/**
 * LRN Framework - Enhanced Dark Theme
 * Professional dark theme with improved contrast, depth, and visual appeal
 * Version: 2.0
 */

/* ==========================================================================
   ENHANCED DARK THEME VARIABLES
   ========================================================================== */

:root,
[data-theme="dark"] {
    /* Primary Colors - More Vibrant */
    --lrn-primary: #5ba3ff;
    --lrn-primary-dark: #4a92ef;
    --lrn-primary-light: #7db8ff;
    --lrn-secondary: #8b9dc3;

    /* Success, Warning, Danger - Enhanced */
    --lrn-success: #3dd598;
    --lrn-success-dark: #2ec684;
    --lrn-warning: #ffb648;
    --lrn-warning-dark: #f0a842;
    --lrn-danger: #ff5f6d;
    --lrn-danger-dark: #ef4f5d;
    --lrn-info: #4fc3f7;

    /* Background Colors - Enhanced Depth */
    --lrn-bg-primary: #181825;
    --lrn-bg-secondary: #242435;
    --lrn-bg-tertiary: #2f2f45;
    --lrn-bg-elevated: #363650;
    --lrn-bg-overlay: rgba(24, 24, 37, 0.98);
    --lrn-bg-hover: rgba(91, 163, 255, 0.08);

    /* Card Backgrounds - Glass Effect */
    --lrn-card-bg: rgba(36, 36, 53, 0.85);
    --lrn-card-bg-hover: rgba(42, 42, 63, 0.95);
    --lrn-card-border: rgba(91, 163, 255, 0.12);

    /* Text Colors - Better Contrast */
    --lrn-text-primary: #f5f5f9;
    --lrn-text-secondary: #c5c8d8;
    --lrn-text-muted: #9499b0;
    --lrn-text-inverse: #181825;

    /* Border Colors - Subtle but Visible */
    --lrn-border-primary: rgba(91, 163, 255, 0.18);
    --lrn-border-secondary: rgba(139, 157, 195, 0.15);
    --lrn-border-color: #3a3a50;
    --lrn-border-light: #2f2f45;
    --lrn-border-dark: #4a4a62;

    /* Shadow Colors - Enhanced Depth */
    --lrn-shadow-xs: 0 1px 4px rgba(0, 0, 0, 0.5);
    --lrn-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.6);
    --lrn-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.7);
    --lrn-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.8);
    --lrn-shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.9);
    --lrn-shadow-primary: 0 8px 24px rgba(91, 163, 255, 0.3);
    --lrn-shadow-glow: 0 0 24px rgba(91, 163, 255, 0.4);
    --lrn-shadow-hover: 0 12px 40px rgba(91, 163, 255, 0.2);

    /* Gradients - More Dynamic */
    --lrn-gradient-primary: linear-gradient(135deg, #5ba3ff 0%, #7db8ff 100%);
    --lrn-gradient-secondary: linear-gradient(135deg, #6a7ff0 0%, #5ba3ff 100%);
    --lrn-gradient-success: linear-gradient(135deg, #3dd598 0%, #2ec684 100%);
    --lrn-gradient-danger: linear-gradient(135deg, #ff5f6d 0%, #ef4f5d 100%);
    --lrn-gradient-card: linear-gradient(145deg, rgba(36, 36, 53, 0.95) 0%, rgba(47, 47, 69, 0.95) 100%);
    --lrn-gradient-elevated: linear-gradient(145deg, rgba(47, 47, 69, 0.95) 0%, rgba(54, 54, 80, 0.95) 100%);

    /* Glass Morphism Effects */
    --lrn-glass-bg: rgba(36, 36, 53, 0.7);
    --lrn-glass-border: rgba(255, 255, 255, 0.08);
    --lrn-backdrop-blur: blur(20px);
}

/* ==========================================================================
   ENHANCED CARD STYLES
   ========================================================================== */

.card,
.lrn-card,
.dashboard-card,
.station-section {
    background: var(--lrn-card-bg) !important;
    border: 1px solid var(--lrn-card-border) !important;
    border-radius: var(--lrn-radius-lg) !important;
    box-shadow: var(--lrn-shadow-md) !important;
    backdrop-filter: var(--lrn-backdrop-blur);
    transition: all 0.3s ease !important;
}

.card:hover,
.lrn-card:hover,
.dashboard-card:hover {
    background: var(--lrn-card-bg-hover) !important;
    box-shadow: var(--lrn-shadow-hover) !important;
    transform: translateY(-2px);
}

.card-header,
.lrn-card-header {
    background: var(--lrn-gradient-primary) !important;
    border-bottom: 1px solid var(--lrn-border-primary) !important;
    padding: 1rem 1.5rem !important;
    border-radius: var(--lrn-radius-lg) var(--lrn-radius-lg) 0 0 !important;
}

.card-body,
.lrn-card-body {
    padding: 1.5rem !important;
}

/* ==========================================================================
   ENHANCED BUTTON STYLES
   ========================================================================== */

.btn,
.button {
    font-weight: 500 !important;
    letter-spacing: 0.3px !important;
    border-radius: var(--lrn-radius-md) !important;
    transition: all 0.2s ease !important;
    border: none !important;
    position: relative;
    overflow: hidden;
}

.btn:before,
.button:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover:before,
.button:hover:before {
    width: 300px;
    height: 300px;
}

.btn-primary,
.button.blue {
    background: var(--lrn-gradient-primary) !important;
    box-shadow: var(--lrn-shadow-sm), 0 0 0 0 rgba(91, 163, 255, 0.4) !important;
    color: white !important;
}

.btn-primary:hover,
.button.blue:hover {
    box-shadow: var(--lrn-shadow-primary) !important;
    transform: translateY(-2px) !important;
}

.btn-primary:active,
.button.blue:active {
    transform: translateY(0) !important;
    box-shadow: var(--lrn-shadow-sm) !important;
}

.btn-secondary {
    background: linear-gradient(135deg, #3a3a50 0%, #4a4a62 100%) !important;
    color: var(--lrn-text-primary) !important;
    box-shadow: var(--lrn-shadow-sm) !important;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #4a4a62 0%, #5a5a74 100%) !important;
    transform: translateY(-2px) !important;
}

.btn-success {
    background: var(--lrn-gradient-success) !important;
    color: white !important;
    box-shadow: var(--lrn-shadow-sm) !important;
}

.btn-success:hover {
    box-shadow: 0 8px 24px rgba(61, 213, 152, 0.3) !important;
    transform: translateY(-2px) !important;
}

.btn-danger {
    background: var(--lrn-gradient-danger) !important;
    color: white !important;
    box-shadow: var(--lrn-shadow-sm) !important;
}

.btn-danger:hover {
    box-shadow: 0 8px 24px rgba(255, 95, 109, 0.3) !important;
    transform: translateY(-2px) !important;
}

.btn-sm,
.btn-xs {
    padding: 0.35rem 0.75rem !important;
    font-size: 0.875rem !important;
}

/* ==========================================================================
   ENHANCED MODAL STYLES
   ========================================================================== */

.modal-backdrop {
    background: rgba(0, 0, 0, 0.85) !important;
    backdrop-filter: blur(8px);
}

.modal-content {
    background: var(--lrn-gradient-card) !important;
    border: 1px solid var(--lrn-card-border) !important;
    border-radius: var(--lrn-radius-xl) !important;
    box-shadow: var(--lrn-shadow-xl) !important;
    backdrop-filter: var(--lrn-backdrop-blur);
}

.modal-header {
    background: linear-gradient(135deg, rgba(91, 163, 255, 0.15) 0%, rgba(107, 176, 255, 0.10) 100%) !important;
    border-bottom: 1px solid var(--lrn-border-primary) !important;
    padding: 1.25rem 1.5rem !important;
    border-radius: var(--lrn-radius-xl) var(--lrn-radius-xl) 0 0 !important;
}

.modal-header h3,
.modal-header h4 {
    color: var(--lrn-text-primary) !important;
    margin: 0 !important;
}

.modal-body {
    padding: 1.5rem !important;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    background: rgba(47, 47, 69, 0.5) !important;
    border-top: 1px solid var(--lrn-border-primary) !important;
    padding: 1rem 1.5rem !important;
    border-radius: 0 0 var(--lrn-radius-xl) var(--lrn-radius-xl) !important;
}

/* ==========================================================================
   ENHANCED TABLE STYLES
   ========================================================================== */

.table,
.stations-table,
table {
    background: transparent !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
}

.table thead,
.stations-table thead,
table thead {
    background: linear-gradient(135deg, rgba(91, 163, 255, 0.12) 0%, rgba(107, 176, 255, 0.08) 100%) !important;
}

.table thead th,
.stations-table thead th,
table thead th {
    border-bottom: 2px solid var(--lrn-border-primary) !important;
    color: var(--lrn-text-primary) !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    padding: 1rem !important;
    text-transform: uppercase !important;
    font-size: 0.85rem !important;
}

.table tbody tr,
.stations-table tbody tr,
table tbody tr {
    transition: all 0.2s ease !important;
    border-bottom: 1px solid var(--lrn-border-light) !important;
}

.table tbody tr:hover,
.stations-table tbody tr:hover,
.station-row:hover,
table tbody tr:hover {
    background: var(--lrn-bg-hover) !important;
    transform: scale(1.01);
    box-shadow: var(--lrn-shadow-sm);
}

.table tbody td,
.stations-table tbody td,
table tbody td {
    padding: 1rem !important;
    color: var(--lrn-text-secondary) !important;
    border-bottom: 1px solid var(--lrn-border-light) !important;
}

/* ==========================================================================
   ENHANCED FORM STYLES
   ========================================================================== */

.form-control,
.form-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    background: rgba(47, 47, 69, 0.6) !important;
    border: 1px solid var(--lrn-border-primary) !important;
    color: var(--lrn-text-primary) !important;
    border-radius: var(--lrn-radius-md) !important;
    padding: 0.65rem 1rem !important;
    transition: all 0.2s ease !important;
}

/* Login page inputs keep their own light styling */
.login-form .form-control {
    color: #2c3e50 !important;
    background-color: rgba(255, 255, 255, 0.8) !important;
    border: 2px solid rgba(0, 0, 0, 0.1) !important;
}

.login-form .form-control:focus {
    color: #2c3e50 !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-color: transparent !important;
    box-shadow: 0 10px 25px rgba(74, 144, 226, 0.15) !important;
}

.form-control:focus,
.form-input:focus,
input:focus,
select:focus,
textarea:focus {
    background: rgba(54, 54, 80, 0.8) !important;
    border-color: var(--lrn-primary) !important;
    box-shadow: 0 0 0 3px rgba(91, 163, 255, 0.15) !important;
    outline: none !important;
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--lrn-text-muted) !important;
    opacity: 0.6 !important;
}

/* Search inputs need extra left padding for the icon */
.search-input,
.lrn-search-input,
input.search-input[type="text"] {
    padding: 0.65rem 1rem 0.65rem 2.75rem !important;
}

.form-group label,
.form-label {
    color: var(--lrn-text-primary) !important;
    font-weight: 500 !important;
    margin-bottom: 0.5rem !important;
    letter-spacing: 0.3px !important;
}

/* ==========================================================================
   ENHANCED SIDEBAR & HEADER
   ========================================================================== */

.lrn-admin-header {
    background: linear-gradient(135deg, #0a0a12 0%, #16161f 100%) !important;
    border-bottom: 1px solid rgba(91, 163, 255, 0.2) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8) !important;
    backdrop-filter: blur(20px);
}

.lrn-side-nav {
    background: linear-gradient(180deg, rgba(36, 36, 53, 0.95) 0%, rgba(47, 47, 69, 0.95) 100%) !important;
    border-right: 1px solid var(--lrn-border-primary) !important;
    box-shadow: var(--lrn-shadow-md) !important;
}

.lrn-side-nav-title {
    color: var(--lrn-text-primary) !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    padding: 0.75rem 1rem !important;
    background: linear-gradient(135deg, rgba(91, 163, 255, 0.08) 0%, transparent 100%) !important;
    border-left: 3px solid var(--lrn-primary);
}

.lrn-nav-group li a {
    color: var(--lrn-text-secondary) !important;
    padding: 0.65rem 1rem 0.65rem 1.5rem !important;
    transition: all 0.2s ease !important;
    border-left: 3px solid transparent;
}

.lrn-nav-group li a:hover,
.lrn-nav-group li a.active {
    background: var(--lrn-bg-hover) !important;
    color: var(--lrn-primary) !important;
    border-left-color: var(--lrn-primary) !important;
    padding-left: 1.75rem !important;
}

/* ==========================================================================
   ENHANCED LIST & DETAIL ITEMS
   ========================================================================== */

.detail-list-item,
.note-item,
.active-user-item {
    background: rgba(47, 47, 69, 0.5) !important;
    border: 1px solid var(--lrn-border-light) !important;
    border-radius: var(--lrn-radius-md) !important;
    transition: all 0.2s ease !important;
}

.detail-list-item:hover,
.note-item:hover,
.active-user-item:hover {
    background: rgba(54, 54, 80, 0.7) !important;
    border-color: var(--lrn-border-primary) !important;
    transform: translateX(4px);
    box-shadow: var(--lrn-shadow-sm);
}

.detail-list-item .item-icon {
    color: var(--lrn-primary) !important;
}

/* ==========================================================================
   ENHANCED STATUS INDICATORS
   ========================================================================== */

.status-online {
    color: var(--lrn-success) !important;
}

.status-offline {
    color: var(--lrn-text-muted) !important;
}

.status-warning {
    color: var(--lrn-warning) !important;
}

.badge {
    padding: 0.35rem 0.75rem !important;
    border-radius: var(--lrn-radius-pill) !important;
    font-weight: 500 !important;
    letter-spacing: 0.3px !important;
    font-size: 0.75rem !important;
}

.badge-primary {
    background: var(--lrn-gradient-primary) !important;
    color: white !important;
}

.badge-success {
    background: var(--lrn-gradient-success) !important;
    color: white !important;
}

.badge-danger {
    background: var(--lrn-gradient-danger) !important;
    color: white !important;
}

/* ==========================================================================
   ENHANCED SCROLLBARS
   ========================================================================== */

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--lrn-bg-secondary);
    border-radius: var(--lrn-radius-sm);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(91, 163, 255, 0.3) 0%, rgba(107, 176, 255, 0.3) 100%);
    border-radius: var(--lrn-radius-sm);
    border: 2px solid var(--lrn-bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, rgba(91, 163, 255, 0.5) 0%, rgba(107, 176, 255, 0.5) 100%);
}

/* ==========================================================================
   ENHANCED ANIMATIONS
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.loading .spinner,
.fa-spin {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ==========================================================================
   LAYOUT FIXES
   ========================================================================== */

/* Framework already handles layout - removed conflicting overrides */
/* Only keep minimal necessary fixes */

/* ==========================================================================
   MISC ENHANCEMENTS
   ========================================================================== */

.alert {
    border-radius: var(--lrn-radius-md) !important;
    border: 1px solid !important;
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(61, 213, 152, 0.15) !important;
    border-color: var(--lrn-success) !important;
    color: var(--lrn-success) !important;
}

.alert-danger {
    background: rgba(255, 95, 109, 0.15) !important;
    border-color: var(--lrn-danger) !important;
    color: var(--lrn-danger) !important;
}

.alert-warning {
    background: rgba(255, 182, 72, 0.15) !important;
    border-color: var(--lrn-warning) !important;
    color: var(--lrn-warning) !important;
}

.alert-info {
    background: rgba(79, 195, 247, 0.15) !important;
    border-color: var(--lrn-info) !important;
    color: var(--lrn-info) !important;
}

/* Improve text readability */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--lrn-text-primary) !important;
    font-weight: 600 !important;
    letter-spacing: 0.3px !important;
}

p,
span,
div {
    color: var(--lrn-text-secondary);
}

/* Loading states */
.loading-overlay {
    background: rgba(24, 24, 37, 0.95) !important;
    backdrop-filter: blur(10px);
}

.loading-spinner {
    color: var(--lrn-primary) !important;
}

/* Selection color */
::selection {
    background: rgba(91, 163, 255, 0.3);
    color: var(--lrn-text-primary);
}

::-moz-selection {
    background: rgba(91, 163, 255, 0.3);
    color: var(--lrn-text-primary);
}