/* RAVN UI - Design Tokens */
:root {
    /* Neutral Palette (Slate) */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --gray-950: #020617;

    /* Semantic Colors */
    --primary: var(--gray-900);
    --primary-foreground: #ffffff;
    --background: #ffffff;
    --foreground: var(--gray-950);
    --card: #ffffff;
    --card-foreground: var(--gray-950);
    --muted: var(--gray-100);
    --muted-foreground: var(--gray-500);
    --accent: var(--gray-100);
    --accent-foreground: var(--gray-900);
    --destructive: #ef4444;
    --destructive-foreground: #ffffff;
    --border: var(--gray-200);
    --input: var(--gray-200);
    --ring: var(--gray-950);

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Tokens */
    --radius: 0.375rem;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Spacing Scale (4px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
}
/* RAVN UI - Base Styles & Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--space-8);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted-foreground); }

* {
    box-sizing: border-box;
    border-color: var(--border);
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

body {
    background-color: var(--background);
    color: var(--foreground);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0;
}

small {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}
/* RAVN UI - Components */

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--radius); font-size: 0.875rem; font-weight: 500;
    height: 2.25rem; padding: 0 1rem; cursor: pointer; transition: all 0.2s;
    border: 1px solid transparent; background: transparent; color: var(--foreground);
    gap: var(--space-2);
}
.btn-primary { background-color: var(--primary); color: var(--primary-foreground); }
.btn-success { background-color: var(--success); color: white; border-color: var(--success); }
.btn-danger { background-color: var(--error); color: white; border-color: var(--error); }
.btn-warning { background-color: var(--warning); color: white; border-color: var(--warning); }
.btn-info { background-color: var(--info); color: white; border-color: var(--info); }
.btn-outline { border-color: var(--border); }
.btn-outline:hover { background-color: var(--gray-100); }
.btn-ghost:hover { background-color: var(--gray-100); }
.btn-sm { height: 2rem; font-size: 0.75rem; padding: 0 0.75rem; }
.btn-lg { height: 2.75rem; padding: 0 1.5rem; }

/* Inputs */
.input {
    display: flex; height: 2.25rem; width: 100%; border-radius: var(--radius);
    border: 1px solid var(--border); background-color: var(--background);
    padding: 0 var(--space-3); font-size: 0.875rem; transition: all 0.2s;
    color: var(--foreground);
}
.input::placeholder { color: var(--muted-foreground); opacity: 0.7; }
.input:focus { outline: none; border-color: var(--ring); box-shadow: 0 0 0 2px rgba(0,0,0,0.05); }
.input:disabled { opacity: 0.5; cursor: not-allowed; background: var(--muted); }

.input-error { border-color: var(--error); }
.input-error:focus { border-color: var(--error); box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1); }
.input-success { border-color: var(--success); }
.input-success:focus { border-color: var(--success); box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.1); }
.input:user-invalid { border-color: var(--error); }
.input:user-valid { border-color: var(--success); }
.btn:disabled, .input:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* Cards */
.card { border-radius: var(--radius); border: 1px solid var(--border); background-color: var(--card); color: var(--card-foreground); overflow: hidden; }
.card-header { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-1); }
.card-content { padding: var(--space-6); padding-top: 0; }
.card-footer { padding: var(--space-6); padding-top: 0; display: flex; align-items: center; }

/* Badges */
.badge { display: inline-flex; align-items: center; border-radius: 9999px; border: 1px solid var(--border); padding: 0.125rem 0.625rem; font-size: 0.75rem; font-weight: 600; transition: all 0.2s; }
.badge-secondary { background-color: var(--gray-100); color: var(--gray-900); border-color: transparent; }
.badge-success { background-color: rgba(16, 185, 129, 0.1); color: var(--success); border-color: var(--success); }
.badge-danger { background-color: rgba(239, 68, 68, 0.1); color: var(--error); border-color: var(--error); }
.badge-warning { background-color: rgba(245, 158, 11, 0.1); color: var(--warning); border-color: var(--warning); }
.badge-info { background-color: rgba(59, 130, 246, 0.1); color: var(--info); border-color: var(--info); }

/* Avatars */
.avatar { display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background-color: var(--muted); overflow: hidden; width: 2.5rem; height: 2.5rem; font-size: 0.875rem; font-weight: 600; border: 1px solid var(--border); }

/* Tables */
.table-container { width: 100%; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.875rem; }
.table th { padding: var(--space-4); background: var(--muted); font-weight: 600; color: var(--muted-foreground); border-bottom: 1px solid var(--border); }
.table td { padding: var(--space-4); border-bottom: 1px solid var(--border); color: var(--foreground); }
.table tr:hover { background: var(--gray-50); }

/* Skeletons */
.skeleton { background: linear-gradient(90deg, var(--muted) 25%, var(--gray-200) 50%, var(--muted) 75%); background-size: 200% 100%; animation: skeleton-loading 1.5s infinite; border-radius: var(--radius); }
@keyframes skeleton-loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Switch */
.switch { appearance: none; width: 2.25rem; height: 1.25rem; background-color: var(--muted); border-radius: 9999px; position: relative; cursor: pointer; transition: background-color 0.2s; border: 1px solid var(--border); }
.switch:checked { background-color: var(--primary); border-color: var(--primary); }
.switch::after { content: ''; position: absolute; top: 2px; left: 2px; width: calc(1.25rem - 6px); height: calc(1.25rem - 6px); background: white; border-radius: 50%; transition: transform 0.2s; }
.switch:checked::after { transform: translateX(1rem); }

/* Status Indicators */
.status { display: inline-flex; align-items: center; gap: var(--space-2); font-size: 0.75rem; font-weight: 500; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-online { background-color: var(--success); }
.status-offline { background-color: var(--gray-400); }
.status-busy { background-color: var(--error); }

/* Accordion */
.accordion { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:last-child { border-bottom: none; }
.accordion-trigger {
    width: 100%; padding: var(--space-4); display: flex; justify-content: space-between;
    align-items: center; background: none; border: none; font-weight: 500; cursor: pointer; text-align: left;
}
.accordion-content { padding: 0 var(--space-4) var(--space-4) var(--space-4); font-size: 0.875rem; color: var(--muted-foreground); display: none; }
.accordion-item.open .accordion-content { display: block; }

/* Form Group */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.label { font-size: 0.75rem; font-weight: 600; color: var(--foreground); }
.helper-text { font-size: 0.7rem; color: var(--muted-foreground); }

/* Toasts */
.toast-container { position: fixed; bottom: var(--space-8); right: var(--space-8); display: flex; flex-direction: column; gap: var(--space-2); z-index: 1000; }
.toast {
    background: var(--foreground); color: var(--background); padding: var(--space-3) var(--space-6);
    border-radius: var(--radius); font-size: 0.85rem; font-weight: 600;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1); border: 1px solid var(--border);
}
[data-theme="dark"] .toast, [data-theme="midnight"] .toast, [data-theme="supabase"] .toast, [data-theme="linear"] .toast {
    background: white; color: black;
}
/* Alert */
.alert {
    padding: var(--space-4); border-radius: var(--radius); border: 1px solid var(--border);
    background: var(--muted); font-size: 0.875rem; display: flex; gap: var(--space-3);
    align-items: flex-start; color: var(--foreground);
}
.alert-success { border-color: var(--success); background: rgba(16, 185, 129, 0.05); color: var(--success); }
.alert-warning { border-color: var(--warning); background: rgba(245, 158, 11, 0.05); color: var(--warning); }
.alert-error { border-color: var(--error); background: rgba(239, 68, 68, 0.05); color: var(--error); }

/* Modal */
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; display: none; align-items: center; justify-content: center; z-index: 2000; }
.modal.open { display: flex; }
.modal-backdrop { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); }
.modal-content { position: relative; background: var(--background); border: 1px solid var(--border); border-radius: var(--radius); width: 90%; max-width: 500px; padding: var(--space-8); box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); animation: modal-scale 0.2s cubic-bezier(0.16,1,0.3,1); }
@keyframes modal-scale { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu { position: absolute; top: calc(100% + var(--space-2)); left: 0; min-width: 200px; background: var(--background); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-2); z-index: 100; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); display: none; }
.dropdown.open .dropdown-menu { display: block; }
.dropdown-item {
    display: block; width: 100%; padding: var(--space-2) var(--space-4);
    font-size: 0.875rem; color: var(--foreground); border-radius: calc(var(--radius) - 2px);
    transition: background 0.2s; text-align: left; border: none; background: none; cursor: pointer;
}
.dropdown-item:hover { background: var(--muted); }

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

/* Tooltip */
[data-tooltip] { position: relative; cursor: help; }
[data-tooltip]::before { content: attr(data-tooltip); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%) translateY(-8px); padding: var(--space-1) var(--space-3); background: var(--gray-900); color: white; font-size: 0.7rem; font-weight: 500; border-radius: 4px; white-space: nowrap; pointer-events: none; opacity: 0; transition: all 0.2s; z-index: 100; }
[data-tooltip]:hover::before { opacity: 1; transform: translateX(-50%) translateY(-4px); }
[data-theme="dark"] [data-tooltip]::before { background: white; color: black; }

/* Sidebar Navigation */
.sidebar { 
    width: 260px; height: 100vh; background: var(--background); 
    border-right: 1px solid var(--border); display: flex; flex-direction: column; 
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.sidebar-header { padding: var(--space-6); border-bottom: 1px solid var(--border); overflow: hidden; white-space: nowrap; }
.sidebar-content { flex: 1; overflow-y: auto; overflow-x: hidden; }
.sidebar-nav { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-1); }

.sidebar-item { 
    display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-4); 
    border-radius: var(--radius); font-size: 0.875rem; font-weight: 500; color: var(--muted-foreground); 
    text-decoration: none; transition: all 0.2s; cursor: pointer; border: none; background: none; 
    width: 100%; text-align: left; white-space: nowrap;
}
.sidebar-item:hover { background: var(--muted); color: var(--foreground); }
.sidebar-item.active { background: var(--primary); color: var(--primary-foreground); }

/* Sidebar Collapse Functionality */
.sidebar-collapsed .sidebar { width: 72px; }
.sidebar-collapsed .sidebar-header { padding: var(--space-6) var(--space-4); }
.sidebar-collapsed .nav-label, 
.sidebar-collapsed .sidebar-item span:not(.icon),
.sidebar-collapsed .brand span { display: none; }
.sidebar-collapsed .sidebar-item { padding: var(--space-2); justify-content: center; }

/* Dashboard Metrics & Layouts */
.grid-3 { display: grid; grid-template-columns: repeat(1, 1fr); gap: var(--space-4); }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.metrics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-6); }

.trend { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.75rem; font-weight: 600; margin-top: 0.25rem; }
.trend-up { color: var(--success); }
.trend-down { color: var(--error); }

/* Layout Shells */
.layout-shell { display: flex; height: 100vh; width: 100%; overflow: hidden; background: var(--background); position: relative; }
.layout-sidebar { 
    width: var(--sidebar-width); height: 100%; border-right: 1px solid var(--border); 
    display: flex; flex-direction: column; background: var(--background); flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 50;
}
.layout-main { flex: 1; display: flex; flex-direction: column; height: 100%; min-width: 0; position: relative; }
.layout-header { height: 3.5rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; padding: 0 var(--space-6); background: var(--background); flex-shrink: 0; }
.layout-content { flex: 1; overflow-y: auto; padding: var(--space-8); }

/* Mobile Adaptivity */
@media (max-width: 1024px) {
    .layout-sidebar {
        position: absolute; left: 0; top: 0; bottom: 0;
        transform: translateX(-100%);
        box-shadow: 20px 0 50px rgba(0,0,0,0.1);
    }
    .layout-sidebar.open { transform: translateX(0); }
    .layout-content { padding: var(--space-6) var(--space-4); }
}

.layout-mobile-header { display: none; height: 3.5rem; border-bottom: 1px solid var(--border); align-items: center; padding: 0 var(--space-4); background: var(--background); }
@media (max-width: 1024px) { .layout-mobile-header { display: flex; gap: var(--space-4); } }


/* Progress */
.progress { height: 0.5rem; width: 100%; background: var(--muted); border-radius: 9999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1); }

/* Responsive Tables */
.table-container { width: 100%; overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); -webkit-overflow-scrolling: touch; }

/* Breadcrumbs */
.breadcrumbs { display: flex; align-items: center; gap: 8px; list-style: none; padding: 0; margin: 0; }
.breadcrumb-item { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--muted-foreground); }
.breadcrumb-item:not(:last-child)::after { content: '/'; opacity: 0.3; font-size: 0.75rem; }
.breadcrumb-item a { color: inherit; text-decoration: none; transition: color 0.2s; }
.breadcrumb-item a:hover { color: var(--foreground); }
.breadcrumb-item.active { color: var(--foreground); font-weight: 600; }

/* Grid Utilities (SaaS Metrics) */
.grid-3 { display: grid; grid-template-columns: repeat(1, 1fr); gap: var(--space-4); }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.trend { font-size: 0.75rem; font-weight: 600; margin-top: var(--space-2); }
.trend-up { color: var(--success); }
.trend-down { color: var(--error); }

@keyframes toast-in { from { opacity: 0; transform: translateY(10px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* Density modes */
[data-density="compact"] {
    --space-1: 0.125rem;
    --space-2: 0.25rem;
    --space-3: 0.5rem;
    --space-4: 0.75rem;
    --space-6: 1rem;
    --space-8: 1.5rem;
    --space-12: 2rem;
}


/* RAVN UI - Layout Utilities */

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }
.grid { display: grid; gap: var(--space-6); }
.flex { display: flex; gap: var(--space-4); }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.w-full { width: 100%; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }

.text-sm { font-size: 0.875rem; }
.text-muted { color: var(--muted-foreground); }
.font-medium { font-weight: 500; }