/* =============================================================================
   PhantriumFlow - Design System v2.0
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --accent: #a855f7;
    --accent-glow: rgba(168, 85, 247, 0.3);
    --secondary: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --success: #22c55e;
    --cyan: #06b6d4;

    /* Dark theme */
    --bg-dark: #060611;
    --bg-darker: #030308;
    --bg-card: rgba(15, 15, 35, 0.8);
    --bg-card-solid: #0f0f23;
    --bg-card-hover: #1a1a3e;
    --bg-input: rgba(255,255,255,0.04);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);

    --text-primary: #f1f5f9;
    --text-secondary: rgba(255,255,255,0.7);
    --text-muted: rgba(255,255,255,0.4);

    --border: rgba(255,255,255,0.08);
    --border-hover: rgba(255,255,255,0.15);
    --border-focus: var(--primary);
    --border-glow: rgba(99, 102, 241, 0.3);

    /* Spacing */
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-sm: 8px;

    /* Shadows */
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    --shadow-glow-lg: 0 0 80px rgba(99, 102, 241, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =============================================================================
   Animated Background
   ============================================================================= */

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.bg-glow-1 {
    top: -200px;
    right: -100px;
    background: var(--primary);
    animation: floatGlow 15s ease-in-out infinite;
}

.bg-glow-2 {
    bottom: -200px;
    left: -100px;
    background: var(--accent);
    animation: floatGlow 20s ease-in-out infinite reverse;
}

.bg-glow-3 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary) 0%, var(--accent) 100%);
    opacity: 0.05;
    animation: pulseGlow 10s ease-in-out infinite;
}

@keyframes floatGlow {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -40px); }
    66% { transform: translate(-20px, 30px); }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.04; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.08; transform: translate(-50%, -50%) scale(1.1); }
}

/* =============================================================================
   Scroll Animations
   ============================================================================= */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* =============================================================================
   Layout
   ============================================================================= */

.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-card-solid);
    border-right: 1px solid var(--border);
    padding: 25px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 50;
    backdrop-filter: blur(20px);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
    position: relative;
    z-index: 1;
}

/* =============================================================================
   Sidebar
   ============================================================================= */

.sidebar-logo {
    padding: 0 25px 30px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.sidebar-logo h1 {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo span {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    display: block;
    margin-top: 5px;
    -webkit-text-fill-color: var(--text-muted);
}

.nav-section {
    margin-bottom: 25px;
}

.nav-section-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 0 25px;
    margin-bottom: 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 25px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
}

.nav-item.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-item i {
    width: 20px;
    font-size: 16px;
}

/* =============================================================================
   Header
   ============================================================================= */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 5px;
}

/* =============================================================================
   Cards - Glassmorphism
   ============================================================================= */

.card {
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 25px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-glow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i {
    color: var(--primary);
}

/* =============================================================================
   Stats Grid
   ============================================================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-glass);
    border-radius: var(--radius);
    padding: 25px;
    border: 1px solid var(--border);
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

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

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 15px;
}

.stat-icon.primary { background: rgba(99, 102, 241, 0.15); color: var(--primary); }
.stat-icon.success { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

.stat-value {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 5px;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-muted);
    font-size: 14px;
}

/* =============================================================================
   Tables
   ============================================================================= */

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 15px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border);
}

tr:hover td {
    background: var(--bg-glass-hover);
}

/* =============================================================================
   Buttons
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #16a34a 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
    border-radius: 12px;
}

/* =============================================================================
   Forms
   ============================================================================= */

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: rgba(255,255,255,0.06);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* =============================================================================
   Badges
   ============================================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-primary { background: rgba(99, 102, 241, 0.15); color: var(--primary); }

/* =============================================================================
   License Card
   ============================================================================= */

.license-card {
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 50%, var(--accent) 100%);
    border-radius: var(--radius-lg);
    padding: 30px;
    color: white;
    position: relative;
    overflow: hidden;
}

.license-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.license-type {
    font-size: 14px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.license-key {
    font-size: 28px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin: 15px 0;
}

.license-dates {
    display: flex;
    gap: 40px;
    margin-top: 20px;
}

.license-date-item span {
    display: block;
    font-size: 12px;
    opacity: 0.7;
}

.license-date-item strong {
    font-size: 16px;
}

/* =============================================================================
   Alerts
   ============================================================================= */

.alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(10px);
}

.alert-success { background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.3); color: var(--success); }
.alert-warning { background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.3); color: var(--warning); }
.alert-danger { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--danger); }
.alert-info { background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.3); color: var(--primary-light); }

/* =============================================================================
   Responsive - Tablet (iPad)
   ============================================================================= */

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }

    .main-content {
        margin-left: 220px;
        padding: 24px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-value {
        font-size: 26px;
    }
}

/* =============================================================================
   Responsive - Mobile
   ============================================================================= */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -260px;
        width: 260px;
        transition: left 0.3s ease;
        z-index: 100;
        box-shadow: none;
    }

    .sidebar.open {
        left: 0;
        box-shadow: 10px 0 40px rgba(0, 0, 0, 0.5);
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
    }

    .mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px;
        background: var(--bg-card-solid);
        border-bottom: 1px solid var(--border);
        margin: -16px -16px 20px;
        position: sticky;
        top: 0;
        z-index: 50;
    }

    .mobile-header .nav-logo {
        font-size: 20px;
    }

    .mobile-menu-btn {
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 22px;
        cursor: pointer;
        padding: 8px;
    }

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
        display: none;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 20px;
    }

    .page-title {
        font-size: 22px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
        border-radius: 10px;
        margin-bottom: 10px;
    }

    .stat-value {
        font-size: 24px;
    }

    .stat-label {
        font-size: 12px;
    }

    .card {
        padding: 16px;
        border-radius: var(--radius);
        margin-bottom: 16px;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .card-title {
        font-size: 16px;
    }

    table {
        font-size: 13px;
    }

    th, td {
        padding: 10px 8px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 10px 18px;
        font-size: 13px;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 15px;
    }

    .alert {
        font-size: 13px;
        padding: 12px 14px;
    }

    .license-card {
        padding: 20px;
    }

    .license-key {
        font-size: 18px;
        word-break: break-all;
    }

    .license-dates {
        flex-direction: column;
        gap: 16px;
    }
}

/* =============================================================================
   Responsive - Small Mobile
   ============================================================================= */

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .stat-icon {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .badge {
        font-size: 11px;
        padding: 3px 8px;
    }

    th:nth-child(n+4),
    td:nth-child(n+4) {
        display: none;
    }
}