:root {
    --primary: #b32318;
    --primary-dark: #7d1711;
    --sidebar: #17171c;
    --soft: #f7f7f9;
}

* { box-sizing: border-box; }
body { background: var(--soft); color: #222; font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { text-decoration: none; }
.xsmall { font-size: 11px; }

.login-page { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(circle at top left, #ffe4df, #f8f8fb 40%, #fff); }
.login-card { width: min(420px, 92vw); background: #fff; padding: 34px; border-radius: 28px; }
.brand-mark, .brand-mark-sm { display: grid; place-items: center; border-radius: 18px; background: linear-gradient(135deg, var(--primary), #f2994a); color: #fff; font-weight: 800; }
.brand-mark { width: 70px; height: 70px; font-size: 32px; }
.brand-mark-sm { width: 42px; height: 42px; font-size: 20px; flex: 0 0 auto; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 280px; background: var(--sidebar); color: #fff; position: fixed; inset: 0 auto 0 0; transition: .25s ease; z-index: 1000; }
.sidebar-brand { display: flex; gap: 12px; align-items: center; padding: 20px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-menu { padding: 14px; overflow-y: auto; height: calc(100vh - 84px); }
.menu-link { width: 100%; border: 0; background: transparent; color: rgba(255,255,255,.82); display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 14px; margin-bottom: 6px; text-align: left; }
.menu-link:hover, .menu-link.active { background: rgba(255,255,255,.1); color: #fff; }
.menu-parent { cursor: pointer; }
.submenu { padding: 2px 0 8px 38px; }
.submenu-link { display: block; color: rgba(255,255,255,.65); padding: 8px 12px; border-radius: 12px; font-size: 14px; }
.submenu-link:hover, .submenu-link.active { background: rgba(255,255,255,.08); color: #fff; }
.main-content { margin-left: 280px; width: calc(100% - 280px); min-height: 100vh; transition: .25s ease; }
.topbar { height: 68px; background: #fff; display: flex; align-items: center; padding: 0 22px; position: sticky; top: 0; z-index: 900; }
.content-wrapper { padding: 24px; }
body.sidebar-collapsed .sidebar { transform: translateX(-280px); }
body.sidebar-collapsed .main-content { margin-left: 0; width: 100%; }

.card-modern { border: 0; border-radius: 22px; box-shadow: 0 12px 28px rgba(15, 23, 42, .06); }
.stat-icon { width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center; background: #fff0ee; color: var(--primary); }
.table thead th { font-size: 13px; text-transform: uppercase; letter-spacing: .02em; color: #666; }
.form-control, .form-select { border-radius: 12px; }
.badge-soft { background: #fff0ee; color: var(--primary); }

.pos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 14px; }
.pos-item { border: 0; border-radius: 22px; background: #fff; padding: 18px; text-align: left; box-shadow: 0 10px 24px rgba(15,23,42,.07); min-height: 120px; }
.pos-item:active { transform: scale(.98); }
.cart-panel { position: sticky; top: 88px; }
.qty-btn { width: 34px; height: 34px; border-radius: 10px; }

@media (max-width: 991px) {
    .sidebar { transform: translateX(-280px); }
    .main-content { margin-left: 0; width: 100%; }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-collapsed .sidebar { transform: translateX(-280px); }
}