/* Front Desk App - Boutique Minimalism Design System */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: #eff6ff;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    --bg-main: #fcfcfd;
    --bg-white: #ffffff;
    --border-soft: #f1f5f9;
    --border-mid: #e2e8f0;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.01), 0 2px 4px -2px rgb(0 0 0 / 0.01);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.03), 0 4px 6px -4px rgb(0 0 0 / 0.03);
    --shadow-premium: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--slate-900);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Typography & Utilities */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-2xl { font-size: 1.5rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-widest { letter-spacing: 0.1em; }
.uppercase { text-transform: uppercase; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.m-0 { margin: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-8 { margin-top: 2rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }

.w-full { width: 100%; }
.w-6 { width: 1.5rem; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }

.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

.bg-white { background-color: var(--bg-white); }
.bg-bg-main { background-color: var(--bg-main); }
.bg-border-soft { background-color: var(--border-soft); }
.bg-primary { background-color: var(--primary); }
.bg-blue-50 { background-color: #eff6ff; }
.bg-red-50 { background-color: #fef2f2; }

.text-white { color: white; }
.text-slate-200 { color: var(--slate-200); }
.text-slate-300 { color: var(--slate-300); }
.text-slate-400 { color: var(--slate-400); }
.text-slate-500 { color: var(--slate-500); }
.text-slate-600 { color: var(--slate-600); }
.text-slate-700 { color: var(--slate-700); }
.text-blue-600 { color: var(--primary); }
.text-red-500 { color: #ef4444; }

.border { border: 1px solid var(--border-mid); }
.border-b { border-bottom: 1px solid var(--border-mid); }
.border-border-soft { border-color: var(--border-soft); }
.border-border-mid { border-color: var(--border-mid); }

.shadow-soft { box-shadow: var(--shadow-md); }
.shadow-premium { box-shadow: var(--shadow-premium); }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-50 { z-index: 50; }
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.no-scrollbar::-webkit-scrollbar { display: none; }

/* Sidebar Premium Style */
aside.sidebar {
    width: 260px;
    background: var(--bg-white);
    border-right: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    height: 100vh;
    z-index: 40;
}

.sidebar-logo {
    padding: 2.5rem 2rem;
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--slate-900);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.875rem 2rem;
    color: var(--slate-500);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item i { font-size: 1rem; width: 24px; text-align: center; }
.nav-item:hover { color: var(--primary); background: var(--slate-50); }
.nav-item.active { color: var(--primary); background: var(--primary-soft); position: relative; }
.nav-item.active::after { content: ''; position: absolute; right: 0; top: 20%; height: 60%; width: 3px; background: var(--primary); border-radius: 4px 0 0 4px; }

/* Global Search Sidebar Container */
.search-container {
    padding: 0 1.5rem 1.5rem 1.5rem;
}
.search-container input {
    background: var(--slate-50);
    border: 1px solid var(--border-soft);
    padding: 0.625rem 1rem 0.625rem 2.25rem;
    border-radius: 12px;
    font-size: 0.8125rem;
    width: 100%;
}

/* Tabs: The Capsule System */
#tabs-header {
    background: var(--bg-main);
    padding: 1.5rem 2rem 0 2rem;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-soft);
}

.tab {
    background: var(--bg-white);
    border: 1px solid var(--border-soft);
    padding: 0.5rem 1rem;
    border-radius: 12px 12px 0 0;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--slate-400);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border-bottom: none;
}

.tab.active { background: var(--primary); color: white; border-color: var(--primary); transform: translateY(0); }
.tab:hover:not(.active) { color: var(--slate-700); background: var(--slate-50); }
.tab .close-tab { opacity: 0.5; font-size: 0.625rem; }
.tab .close-tab:hover { opacity: 1; }

/* Filter Bar Component */
.filter-bar {
    background: var(--bg-white);
    border: 1px solid var(--border-soft);
    padding: 1.25rem;
    border-radius: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

/* Inputs & Forms */
input, select, textarea {
    background: var(--bg-white);
    border: 1px solid var(--border-mid);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.875rem;
    color: var(--slate-900);
    transition: all 0.2s;
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

input::placeholder { color: var(--slate-400); }

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
}

.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2); }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3); }
.btn-secondary { background: var(--bg-white); color: var(--slate-600); border-color: var(--border-mid); }
.btn-secondary:hover { background: var(--slate-50); color: var(--slate-900); }

/* Boutique Table */
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.data-table th {
    padding: 1rem 1.5rem;
    font-size: 0.6875rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--slate-400);
    text-align: left;
    border-bottom: 1px solid var(--border-soft);
}

.data-table td {
    padding: 1.25rem 1.5rem;
    font-size: 0.875rem;
    color: var(--slate-600);
    border-bottom: 1px solid var(--border-soft);
    background: var(--bg-white);
    transition: all 0.2s;
}

.data-table tr:hover td { background: var(--slate-50); color: var(--slate-900); }
.data-table tr:last-child td { border-bottom: none; }

/* Status Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.625rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Modals & Glassmorphism */
.modal-overlay { background: rgba(15, 23, 42, 0.3); backdrop-filter: blur(8px); transition: all 0.3s ease; }
.modal-content {
    background: var(--bg-white);
    border-radius: 28px;
    box-shadow: var(--shadow-premium);
    border: 1px solid rgba(255, 255, 255, 0.8);
    overflow: hidden;
}

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1); }

/* Responsive Grid for Workspace */
#workspace { background: var(--bg-main); }
.tab-pane { display: none; padding: 2.5rem; animation: slideUp 0.3s ease-out; }
.tab-pane.active { display: block; }

/* Structural Utility Classes (Vanilla alternatives to Tailwind) */
.hidden { display: none !important; }
.flex { display: flex !important; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-50 { z-index: 50; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.mb-8 { margin-bottom: 2rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.text-center { text-align: center; }
.overflow-hidden { overflow: hidden; }