:root {
    --primary: #1a1a2e;
    --secondary: #c9184a;
    --accent: #ff4d6d;
    --gold: #d4a017;
    --bg: #f8f5f2;
    --card-bg: #ffffff;
    --text: #2d2d2d;
    --text-muted: #888;
    --border: #e8e2da;
    --nav-h: 64px;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --font-display: 'Playfair Display', serif;
    --font-body: 'DM Sans', sans-serif;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── NAVBAR ── */
#mainNav {
    background: var(--primary) !important;
    height: var(--nav-h);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
    z-index: 1050;
}

.brand-icon { font-size: 1.4rem; color: var(--secondary); }
.brand-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.navbar-nav .nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255,255,255,0.75) !important;
    padding: 0.45rem 0.85rem !important;
    border-radius: 8px;
    transition: all 0.2s;
    letter-spacing: 0.3px;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #fff !important;
    background: rgba(201,24,74,0.25);
}
.navbar-nav .nav-link.active { color: var(--accent) !important; }

.user-badge {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    gap: 6px;
}
.role-tag {
    background: var(--secondary);
    color: #fff;
    font-size: 0.7rem;
    padding: 1px 7px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.btn-logout {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8) !important;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 4px 10px;
    transition: all 0.2s;
}
.btn-logout:hover { background: var(--secondary); color: #fff !important; }

/* ── LAYOUT ── */
.main-content {
    flex: 1;
    padding: 2rem 1.5rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

/* ── CARDS ── */
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background: var(--card-bg);
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-display);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

/* ── STAT CARDS ── */
.stat-card {
    border-radius: var(--radius);
    padding: 1.4rem 1.5rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-3px); }
.stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.2;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}
.stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}
.stat-card .stat-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.85;
    font-weight: 500;
}

.stat-primary   { background: linear-gradient(135deg, #1a1a2e, #16213e); }
.stat-danger    { background: linear-gradient(135deg, #c9184a, #ff4d6d); }
.stat-success   { background: linear-gradient(135deg, #1b6535, #2d9f55); }
.stat-warning   { background: linear-gradient(135deg, #b5620a, #e07b11); }

/* ── BUTTONS ── */
.btn-primary {
    background: var(--secondary);
    border-color: var(--secondary);
    font-weight: 500;
    border-radius: 8px;
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-outline-primary { color: var(--secondary); border-color: var(--secondary); border-radius: 8px; }
.btn-outline-primary:hover { background: var(--secondary); border-color: var(--secondary); }

/* ── TABLES ── */
.table { font-size: 0.88rem; }
.table thead th {
    background: #f3ede7;
    color: var(--text);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border: none;
    padding: 0.85rem 1rem;
}
.table tbody tr { transition: background 0.15s; }
.table tbody tr:hover { background: #fdf7f4; }
.table td { padding: 0.75rem 1rem; vertical-align: middle; border-color: var(--border); }

/* ── BADGES ── */
.badge { font-size: 0.73rem; font-weight: 600; padding: 4px 10px; border-radius: 20px; letter-spacing: 0.3px; }

/* ── FORMS ── */
.form-control, .form-select {
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    padding: 0.55rem 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(201,24,74,0.12);
}
.form-label { font-weight: 500; font-size: 0.85rem; margin-bottom: 5px; color: #555; }

/* ── PAGE TITLE ── */
.page-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.2rem;
}
.page-subtitle { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 1.5rem; }

/* ── CARRITO (punto de venta) ── */
.carrito-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: #fdf7f4;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: box-shadow 0.2s;
}
.carrito-item:hover { box-shadow: var(--shadow); }

.carrito-total-box {
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
}

/* ── STOCK ALERTS ── */
.stock-low { color: #e03131; font-weight: 600; }
.stock-ok  { color: #2b8a3e; }

/* ── BARCODE INPUT ── */
.barcode-input-wrap {
    position: relative;
}
.barcode-input-wrap .bi-upc-scan {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary);
    font-size: 1.1rem;
}
.barcode-input-wrap input {
    padding-left: 2.4rem !important;
    font-size: 1rem;
    border: 2px solid var(--secondary) !important;
    border-radius: 10px !important;
}

/* ── FOOTER ── */
.app-footer {
    background: var(--primary);
    border-top: 1px solid rgba(255,255,255,0.05);
}
.app-footer small { color: rgba(255,255,255,0.35) !important; font-size: 0.75rem; }

/* ── ALERTS ── */
.alert { border-radius: var(--radius); font-size: 0.88rem; border: none; }
.alert-success { background: #d3f9d8; color: #1b5e20; }
.alert-danger   { background: #ffe0e6; color: #8b0000; }
.alert-warning  { background: #fff3cd; color: #7d4e00; }

/* ── ANIMATIONS ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.35s ease forwards; }

/* ── LOGIN ── */
.login-wrap {
    min-height: 100vh;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.login-card {
    background: #fff;
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.login-logo .bi { font-size: 3rem; color: var(--secondary); }
.login-logo h1 { font-family: var(--font-display); font-size: 1.8rem; color: var(--primary); margin: 0.5rem 0 0.2rem; }
.login-logo p  { color: var(--text-muted); font-size: 0.85rem; }

/* ── Multi-Sede ────────────────────────────────────────────── */
.sede-btn {
    background: rgba(201,24,74,0.15);
    border: 1px solid rgba(201,24,74,0.4);
    color: #fff;
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
}
.sede-btn:hover { background: rgba(201,24,74,0.3); color:#fff; }
.sede-badge {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.85);
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: 20px;
}
.sede-btn .dropdown-menu { min-width: 200px; }