/* 🚀 УНИВЕРСАЛЬНЫЙ КРУТОЙ ДИЗАЙН ИЗ RUST ВЕРСИИ */

/* 🎨 ПРЕМИУМ ТЕМНАЯ ПАЛИТРА (из Rust версии) */
:root {
    --premium-font: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --accent-font: 'Orbitron', monospace;
    --primary-gradient: linear-gradient(135deg, #8B45FF, #3B82F6);
    --secondary-gradient: linear-gradient(135deg, #10B981, #059669);
    --accent-gradient: linear-gradient(135deg, #F59E0B, #F97316);
    --danger-gradient: linear-gradient(135deg, #EF4444, #DC2626);
    
    --background-primary: #0a0a1a;
    --background-secondary: #1a1a2e;
    --background-tertiary: #16213e;
    
    --surface-primary: rgba(255, 255, 255, 0.05);
    --surface-secondary: rgba(255, 255, 255, 0.1);
    --surface-tertiary: rgba(255, 255, 255, 0.15);
    
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(139, 69, 255, 0.3);
    
    --shadow-primary: 0 15px 50px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 60px rgba(139, 69, 255, 0.2);
    --shadow-glow: 0 0 30px rgba(139, 69, 255, 0.4);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--premium-font);
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 50%, var(--background-tertiary) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* 🌟 АНИМИРОВАННЫЙ ФОН */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(139, 69, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    animation: background-shift 20s ease-in-out infinite;
    z-index: -1;
}

@keyframes background-shift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-20px, -10px) scale(1.02); }
    66% { transform: translate(10px, -20px) scale(0.98); }
}

/* 🎯 КОНТЕЙНЕРЫ */
.page-container, .dashboard-container, .main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

/* 🏆 ЗАГОЛОВКИ СТРАНИЦ */
.page-title, .dashboard-title, h1, h2 {
    font-family: var(--accent-font);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 2rem;
    background: var(--primary-gradient);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 8s ease-in-out infinite;
    text-align: center;
    position: relative;
}

.page-title::after, .dashboard-title::after, h1::after, h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
    animation: underline-expand 2s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes underline-expand {
    0%, 100% { width: 100px; }
    50% { width: 150px; }
}

/* 🔥 КАРТОЧКИ И БЛОКИ */
.card, .dashboard-card, .content-card, .form-container, .stats-card, .info-card {
    background: var(--surface-primary);
    backdrop-filter: blur(30px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    animation: card-appear 0.8s ease-out forwards;
}

@keyframes card-appear {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card::before, .dashboard-card::before, .content-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, rgba(139, 69, 255, 0.1), transparent);
    animation: rotate-border 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before, .dashboard-card:hover::before, .content-card:hover::before {
    opacity: 1;
}

@keyframes rotate-border {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.card:hover, .dashboard-card:hover, .content-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px rgba(139, 69, 255, 0.2);
    border-color: var(--border-hover);
}

/* 🚀 КНОПКИ */
.btn, .btn-primary, .btn-secondary, .btn-success, .btn-danger, .btn-warning, .btn-info,
button, input[type="submit"], input[type="button"] {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-bounce);
    cursor: pointer;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    font-family: var(--premium-font);
}

.btn-primary, input[type="submit"] {
    background: var(--primary-gradient);
    background-size: 300% 300%;
    color: var(--text-primary);
    box-shadow: var(--shadow-hover);
    animation: gradient-shift 6s ease-in-out infinite;
}

.btn-primary:hover, input[type="submit"]:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 25px 50px rgba(139, 69, 255, 0.4);
    filter: brightness(1.2);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(59, 130, 246, 0.6);
    backdrop-filter: blur(20px);
}

.btn-secondary:hover {
    border-color: #3B82F6;
    background: rgba(59, 130, 246, 0.15);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.3);
}

.btn-success {
    background: var(--secondary-gradient);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger-gradient);
    color: var(--text-primary);
}

.btn-warning {
    background: var(--accent-gradient);
    color: var(--text-primary);
}

/* 📝 ФОРМЫ */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control, input[type="text"], input[type="email"], input[type="password"], 
input[type="tel"], input[type="number"], textarea, select {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    font-family: var(--premium-font);
}

.form-control:focus, input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #8B45FF;
    box-shadow: 0 0 0 3px rgba(139, 69, 255, 0.1);
    transform: translateY(-2px);
}

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

/* 📊 ТАБЛИЦЫ */
.table, table {
    width: 100%;
    background: var(--surface-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

.table th, table th {
    background: var(--primary-gradient);
    color: var(--text-primary);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

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

.table tr:hover, table tr:hover {
    background: var(--surface-secondary);
}

/* 🎯 СТАТИСТИКА */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--surface-primary);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--secondary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover::before {
    opacity: 0.05;
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-hover);
    border-color: #10B981;
}

.stat-value {
    font-family: var(--accent-font);
    font-size: 2.5rem;
    font-weight: 800;
    color: #10B981;
    margin-bottom: 0.5rem;
    animation: count-up 2s ease-out;
}

@keyframes count-up {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 🌟 LOADING АНИМАЦИЯ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 1s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    font-family: var(--accent-font);
    font-size: 2rem;
    color: var(--text-primary);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

/* 🎨 АЛЕРТЫ И УВЕДОМЛЕНИЯ */
.alert, .notification {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border: 1px solid transparent;
    backdrop-filter: blur(20px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: #10B981;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #EF4444;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #F59E0B;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3B82F6;
}

/* 📱 АДАПТИВНОСТЬ */
@media (max-width: 768px) {
    .page-container, .dashboard-container, .main-container {
        padding: 1rem;
    }

    .page-title, .dashboard-title, h1, h2 {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .card, .dashboard-card, .content-card {
        padding: 1.5rem;
    }

    .btn, .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .table, table {
        font-size: 0.9rem;
    }

    .table th, .table td, table th, table td {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .page-container, .dashboard-container, .main-container {
        padding: 0.5rem;
    }

    .card, .dashboard-card, .content-card {
        padding: 1rem;
    }

    .btn, .btn-primary, .btn-secondary {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

/* 🎯 ДОПОЛНИТЕЛЬНЫЕ ЭФФЕКТЫ */
.fade-in {
    animation: fade-in 0.8s ease-out;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in-left {
    animation: slide-in-left 0.8s ease-out;
}

@keyframes slide-in-left {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.slide-in-right {
    animation: slide-in-right 0.8s ease-out;
}

@keyframes slide-in-right {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* 🌟 HOVER ЭФФЕКТЫ ТОЛЬКО НА DESKTOP */
@media (hover: hover) {
    .card:hover, .dashboard-card:hover, .content-card:hover {
        filter: brightness(1.05);
    }
    
    .btn:hover, .btn-primary:hover, .btn-secondary:hover {
        filter: brightness(1.1);
    }
}