glow);
    border-color: transparent;
}

/* --- Time slots grid --- */
.time-slots-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.form-check {
    margin-bottom: 8px;
}

.form-check-label {
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem var(--primary-glow);
    border-color: var(--primary);
}

/* --- Delete / warning cards --- */
.delete-warning-card .card-body {
    text-align: center;
    padding: 2rem;
}

.delete-warning-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #fef2f2;
    color: var(--danger);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

/* --- Pagination --- */
.pagination .page-link {
    border: none;
    color: var(--gray-600);
    font-size: 0.875rem;
    border-radius: 8px !important;
    margin: 0 2px;
    padding: 0.4rem 0.75rem;
    transition: all var(--transition);
}

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

.pagination .page-item.active .page-link {
    background-color: var(--primary);
    color: #fff;
}

.pagination .page-item.disabled .page-link {
    color: var(--gray-300);
}

/* --- Footer --- */
.site-footer {
    background-color: #fff;
    border-top: 1px solid var(--gray-100);
    padding: 1.5rem 0;
    margin-top: 3rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* --- Badges (BS5 overrides) --- */
.badge.bg-success {
    background-color: #ecfdf5 !important;
    color: #065f46;
    font-weight: 600;
}

.badge.bg-warning {
    background-color: #fffbeb !important;
    color: #92400e;
    font-weight: 600;
}

.badge.bg-danger {
    background-color: #fef2f2 !important;
    color: #991b1b;
    font-weight: 600;
}

.badge.bg-secondary {
    background-color: var(--gray-100) !important;
    color: var(--gray-600);
    font-weight: 600;
}

/* --- List group override (dashboard sections) --- */
.list-group-flush .section-item {
    border-right: 0;
    border-top: 0;
    border-bottom: 0;
}

/* --- Preview placeholder (home page) --- */
.preview-placeholder {
    background: var(--gray-50);
    border: 2px dashed var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--gray-400);
}

.preview-placeholder i {
    color: var(--gray-300);
}

/* --- Sortable drag states --- */
.sortable-ghost {
    opacity: 0.4;
}

.sortable-chosen {
    box-shadow: var(--shadow-lg);
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .time-slots-container {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero-section h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .time-slots-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-section {
        padding: 3rem 1rem 2.5rem;
        border-radius: 0 0 1.25rem 1.25rem;
    }

    .hero-section h1 {
        font-size: 1.85rem;
    }

    .dashboard-header {
        text-align: center;
    }

    .dashboard-header .text-end {
        text-align: center !important;
        margin-top: 0.75rem;
    }
}

@media (max-width: 576px) {
    .time-slots-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 5px;
    }

    .form-check-label {
        font-size: 0.85rem;
    }

    .hero-section h1 {
        font-size: 1.6rem;
    }

    .feature-card {
        padding: 1.5rem 1rem;
    }
}