/**
 * Design System - Sistema de Presupuestos
 * Variables CSS, utilidades y estilos globales
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
    /* Primary Colors */
    --color-primary: #2bee9d;
    --color-primary-hover: #25d38a;
    --color-primary-rgb: 43 238 157;
    --color-primary-light: rgba(43, 238, 157, 0.1);
    --color-primary-border: rgba(43, 238, 157, 0.2);
    --color-primary-glow: rgba(43, 238, 157, 0.4);

    /* Background Colors (Dark Theme) */
    --color-bg-dark: #0a0a0a;
    --color-bg-light: #f6f8f7;
    --color-surface: #141414;
    --color-surface-hover: #1a1a1a;
    --color-card: #121212;

    /* Border Colors */
    --color-border: #262626;
    --color-border-subtle: #1f1f1f;
    --color-border-light: rgba(255, 255, 255, 0.05);
    --color-border-hover: rgba(255, 255, 255, 0.1);

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a3a3a3;
    --color-text-tertiary: #737373;
    --color-text-muted: #888888;

    /* Status Colors */
    --color-success: #10b981;
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.1);
    --color-info: #3b82f6;
    --color-info-bg: rgba(59, 130, 246, 0.1);

    /* Badge Status Colors */
    --color-pending: #f59e0b;
    --color-pending-bg: rgba(245, 158, 11, 0.1);
    --color-accepted: #2bee9d;
    --color-accepted-bg: rgba(43, 238, 157, 0.1);
    --color-rejected: #ef4444;
    --color-rejected-bg: rgba(239, 68, 68, 0.1);
    --color-paid: #10b981;
    --color-paid-bg: rgba(16, 185, 129, 0.1);
    --color-draft: #6b7280;
    --color-draft-bg: rgba(107, 114, 128, 0.1);
    --color-overdue: #ef4444;
    --color-overdue-bg: rgba(239, 68, 68, 0.1);

    /* Category Colors */
    --color-cat-transport: #3b82f6;
    --color-cat-food: #f97316;
    --color-cat-services: #a855f7;
    --color-cat-software: #6366f1;
    --color-cat-marketing: #eab308;
    --color-cat-office: #84cc16;
    --color-cat-sales: #22c55e;
    --color-cat-professional: #06b6d4;
    --color-cat-other: #9ca3af;

    /* Spacing Scale */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */

    /* Border Radius */
    --radius-sm: 0.25rem;  /* 4px */
    --radius-md: 0.5rem;   /* 8px */
    --radius-lg: 0.75rem;  /* 12px */
    --radius-xl: 1rem;     /* 16px */
    --radius-2xl: 1.5rem;  /* 24px */
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;

    --font-size-xs: 0.625rem;   /* 10px */
    --font-size-sm: 0.75rem;    /* 12px */
    --font-size-base: 0.875rem; /* 14px */
    --font-size-lg: 1rem;       /* 16px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 2rem;      /* 32px */
    --font-size-4xl: 2.5rem;    /* 40px */
    --font-size-5xl: 3rem;      /* 48px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-primary: 0 0 20px var(--color-primary-glow-shadow, rgba(43, 238, 157, 0.3));
    --shadow-primary-lg: 0 0 40px var(--color-primary-glow-shadow-lg, rgba(43, 238, 157, 0.4));

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-sidebar: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index Scale */
    --z-dropdown: 50;
    --z-sticky: 100;
    --z-fixed: 200;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
    --z-toast: 700;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.5;
}

/* ==========================================================================
   Custom Scrollbar
   ========================================================================== */

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Thin scrollbar variant */
.scrollbar-thin::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

/* Firefox scrollbar */
.custom-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

/* ==========================================================================
   Glass & Panel Effects
   ========================================================================== */

.glass-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-header {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.glass-card {
    background: linear-gradient(145deg, rgba(20, 20, 20, 0.8) 0%, rgba(10, 10, 10, 0.8) 100%);
    border: 1px solid var(--color-border-subtle);
    transition: all var(--transition-slow);
}

.glass-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px var(--color-primary-light);
}

/* ==========================================================================
   Radial Glow Effects
   ========================================================================== */

.radial-glow {
    background: radial-gradient(circle, var(--color-primary-light) 0%, rgba(10, 10, 10, 0) 70%);
}

.radial-glow-danger {
    background: radial-gradient(circle, rgba(239, 68, 68, 0.12) 0%, rgba(10, 10, 10, 0) 70%);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

.btn-md {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-dark);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    filter: brightness(1.1);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-border-hover);
}

.btn-danger {
    background-color: transparent;
    color: var(--color-danger);
    border: 1px solid transparent;
}

.btn-danger:hover {
    background-color: var(--color-danger-bg);
    border-color: rgba(239, 68, 68, 0.2);
}

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

.btn-ghost:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    border: 1px solid;
}

.badge-pending {
    background-color: var(--color-pending-bg);
    color: var(--color-pending);
    border-color: rgba(245, 158, 11, 0.2);
}

.badge-accepted,
.badge-aceptado {
    background-color: var(--color-accepted-bg);
    color: var(--color-accepted);
    border-color: var(--color-primary-border);
}

.badge-rejected,
.badge-rechazado {
    background-color: var(--color-rejected-bg);
    color: var(--color-rejected);
    border-color: rgba(239, 68, 68, 0.2);
}

.badge-paid,
.badge-cobrado {
    background-color: var(--color-paid-bg);
    color: var(--color-paid);
    border-color: rgba(16, 185, 129, 0.2);
}

.badge-draft {
    background-color: var(--color-draft-bg);
    color: var(--color-draft);
    border-color: rgba(107, 114, 128, 0.2);
}

.badge-overdue {
    background-color: var(--color-overdue-bg);
    color: var(--color-overdue);
    border-color: rgba(239, 68, 68, 0.2);
}

/* Badge with dot indicator */
.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

/* ==========================================================================
   Form Inputs
   ========================================================================== */

.input {
    width: 100%;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    outline: none;
}

.input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

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

.input-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-lg);
}

.input-glow:focus {
    box-shadow: 0 0 15px var(--color-primary-light);
    border-color: var(--color-primary);
}

/* Select styling */
.select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23737373' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Checkbox styling */
.checkbox {
    width: 20px;
    height: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkbox:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.table-container {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--color-border);
}

.table td {
    padding: var(--space-5) var(--space-6);
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border-light);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Action buttons that appear on hover */
.table .action-btns {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.table tr:hover .action-btns {
    opacity: 1;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.card-stat {
    position: relative;
    overflow: hidden;
}

.card-stat::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 128px;
    height: 128px;
    background: var(--color-primary-light);
    border-radius: 50%;
    margin-right: -64px;
    margin-top: -64px;
    filter: blur(48px);
    transition: all var(--transition-slow);
    opacity: 0;
}

.card-stat:hover::before {
    opacity: 1;
}

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

.sidebar {
    width: 80px;
    transition: width var(--transition-sidebar);
    overflow: hidden;
}

.sidebar:hover,
.sidebar.expanded {
    width: 256px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.nav-item:hover {
    color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    border: 1px solid var(--color-primary-border);
}

.nav-item .material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
    transition: all var(--transition-slow);
}

.nav-item:hover .material-symbols-outlined,
.nav-item.active .material-symbols-outlined {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    color: var(--color-primary);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: var(--z-modal);
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-content {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-8);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-4);
    padding: var(--space-6) var(--space-8);
    border-top: 1px solid var(--color-border);
    background-color: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    animation: slide-in-right 0.3s ease;
}

.toast-success {
    border-color: var(--color-primary-glow);
}

.toast-success .toast-icon {
    color: var(--color-primary);
}

.toast-error {
    border-color: rgba(239, 68, 68, 0.3);
}

.toast-error .toast-icon {
    color: var(--color-danger);
}

.toast-warning {
    border-color: rgba(245, 158, 11, 0.3);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-info {
    border-color: rgba(59, 130, 246, 0.3);
}

.toast-info .toast-icon {
    color: var(--color-info);
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.loading-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-fixed);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-surface) 25%,
        var(--color-card) 50%,
        var(--color-surface) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

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

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@keyframes slide-in-right {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scale-in {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.95);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* Animation utilities */
.animate-fade-in {
    animation: fade-in var(--transition-slow) ease;
}

.animate-slide-up {
    animation: slide-in-up var(--transition-slow) ease;
}

.animate-scale-in {
    animation: scale-in var(--transition-slow) ease;
}

/* Pulse dot indicator */
.pulse-dot {
    position: relative;
}

.pulse-dot::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulse-ring 1.5s ease-out infinite;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Text colors */
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }

/* Background colors */
.bg-surface { background-color: var(--color-surface); }
.bg-card { background-color: var(--color-card); }
.bg-primary-light { background-color: var(--color-primary-light); }

/* Border utilities */
.border-primary { border-color: var(--color-primary); }
.border-subtle { border-color: var(--color-border-subtle); }

/* Font weights */
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

/* Font family */
.font-mono { font-family: var(--font-mono); }

/* Tracking (letter-spacing) */
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

/* Tabular numbers for prices/data */
.tabular-nums {
    font-variant-numeric: tabular-nums;
}

/* Truncate text */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Focus ring */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-bg-dark), 0 0 0 4px var(--color-primary);
}

/* Visually hidden but accessible */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Dot pattern background */
.pattern-dots {
    background-size: 40px 40px;
    background-image: radial-gradient(circle, var(--color-border-subtle) 1px, transparent 1px);
}

/* Dashed line (for connections) */
.dashed-line {
    background-image: linear-gradient(to right, var(--color-primary) 50%, transparent 50%);
    background-size: 12px 2px;
    background-repeat: repeat-x;
}

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }

    .modal {
        width: calc(100% - 2rem);
        max-width: none;
    }

    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
        bottom: var(--space-4);
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ==========================================================================
   Enhanced Button Variants
   ========================================================================== */

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.btn-icon.active,
.btn-icon:active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.btn-icon-sm {
    width: 32px;
    height: 32px;
}

.btn-icon-lg {
    width: 48px;
    height: 48px;
}

/* Button with glow effect */
.btn-glow {
    box-shadow: var(--shadow-primary);
}

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

/* ==========================================================================
   Toggle Switch
   ========================================================================== */

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-normal);
}

.toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-normal);
}

.toggle.active,
.toggle:checked {
    background: var(--color-primary);
}

.toggle.active::after,
.toggle:checked::after {
    transform: translateX(20px);
}

/* ==========================================================================
   Avatar Component
   ========================================================================== */

.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
}

.avatar-md {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-sm);
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: var(--font-size-lg);
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-2xl);
}

.avatar-circle {
    border-radius: 50%;
}

/* Avatar with status indicator */
.avatar-status {
    position: relative;
}

.avatar-status::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: var(--color-success);
    border: 2px solid var(--color-bg-dark);
    border-radius: 50%;
}

.avatar-status.offline::after {
    background: var(--color-text-muted);
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */

.progress {
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar-success {
    background: var(--color-success);
}

.progress-bar-warning {
    background: var(--color-warning);
}

.progress-bar-danger {
    background: var(--color-danger);
}

/* Animated progress bar */
.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

/* ==========================================================================
   Tabs Component
   ========================================================================== */

.tabs {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-1);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.tab {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

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

.tab.active {
    background: var(--color-primary);
    color: var(--color-bg-dark);
}

/* Underline tabs variant */
.tabs-underline {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    padding: 0;
    gap: var(--space-6);
}

.tabs-underline .tab {
    border-radius: 0;
    padding: var(--space-4) 0;
    position: relative;
}

.tabs-underline .tab.active {
    background: transparent;
    color: var(--color-primary);
}

.tabs-underline .tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

/* ==========================================================================
   Chip/Tag Component
   ========================================================================== */

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

.chip-primary {
    background: var(--color-primary-light);
    border-color: var(--color-primary-border);
    color: var(--color-primary);
}

.chip-removable {
    padding-right: var(--space-2);
}

.chip-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.chip-remove:hover {
    opacity: 1;
}

/* ==========================================================================
   Empty State Component
   ========================================================================== */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    text-align: center;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-2xl);
    color: var(--color-primary);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 400px;
    margin-bottom: var(--space-6);
}

/* ==========================================================================
   Notification Badge (for icons)
   ========================================================================== */

.notification-badge {
    position: relative;
}

.notification-badge::after {
    content: attr(data-count);
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 var(--space-1);
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    line-height: 18px;
    text-align: center;
    color: white;
    background: var(--color-danger);
    border-radius: var(--radius-full);
}

.notification-badge.primary::after {
    background: var(--color-primary);
    color: var(--color-bg-dark);
}

/* Dot only (no count) */
.notification-dot::after {
    content: '';
    width: 8px;
    height: 8px;
    min-width: unset;
    padding: 0;
}

/* ==========================================================================
   Search Input
   ========================================================================== */

.search-input {
    position: relative;
}

.search-input input {
    width: 100%;
    padding-left: 44px;
}

.search-input .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.search-input .search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.search-input input:not(:placeholder-shown) + .search-icon + .search-clear,
.search-input input:focus + .search-icon + .search-clear {
    opacity: 1;
}

.search-input .search-clear:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

/* ==========================================================================
   Divider
   ========================================================================== */

.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-4) 0;
}

.divider-vertical {
    width: 1px;
    height: auto;
    margin: 0 var(--space-4);
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* ==========================================================================
   Dropdown Menu Styles
   ========================================================================== */

.dropdown-menu {
    min-width: 180px;
    padding: var(--space-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.dropdown-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.dropdown-item.danger {
    color: var(--color-danger);
}

.dropdown-item.danger:hover {
    background: var(--color-danger-bg);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-2) 0;
}

.dropdown-header {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Info Box / Alert Component
   ========================================================================== */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-xl);
    border: 1px solid;
}

.alert-icon {
    flex-shrink: 0;
    font-size: 20px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-1);
}

.alert-message {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.alert-info {
    background: var(--color-info-bg);
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--color-info);
}

.alert-success {
    background: var(--color-success-bg);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.alert-warning {
    background: var(--color-warning-bg);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.alert-danger {
    background: var(--color-danger-bg);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

/* ==========================================================================
   Stats Card Enhancements
   ========================================================================== */

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
}

.stat-change-up {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.stat-change-down {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

/* ==========================================================================
   Material Symbols Icon Styling
   ========================================================================== */

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}

.icon-filled {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.icon-light {
    font-variation-settings: 'FILL' 0, 'wght' 200, 'GRAD' 0, 'opsz' 24;
}

.icon-bold {
    font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .glass-panel,
    .glass-card {
        background: white;
        border: 1px solid #ddd;
        backdrop-filter: none;
    }

    .btn-primary {
        background: #2bee9d;
        box-shadow: none;
    }
}