/* ══════════════════════════════════════════════════════════════
   CLOUDSHOP THEME — giao diện đơn giản, quen mắt kiểu shop thường
   ══════════════════════════════════════════════════════════════ */

:root {
    --bg:       #F5F6F8;
    --panel:    #FFFFFF;
    --line:     #E3E6EB;
    --text:     #22262E;
    --muted:    #6B7280;
    --primary:  #2563EB;
    --primary-dark: #1D4ED8;
    --price:    #DC2626;
    --success:  #16A34A;
    --success-bg: #ECFDF3;
}

* { box-sizing: border-box; }

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
}

h1, h2, h3, h4, h5 { font-weight: 700; color: var(--text); }

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ── Buttons ── */
.btn { border-radius: 6px; font-weight: 600; font-size: .92rem; padding: .55rem 1.1rem; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover, .btn-primary:focus { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-primary:disabled { background: #B9C2D0; border-color: #B9C2D0; }
.btn-outline-secondary { color: var(--muted); border-color: var(--line); }
.btn-outline-secondary:hover { background: #F1F2F4; color: var(--text); border-color: var(--line); }
.btn-outline-dark { color: var(--text); border-color: var(--line); }
.btn-outline-dark:hover { background: #F1F2F4; }
.btn-outline-danger { color: #DC2626; border-color: #FCA5A5; }
.btn-outline-danger:hover { background: #FEF2F2; }
.btn-warning { background: #F59E0B; border-color: #F59E0B; color: #fff; }
.btn-warning:hover { background: #D97706; border-color: #D97706; color: #fff; }
.btn-block { width: 100%; }

/* ── Brand tabs ── */
.brand-tabs { border-bottom: 1px solid var(--line); margin: 24px 0 22px !important; }
.brand-tabs .nav-link {
    color: var(--muted); font-weight: 600; font-size: .92rem;
    border: none; border-bottom: 2px solid transparent; border-radius: 0;
    padding: 10px 4px; margin-right: 26px;
}
.brand-tabs .nav-link.active { background: transparent !important; color: var(--primary) !important; border-bottom: 2px solid var(--primary); }

/* ── Product card ── */
.product-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
    margin-bottom: 18px;
}
.product-card .card-body { padding: 20px; }
.product-card .card-title { font-size: 1.05rem; }
.product-card p.small { color: var(--muted); }

.stock-readout { font-size: .8rem; font-weight: 600; color: var(--success); }
.stock-readout.out { color: #DC2626; }

.price-tag { font-size: 1.4rem; font-weight: 700; color: var(--price); }

.admin-only { background: #FFFBEB; border: 1px dashed #FCD34D; border-radius: 8px; }

/* ── Cards ── */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.card .text-muted { color: var(--muted) !important; }

/* ── Forms ── */
label { color: var(--text); font-size: .87rem; font-weight: 600; }
.form-control, select.form-control, textarea.form-control {
    background: #fff; border: 1px solid var(--line); color: var(--text); border-radius: 6px;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

/* ── Tables ── */
.table { color: var(--text); }
.table thead th { font-size: .78rem; color: var(--muted); border-bottom: 1px solid var(--line); background: #FAFBFC; }
.table td, .table th { border-color: var(--line); vertical-align: middle; }
.bg-white { background: var(--panel) !important; }

/* ── Badges ── */
.badge { font-weight: 600; border-radius: 4px; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-secondary { background: #F1F2F4; color: var(--muted); }
.badge-warning { background: #FEF3C7; color: #B45309; }

/* ── Alerts ── */
.alert { border-radius: 8px; border: 1px solid; font-size: .9rem; }
.alert-success { background: var(--success-bg); border-color: #BBF7D0; color: var(--success); }
.alert-danger { background: #FEF2F2; border-color: #FCA5A5; color: #DC2626; }

/* ── Code box ── */
.code-box {
    font-family: 'Courier New', monospace;
    background: #F1F2F4; border: 1px solid var(--line); color: var(--text);
    padding: 10px 14px; border-radius: 6px; word-break: break-all; font-size: .92rem;
}

/* ── Hero ── */
.hero { padding: 8px 0 4px; margin-bottom: 4px; }
.hero-eyebrow { font-size: .82rem; font-weight: 600; color: var(--success); margin-bottom: 8px; }
.hero h1 { font-size: 1.7rem; margin-bottom: 8px; }
.hero p.lead { color: var(--muted); font-size: .96rem; max-width: 560px; }

/* ══════════════════════════════════════════════════════════════
   SIDEBAR LAYOUT
   ══════════════════════════════════════════════════════════════ */

.shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 230px; flex-shrink: 0;
    background: var(--panel);
    border-right: 1px solid var(--line);
    display: flex; flex-direction: column;
    position: fixed; top: 0; bottom: 0; left: 0; z-index: 40;
    transition: transform .2s ease;
}

.sidebar-brand {
    font-weight: 700; font-size: 1.05rem; color: var(--text);
    padding: 18px; border-bottom: 1px solid var(--line);
    display: flex; align-items: center;
}
.sidebar-brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); margin-right: 9px; flex-shrink: 0; }

.sidebar-balance { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 2px; }
.sidebar-balance .label { font-size: .74rem; color: var(--muted); }
.sidebar-balance .value { font-size: 1.1rem; font-weight: 700; color: var(--success); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px; }
.sidebar-nav a { display: block; padding: 10px 12px; border-radius: 6px; color: var(--muted); font-size: .9rem; font-weight: 500; margin-bottom: 2px; }
.sidebar-nav a:hover { background: #F1F2F4; color: var(--text); }
.sidebar-nav a.active { background: #EFF4FF; color: var(--primary); }
.sidebar-section { font-size: .72rem; font-weight: 700; letter-spacing: .03em; color: #9CA3AF; padding: 16px 12px 6px; }

.sidebar-auth { padding: 14px 16px; border-top: 1px solid var(--line); }
.sidebar-user { color: var(--text); font-size: .88rem; font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.sidebar-user .tag { font-size: .64rem; font-weight: 700; background: #EFF4FF; color: var(--primary); padding: 2px 6px; border-radius: 4px; }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 39; }
.sidebar-overlay.show { display: block; }

.main-area { flex: 1; margin-left: 230px; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    display: none; align-items: center; gap: 14px; padding: 14px 16px;
    border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); z-index: 30;
}
.topbar-title { font-weight: 600; color: var(--text); font-size: .95rem; }
.topbar-toggle {
    background: #fff; border: 1px solid var(--line); border-radius: 6px; width: 34px; height: 34px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.topbar-toggle span { display: block; width: 16px; height: 2px; background: var(--muted); border-radius: 1px; }

.content-container { flex: 1; max-width: 1000px; width: 100%; padding: 28px 32px 48px; }

@media (max-width: 991px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-area { margin-left: 0; }
    .topbar { display: flex; }
    .content-container { padding: 18px 18px 40px; }
}