/* 🎨 PREMIUM DESIGN SYSTEM - ENTERPRISE GRADE */

/* ===== GLASSMORPHISM & PREMIUM EFFECTS ===== */
:root {
    /* Premium Color Palette */
    --premium-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --premium-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --premium-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --premium-warning: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --premium-danger: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-backdrop: blur(8px);
    
    /* Premium Shadows */
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.15);
    --shadow-active: 0 10px 20px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-premium: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ===== PREMIUM GLASS CARDS ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ===== PREMIUM BUTTONS ===== */
.btn-premium {
    background: var(--premium-primary);
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-family: var(--font-premium);
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-premium:active {
    transform: translateY(0);
    box-shadow: var(--shadow-active);
}

/* ===== PREMIUM INPUTS ===== */
.input-premium {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px 20px;
    font-family: var(--font-premium);
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    width: 100%;
}

.input-premium:focus {
    outline: none;
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 0.15);
}

.input-premium::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* ===== PREMIUM ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-slide-in-right {
    animation: slideInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ===== PREMIUM LOADING STATES ===== */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--premium-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== PREMIUM GRADIENTS ===== */
.gradient-text {
    background: var(--premium-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.gradient-border {
    position: relative;
    background: var(--bg-primary);
    border-radius: 12px;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: var(--premium-primary);
    border-radius: inherit;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

/* ===== PREMIUM TOOLTIPS ===== */
.tooltip-premium {
    position: relative;
    cursor: help;
}

.tooltip-premium::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tooltip-premium:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* ===== PREMIUM NOTIFICATIONS ===== */
.notification-premium {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-premium);
    position: relative;
    overflow: hidden;
}

.notification-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--premium-primary);
}

.notification-premium.success::before {
    background: var(--premium-success);
}

.notification-premium.warning::before {
    background: var(--premium-warning);
}

.notification-premium.danger::before {
    background: var(--premium-danger);
}

/* ===== PREMIUM TABLES ===== */
.table-premium {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.table-premium thead {
    background: rgba(255, 255, 255, 0.1);
}

.table-premium th {
    padding: 20px;
    font-family: var(--font-premium);
    font-weight: 600;
    color: var(--text-primary);
    border: none;
}

.table-premium td {
    padding: 16px 20px;
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* ===== PREMIUM MODALS ===== */
.modal-premium {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-premium);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-premium .modal-header {
    padding: 24px 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-premium .modal-body {
    padding: 24px;
}

.modal-premium .modal-footer {
    padding: 0 24px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ===== PREMIUM SIDEBAR ===== */
.sidebar-premium {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border-right: 1px solid var(--glass-border);
    box-shadow: var(--shadow-premium);
}

.sidebar-premium .nav-item {
    margin: 8px 16px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.sidebar-premium .nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.sidebar-premium .nav-item.active {
    background: var(--premium-primary);
    box-shadow: var(--shadow-premium);
}

/* ===== PREMIUM RESPONSIVE ===== */
@media (max-width: 768px) {
    .glass-card {
        border-radius: 16px;
        margin: 10px;
    }
    
    .btn-premium {
        padding: 14px 20px;
        font-size: 14px;
    }
    
    .input-premium {
        padding: 14px 16px;
    }
    
    .modal-premium {
        width: 95%;
        margin: 20px;
    }
}

/* ===== PREMIUM DARK MODE ===== */
[data-theme="dark"] {
    --glass-bg: rgba(0, 0, 0, 0.2);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .glass-card {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .input-premium {
    background: rgba(0, 0, 0, 0.2);
    color: white;
}

[data-theme="dark"] .input-premium::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* ===== PREMIUM MICRO-INTERACTIONS ===== */
.micro-bounce {
    transition: transform 0.2s ease;
}

.micro-bounce:active {
    transform: scale(0.95);
}

.micro-glow {
    transition: box-shadow 0.3s ease;
}

.micro-glow:hover {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.micro-slide {
    transition: transform 0.3s ease;
}

.micro-slide:hover {
    transform: translateX(5px);
}

/* ===== PREMIUM SCROLLBARS ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--premium-secondary);
}

/* ===== PREMIUM FOCUS STATES ===== */
.focus-premium:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.5);
}

/* ===== PREMIUM UTILITIES ===== */
.text-premium {
    font-family: var(--font-premium);
}

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

.bg-premium {
    background: var(--premium-primary);
}

.shadow-premium {
    box-shadow: var(--shadow-premium);
}

.rounded-premium {
    border-radius: 16px;
}

.backdrop-blur {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}