/* ==========================================================================
   MARINTELLIGENT PORTAL - GLOBAL DARK THEME
   Modern Glassmorphism Dark Theme with Neon Accents
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-dark-primary: #0a0a0a;
    --bg-dark-secondary: #151515;
    --bg-dark-card: #1a1a1a;
    --bg-dark-elevated: #222222;
    --bg-gradient: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    
    /* Borders */
    --border-dark: #333333;
    --border-accent: #404040;
    --border-light: #555555;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --text-dim: #606060;
    
    /* Accent Colors */
    --accent-blue: #00d4ff;
    --accent-purple: #8b5cf6;
    --accent-green: #00ff88;
    --accent-red: #ff4757;
    --accent-yellow: #ffa502;
    --accent-orange: #ff6348;
    --accent-pink: #ff3f8f;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-bg-strong: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-hover: rgba(255, 255, 255, 0.08);
    
    /* Shadows */
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
    --shadow-glow-green: 0 0 20px rgba(0, 255, 136, 0.3);
    --shadow-glow-red: 0 0 20px rgba(255, 71, 87, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    --gradient-success: linear-gradient(135deg, var(--accent-green), #10b981);
    --gradient-danger: linear-gradient(135deg, var(--accent-red), #dc2626);
    --gradient-warning: linear-gradient(135deg, var(--accent-yellow), #f59e0b);
    --gradient-info: linear-gradient(135deg, var(--accent-blue), #0ea5e9);
    --gradient-secondary: linear-gradient(135deg, var(--text-muted), var(--border-accent));
}

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

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg-dark-primary);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* Page Containers */
.page-container {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    background: transparent;
}

/* Cards and Panels */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), var(--shadow-glow);
    border-color: var(--accent-blue);
}

.glass-card:hover::before {
    opacity: 1;
}

.card-header {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--border-dark);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--border-dark);
}

/* Buttons */
.btn {
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.6);
    color: white;
    text-decoration: none;
}

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

.btn-secondary:hover {
    background: var(--border-dark);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.6);
    color: white;
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 71, 87, 0.6);
    color: white;
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    position: relative;
    z-index: 1;
}

.btn-outline-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-blue);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-outline-primary:hover::before {
    left: 0;
}

.btn-outline-primary:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.4);
    text-decoration: none;
}

.btn-outline-danger {
    background: transparent;
    border: 2px solid var(--accent-red);
    color: var(--accent-red);
    position: relative;
    z-index: 1;
}

.btn-outline-danger::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-red);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-outline-danger:hover::before {
    left: 0;
}

.btn-outline-danger:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 71, 87, 0.4);
    text-decoration: none;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* Forms */
.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-dark);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 12px 16px;
    transition: all 0.3s ease;
    width: 100%;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    color: var(--text-primary);
    outline: none;
}

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

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: block;
}

.form-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* Tables */
.table {
    background: transparent;
    color: var(--text-primary);
    border-collapse: collapse;
    width: 100%;
}

.table th {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem;
    border-bottom: 2px solid var(--border-dark);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-dark);
    color: var(--text-secondary);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(255, 255, 255, 0.02);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Badges */
.badge {
    border-radius: 20px;
    padding: 6px 14px;
    font-weight: 600;
    font-size: 0.75rem;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bg-primary, .badge.bg-primary {
    background: var(--gradient-primary) !important;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.bg-secondary, .badge.bg-secondary {
    background: var(--gradient-secondary) !important;
    color: var(--text-primary);
}

.bg-success, .badge.bg-success {
    background: var(--gradient-success) !important;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.4);
}

.bg-danger, .badge.bg-danger {
    background: var(--gradient-danger) !important;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
}

.bg-warning, .badge.bg-warning {
    background: var(--gradient-warning) !important;
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 165, 2, 0.4);
}

.bg-info, .badge.bg-info {
    background: var(--gradient-info) !important;
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 15px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(20px);
    position: relative;
}

.alert-danger {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: #ff6b7a;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: #4ade80;
}

.alert-warning {
    background: rgba(255, 165, 2, 0.1);
    border: 1px solid rgba(255, 165, 2, 0.3);
    color: #fbbf24;
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: #38bdf8;
}

/* Modals */
.modal-content {
    background: var(--bg-dark-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
}

.modal-header {
    border-bottom: 1px solid var(--border-dark);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px 20px 0 0;
}

.modal-title {
    color: var(--text-primary);
    font-weight: 700;
}

.modal-body {
    color: var(--text-secondary);
}

.modal-footer {
    border-top: 1px solid var(--border-dark);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 0 0 20px 20px;
}

.btn-close {
    filter: invert(1);
    opacity: 0.8;
}

.btn-close:hover {
    opacity: 1;
}

/* Navigation */
.navbar-dark {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 2px;
}

.nav-link:hover {
    color: var(--accent-blue) !important;
    background: rgba(0, 212, 255, 0.1);
}

.nav-link.active {
    color: var(--accent-blue) !important;
    background: rgba(0, 212, 255, 0.2);
}

/* Loading States */
.loading-spinner {
    display: flex;
    justify-content: center;
    padding: 3rem;
}

.spinner-border {
    border-color: var(--accent-blue);
    border-right-color: transparent;
}

/* Text Utilities */
.text-primary {
    color: var(--text-primary) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

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

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

/* Utility Classes */
.gradient-border {
    position: relative;
}

.gradient-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.pulse {
    animation: pulse 2s infinite;
}

.float {
    animation: float 6s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .page-container {
        padding: 1rem;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    .page-container {
        padding: 0.5rem;
    }
    
    .glass-card {
        border-radius: 15px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.875rem;
    }
}