/* ═══════════════════════════════════════════════════════════════
   NEBULA THEME - Modern SaaS Dashboard
   Deep Space Design with Glassmorphism & Gradient Magic
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* Nebula Colors - Deep Space Palette */
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary: #8B5CF6;
    --accent: #EC4899;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Backgrounds */
    --bg-main: linear-gradient(135deg, #0F172A 0%, #1E1B4B 50%, #312E81 100%);
    --bg-sidebar: rgba(15, 23, 42, 0.95);
    --bg-card: rgba(30, 41, 59, 0.6);
    --bg-card-hover: rgba(51, 65, 85, 0.8);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Text */
    --text-main: #F1F5F9;
    --text-muted: #94A3B8;
    --text-dim: #64748B;
    
    /* Shadows */
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* ═══════════════════════════════════════════════════════════════
   GLOBAL STYLES
   ═══════════════════════════════════════════════════════════════ */

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--text-main);
}

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* ═══════════════════════════════════════════════════════════════
   CARDS & CONTAINERS
   ═══════════════════════════════════════════════════════════════ */

.nebula-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nebula-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.nebula-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--glass-border);
}

.nebula-card-title {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */

.btn-nebula {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn-nebula::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-nebula:hover::before {
    width: 300px;
    height: 300px;
}

.btn-nebula-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-nebula-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.6);
}

.btn-nebula-success {
    background: linear-gradient(135deg, #10B981, #059669);
    color: white;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}

.btn-nebula-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.6);
}

.btn-nebula-danger {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: white;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
}

.btn-nebula-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.6);
}

.btn-nebula-ghost {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-nebula-ghost:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

/* Icon Button */
.btn-icon-nebula {
    width: 48px;
    height: 48px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon-nebula:hover {
    background: var(--bg-card-hover);
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

/* ═══════════════════════════════════════════════════════════════
   STAT CARDS
   ═══════════════════════════════════════════════════════════════ */

.stat-card-nebula {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card-nebula::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.stat-card-nebula:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
}

.stat-icon-nebula {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 16px;
    position: relative;
}

.stat-icon-nebula::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 16px;
    background: inherit;
    opacity: 0.3;
    filter: blur(12px);
    z-index: -1;
}

.stat-icon-primary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--primary-light);
}

.stat-icon-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
    color: #34D399;
}

.stat-icon-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.2));
    color: #FBBF24;
}

.stat-icon-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(220, 38, 38, 0.2));
    color: #F87171;
}

.stat-value-nebula {
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label-nebula {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    margin-top: 12px;
}

.trend-up {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
}

.trend-down {
    background: rgba(239, 68, 68, 0.2);
    color: #F87171;
}

/* ═══════════════════════════════════════════════════════════════
   BADGES
   ═══════════════════════════════════════════════════════════════ */

.badge-nebula {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--primary-light);
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.3);
    color: #34D399;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.3);
    color: #FBBF24;
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.3);
    color: #F87171;
}

/* ═══════════════════════════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════════════════════════ */

.table-nebula {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-nebula thead {
    background: rgba(15, 23, 42, 0.5);
}

.table-nebula thead th {
    padding: 16px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--glass-border);
    text-align: left;
}

.table-nebula tbody tr {
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--glass-border);
}

.table-nebula tbody tr:hover {
    background: var(--glass-bg);
}

.table-nebula tbody td {
    padding: 18px 16px;
    color: var(--text-main);
}

/* ═══════════════════════════════════════════════════════════════
   FORMS
   ═══════════════════════════════════════════════════════════════ */

.input-nebula {
    width: 100%;
    padding: 14px 18px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.input-nebula:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.input-nebula::placeholder {
    color: var(--text-dim);
}

.select-nebula {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2394A3B8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 14px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 45px;
}

/* ═══════════════════════════════════════════════════════════════
   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% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
    }
}

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

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

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

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

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

/* Skeleton Loading */
.skeleton-nebula {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
    border-radius: 12px;
}

/* ═══════════════════════════════════════════════════════════════
   ALERTS
   ═══════════════════════════════════════════════════════════════ */

.alert-nebula {
    padding: 18px 22px;
    border-radius: 14px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    border-left: 4px solid;
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--success);
    color: #34D399;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--error);
    color: #F87171;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--warning);
    color: #FBBF24;
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--info);
    color: #60A5FA;
}

/* ═══════════════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════ */

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.bg-gradient-success {
    background: linear-gradient(135deg, #10B981, #059669);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.bg-gradient-error {
    background: linear-gradient(135deg, #EF4444, #DC2626);
}

.shadow-nebula {
    box-shadow: var(--shadow-card);
}

.shadow-nebula-xl {
    box-shadow: var(--shadow-xl);
}

.glow-primary {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.glow-success {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.5);
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .nebula-card {
        padding: 18px;
        border-radius: 16px;
    }
    
    .stat-card-nebula {
        padding: 20px;
    }
    
    .stat-value-nebula {
        font-size: 28px;
    }
    
    .btn-nebula {
        padding: 10px 18px;
        font-size: 13px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-light), var(--secondary));
}