/* Modern Dark Theme - Radio Ad Generator */

/* CSS Custom Properties */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent: #22d3ee;
    --accent-glow: rgba(34, 211, 238, 0.3);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1f1f35;
    --bg-input: #16162a;
    --bg-glass: rgba(26, 26, 46, 0.8);
    
    --border-color: rgba(99, 102, 241, 0.2);
    --border-glow: rgba(99, 102, 241, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-accent: linear-gradient(135deg, #22d3ee 0%, #6366f1 100%);
    --gradient-card: linear-gradient(145deg, rgba(26, 26, 46, 0.9) 0%, rgba(15, 15, 26, 0.95) 100%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    background: var(--bg-dark);
    background-image: 
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modern Navbar */
.navbar {
    background: var(--bg-glass) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    transition: var(--transition-normal);
    position: relative;
    z-index: 1050;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.35rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active {
    color: var(--primary-light) !important;
}

.navbar-toggler {
    border-color: var(--border-color);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Dropdown Menus */
.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    backdrop-filter: blur(20px);
    z-index: 1060;
}

.dropdown-item {
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--text-primary);
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: 0.5rem 0;
}

/* Modern Cards */
.card, .bg-dark {
    background: var(--gradient-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.card:hover {
    border-color: var(--border-glow) !important;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-2px);
}

.card-header {
    background: transparent !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding: 1.5rem;
}

.card-header h2 {
    margin: 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: transparent !important;
    border-top: 1px solid var(--border-color) !important;
    padding: 1rem 1.5rem;
}

.card-footer a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

.card-footer a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* Ad Container - Special Glass Effect */
.ad-container {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.ad-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-normal);
}

.ad-container:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-3px);
}

.ad-container:hover::before {
    opacity: 1;
}

.ad-container h4 {
    color: var(--primary-light);
    margin-bottom: 1rem;
    font-weight: 600;
}

.ad-content {
    background: var(--bg-input);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    white-space: pre-wrap;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Feedback Section */
.feedback-section {
    margin-top: 1.25rem;
    padding: 1.25rem;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md);
}

/* Form Controls */
.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}

/* Info Tooltips */
.info-tooltip {
    color: var(--text-muted);
    cursor: help;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.info-tooltip:hover {
    color: var(--primary-light);
}

.tooltip {
    z-index: 1080;
}

.tooltip-inner {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    max-width: 280px;
    text-align: left;
    box-shadow: var(--shadow-lg);
}

.tooltip.bs-tooltip-top .tooltip-arrow::before,
.tooltip.bs-tooltip-auto[data-popper-placement^=top] .tooltip-arrow::before {
    border-top-color: var(--border-color);
}

.tooltip.bs-tooltip-bottom .tooltip-arrow::before,
.tooltip.bs-tooltip-auto[data-popper-placement^=bottom] .tooltip-arrow::before {
    border-bottom-color: var(--border-color);
}

.form-control, .form-select {
    background: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text-primary) !important;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    background: var(--bg-input) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Checkboxes */
.form-check-input {
    background-color: var(--bg-input);
    border: 2px solid var(--border-color);
    width: 1.2em;
    height: 1.2em;
    transition: var(--transition-fast);
}

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

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
    border-color: var(--primary);
}

.form-check-label {
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

/* Buttons */
.btn {
    padding: 0.7rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
    background: var(--gradient-primary);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-glow);
}

.btn-outline-primary {
    color: var(--primary-light);
    border: 2px solid var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
}

.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.9rem 2rem;
    font-size: 1.1rem;
}

/* Alerts */
.alert {
    border-radius: var(--radius-md);
    border: none;
    padding: 1rem 1.25rem;
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: rgba(34, 211, 238, 0.15);
    color: #67e8f9;
    border-left: 4px solid var(--accent);
}

/* List Groups */
.list-group {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.list-group-item {
    background: var(--bg-card) !important;
    border: none !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.list-group-item:last-child {
    border-bottom: none !important;
}

.list-group-item:hover, .list-group-item-action:hover {
    background: var(--bg-card-hover) !important;
    transform: translateX(4px);
}

.file-actions {
    display: flex;
    gap: 0.5rem;
}

/* Tables */
.table {
    color: var(--text-primary);
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: var(--bg-card);
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    padding: 1rem;
}

.table tbody td {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 0.9rem 1rem;
    vertical-align: middle;
}

.table tbody tr:hover td {
    background: rgba(99, 102, 241, 0.05);
}

.table-dark {
    --bs-table-bg: var(--bg-card);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.4em 0.8em;
    border-radius: var(--radius-sm);
}

.bg-primary {
    background: var(--gradient-primary) !important;
}

.bg-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
}

.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.bg-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

/* Login Container */
.login-container {
    max-width: 440px;
    margin: 3rem auto;
    padding: 2.5rem;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    position: relative;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

/* Page Headers */
.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.page-header h2 {
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-muted);
    margin: 0;
}

/* Profile Card Styling */
.profile-card {
    text-align: center;
    padding: 2rem;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.3);
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.profile-role {
    color: var(--primary-light);
    font-size: 0.9rem;
}

/* Stats Cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Iframe Wrapper */
.iframe-wrapper {
    min-height: 100vh;
    overflow-y: auto;
    padding: 0;
    margin: 0;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-glow);
}

/* Selection */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* Utility Classes */
.text-accent {
    color: var(--accent) !important;
}

.text-primary-custom {
    color: var(--primary-light) !important;
}

.border-glow {
    border-color: var(--border-glow) !important;
}

.glow-effect {
    box-shadow: var(--shadow-glow);
}

/* Form Section Dividers */
.form-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section-title {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Pulse Animation for Active States */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .ad-container {
        padding: 1.25rem;
    }
    
    .login-container {
        margin: 1.5rem;
        padding: 1.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .btn {
        padding: 0.6rem 1.2rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    body {
        padding: 0.5rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .ad-container {
        padding: 1rem;
    }
    
    .form-control, .form-select {
        padding: 0.65rem 0.85rem;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .navbar, .btn, .form-check {
        display: none !important;
    }
    
    .card, .ad-container {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}