/**
 * ICorNet Modern Design System
 * Light Theme + Dark Mode Support
 * Inspired by Linear, Stripe, Vercel aesthetics
 */

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

/* ================================================
   CSS CUSTOM PROPERTIES - DESIGN TOKENS
   ================================================ */

:root {
    /* === Primary Colors === */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;

    /* === Semantic Colors === */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    /* === Light Theme Colors === */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f4f4f5;
    --bg-elevated: #ffffff;

    --text-primary: #18181b;
    --text-secondary: #3f3f46;
    --text-muted: #71717a;
    --text-light: #a1a1aa;

    --border-primary: rgba(0, 0, 0, 0.08);
    --border-secondary: rgba(0, 0, 0, 0.05);

    /* === Glassmorphism === */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-blur: 20px;

    /* === Sidebar Specific === */
    --sidebar-bg: rgba(255, 255, 255, 0.9);
    --sidebar-border: rgba(99, 102, 241, 0.1);
    --sidebar-item-hover: rgba(99, 102, 241, 0.08);
    --sidebar-item-active: rgba(99, 102, 241, 0.12);

    /* === Gradients === */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-mesh:
        radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.06) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(139, 92, 246, 0.06) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(6, 182, 212, 0.04) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(168, 85, 247, 0.06) 0px, transparent 50%);

    /* === Shadows & Glows === */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    --glow-primary: 0 4px 30px rgba(99, 102, 241, 0.25);
    --glow-hover: 0 8px 40px rgba(99, 102, 241, 0.35);

    /* === Typography === */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* === Spacing & Sizing === */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* === Transitions === */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ================================================
   DARK MODE
   ================================================ */

[data-theme="dark"] {
    --bg-primary: #0f0f10;
    --bg-secondary: #18181b;
    --bg-tertiary: #27272a;
    --bg-elevated: #1f1f23;

    --text-primary: #fafafa;
    --text-secondary: #d4d4d8;
    --text-muted: #a1a1aa;
    --text-light: #71717a;

    --border-primary: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.05);

    /* Dark glassmorphism */
    --glass-bg: rgba(15, 15, 16, 0.8);
    --glass-bg-hover: rgba(24, 24, 27, 0.9);
    --glass-border: rgba(255, 255, 255, 0.08);

    --sidebar-bg: rgba(15, 15, 16, 0.95);
    --sidebar-border: rgba(99, 102, 241, 0.2);
    --sidebar-item-hover: rgba(99, 102, 241, 0.15);
    --sidebar-item-active: rgba(99, 102, 241, 0.25);

    --gradient-mesh:
        radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(139, 92, 246, 0.12) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(6, 182, 212, 0.08) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(168, 85, 247, 0.12) 0px, transparent 50%);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.6);
}

/* ================================================
   BASE STYLES
   ================================================ */

body.modern-app {
    font-family: var(--font-sans);
    background: var(--bg-secondary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.modern-app::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
    z-index: -1;
}

/* ================================================
   GLASSMORPHISM UTILITIES
   ================================================ */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.glass-sidebar {
    background: var(--sidebar-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-right: 1px solid var(--sidebar-border);
}

/* ================================================
   MODERN CARD COMPONENT
   ================================================ */

.modern-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.modern-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.modern-card-header {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

.modern-card-stat .icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-primary);
}

.modern-card-stat .icon-wrapper svg,
.modern-card-stat .icon-wrapper i {
    width: 24px;
    height: 24px;
    color: white;
}

.modern-card-stat .stat-content .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.modern-card-stat .stat-content .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

/* ================================================
   MODERN BUTTONS
   ================================================ */

.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    gap: 8px;
}

.btn-modern-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--glow-primary);
}

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

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

.btn-modern-secondary:hover {
    background: var(--glass-bg-hover);
    border-color: var(--primary);
}

.btn-modern-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-modern-ghost:hover {
    background: var(--sidebar-item-hover);
    color: var(--primary);
}

/* ================================================
   MODERN FORM INPUTS
   ================================================ */

.input-modern {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-base);
    outline: none;
}

.input-modern::placeholder {
    color: var(--text-light);
}

.input-modern:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.input-modern:hover:not(:focus) {
    border-color: var(--text-muted);
}

.input-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* ================================================
   MODERN SIDEBAR STYLES
   ================================================ */

.sidebar-modern {
    background: var(--sidebar-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-right: 1px solid var(--sidebar-border);
    transition: all var(--transition-base);
}

.sidebar-item {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    margin: 2px 8px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.sidebar-item:hover {
    background: var(--sidebar-item-hover);
    color: var(--primary);
}

.sidebar-item.active {
    background: var(--sidebar-item-active);
    color: var(--primary);
    font-weight: 600;
}

.sidebar-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 0 2px 2px 0;
}

.sidebar-item-icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    opacity: 0.85;
    transition: all var(--transition-fast);
}

.sidebar-item:hover .sidebar-item-icon {
    opacity: 1;
}

/* ================================================
   MODERN TABS
   ================================================ */

.tabs-modern {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.tab-modern {
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-modern:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
}

.tab-modern.active {
    color: var(--primary);
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

/* Underline variant */
.tabs-underline {
    display: flex;
    gap: 24px;
    border-bottom: 1px solid var(--border-primary);
}

.tab-underline {
    padding: 12px 4px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-underline:hover {
    color: var(--text-primary);
}

.tab-underline.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ================================================
   MODERN TABLE
   ================================================ */

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

.table-modern thead {
    background: var(--bg-tertiary);
}

.table-modern th {
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

.table-modern th:first-child {
    border-radius: var(--radius-md) 0 0 0;
}

.table-modern th:last-child {
    border-radius: 0 var(--radius-md) 0 0;
}

.table-modern td {
    padding: 14px 16px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-secondary);
}

.table-modern tbody tr {
    transition: all var(--transition-fast);
}

.table-modern tbody tr:hover {
    background: var(--sidebar-item-hover);
}

/* ================================================
   MODERN BADGES
   ================================================ */

.badge-modern {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    gap: 4px;
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: #d97706;
}

.badge-error {
    background: var(--error-light);
    color: var(--error);
}

.badge-info {
    background: var(--info-light);
    color: var(--info);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
}

[data-theme="dark"] .badge-success {
    background: rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .badge-warning {
    background: rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .badge-error {
    background: rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .badge-info {
    background: rgba(59, 130, 246, 0.2);
}

/* ================================================
   MODERN TOAST NOTIFICATIONS
   ================================================ */

.toast-modern {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    animation: toastSlideIn var(--transition-base) ease-out;
}

.toast-modern.success {
    border-left: 4px solid var(--success);
}

.toast-modern.error {
    border-left: 4px solid var(--error);
}

.toast-modern.warning {
    border-left: 4px solid var(--warning);
}

.toast-modern.info {
    border-left: 4px solid var(--info);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ================================================
   MODERN MODAL
   ================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn var(--transition-fast) ease-out;
}

.modal-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    animation: modalSlideIn var(--transition-base) ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ================================================
   DARK MODE TOGGLE
   ================================================ */

.theme-toggle {
    width: 48px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    padding: 2px;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid var(--border-primary);
}

.theme-toggle-knob {
    width: 20px;
    height: 20px;
    background: var(--bg-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .theme-toggle {
    background: var(--primary);
}

[data-theme="dark"] .theme-toggle-knob {
    transform: translateX(24px);
}

/* ================================================
   ANIMATIONS
   ================================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.animate-fadeInUp {
    animation: fadeInUp var(--transition-slow) ease-out;
}

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

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg,
            var(--bg-tertiary) 25%,
            var(--bg-secondary) 50%,
            var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ================================================
   UTILITY CLASSES
   ================================================ */

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

.glow {
    box-shadow: var(--glow-primary);
}

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

.rounded-modern {
    border-radius: var(--radius-lg);
}

.rounded-modern-xl {
    border-radius: var(--radius-xl);
}

.transition-all-modern {
    transition: all var(--transition-base);
}

/* Hide scrollbar but keep scrolling */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* ================================================
   RESPONSIVE ADJUSTMENTS
   ================================================ */

@media (max-width: 768px) {
    .modern-card {
        padding: 16px;
        border-radius: var(--radius-lg);
    }

    .modern-card-stat .stat-content .stat-value {
        font-size: 1.5rem;
    }

    .tabs-modern {
        overflow-x: auto;
    }
}