/* ============================================================
   Vendor AI — Global Dark Theme with Bootstrap 5
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
    --vai-sidebar-w: 240px;
    --vai-topbar-h: 60px;
    --vai-primary: #6366f1;
    --vai-primary-dark: #4f46e5;
    --vai-primary-glow: rgba(99,102,241,0.25);
    --vai-success: #22c55e;
    --vai-danger: #ef4444;
    --vai-warning: #f59e0b;
    --vai-info: #38bdf8;
    --vai-bg: #080d14;
    --vai-surface: #0f1623;
    --vai-surface-2: #151e2e;
    --vai-border: rgba(255,255,255,0.07);
    --vai-text: #e2e8f0;
    --vai-muted: #64748b;
    --vai-sidebar-bg: #0a1120;
    --vai-topbar-bg: rgba(10,17,32,0.88);
    --transition: 0.22s ease;
}

/* ── Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--vai-bg);
    color: var(--vai-text);
    margin: 0;
    padding: 0;
    font-size: 14px;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.vai-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--vai-sidebar-w);
    height: 100vh;
    background: var(--vai-sidebar-bg);
    border-right: 1px solid var(--vai-border);
    display: flex;
    flex-direction: column;
    z-index: 200;
    transition: width var(--transition);
    overflow: hidden;
}

.vai-sidebar.collapsed {
    width: 64px;
}

.vai-sidebar.collapsed .sidebar-link span,
.vai-sidebar.collapsed .brand-text,
.vai-sidebar.collapsed .nav-section-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 18px;
    border-bottom: 1px solid var(--vai-border);
    min-height: var(--vai-topbar-h);
}

.brand-icon { font-size: 26px; flex-shrink: 0; }

.brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--vai-text);
    letter-spacing: -0.4px;
    white-space: nowrap;
    transition: opacity var(--transition), width var(--transition);
}

.sidebar-nav {
    padding: 14px 10px;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--vai-border); border-radius: 4px; }

.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--vai-muted);
    padding: 6px 12px;
    transition: opacity var(--transition);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--vai-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition);
    margin-bottom: 2px;
    white-space: nowrap;
}

.sidebar-link i {
    font-size: 18px;
    flex-shrink: 0;
    width: 22px;
    text-align: center;
}

.sidebar-link:hover {
    background: rgba(99,102,241,0.12);
    color: #a5b4fc;
}

.sidebar-link.active {
    background: var(--vai-primary-glow);
    color: #a5b4fc;
    font-weight: 600;
    border-left: 3px solid var(--vai-primary);
    padding-left: 9px;
}

/* ── Top Bar ─────────────────────────────────────────────── */
.vai-topbar {
    position: fixed;
    top: 0;
    left: var(--vai-sidebar-w);
    right: 0;
    height: var(--vai-topbar-h);
    background: var(--vai-topbar-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--vai-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    z-index: 100;
    transition: left var(--transition);
}

.vai-topbar.expanded { left: 64px; }

.topbar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--vai-text);
}

/* ── Main Content ────────────────────────────────────────── */
.vai-content {
    margin-left: var(--vai-sidebar-w);
    margin-top: var(--vai-topbar-h);
    padding: 28px 32px;
    min-height: calc(100vh - var(--vai-topbar-h));
    transition: margin-left var(--transition);
}

.vai-content.expanded { margin-left: 64px; }

/* ── Page Header ─────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 28px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin: 0;
    letter-spacing: -0.5px;
}

/* ── Stat Cards ──────────────────────────────────────────── */
.stat-card {
    background: var(--vai-surface);
    border: 1px solid var(--vai-border);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(99,102,241,0.06), transparent 60%);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99,102,241,0.3);
    box-shadow: 0 12px 40px -8px rgba(0,0,0,0.5);
}

.stat-card .stat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.stat-card .stat-value {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    margin-bottom: 6px;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--vai-muted);
    font-weight: 500;
}

/* ── Data Cards ──────────────────────────────────────────── */
.vai-card {
    background: var(--vai-surface);
    border: 1px solid var(--vai-border);
    border-radius: 16px;
    overflow: hidden;
}

.vai-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--vai-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    background: rgba(0,0,0,0.15);
}

.vai-card-header h5 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--vai-text);
}

.vai-card-body { padding: 0; }

/* ── Tables ──────────────────────────────────────────────── */
.vai-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.vai-table thead th {
    padding: 14px 20px;
    text-align: left;
    background: rgba(0,0,0,0.2);
    color: var(--vai-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--vai-border);
    white-space: nowrap;
}

.vai-table tbody td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--vai-border);
    vertical-align: middle;
    color: var(--vai-text);
}

.vai-table tbody tr:last-child td { border-bottom: 0; }

.vai-table tbody tr {
    transition: background var(--transition);
}

.vai-table tbody tr:hover {
    background: rgba(99,102,241,0.05);
}

/* ── Forms ─────────────────────────────────────────────── */
.form-control, .form-select {
    background-color: var(--vai-surface-2) !important;
    border: 1px solid var(--vai-border) !important;
    color: var(--vai-text) !important;
    border-radius: 10px !important;
    padding: 10px 14px !important;
    font-size: 14px !important;
    font-family: inherit !important;
    transition: border-color var(--transition), box-shadow var(--transition) !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--vai-primary) !important;
    box-shadow: 0 0 0 3px var(--vai-primary-glow) !important;
    background-color: var(--vai-surface) !important;
    outline: none !important;
}

.form-control::placeholder { color: var(--vai-muted) !important; }

.form-label {
    font-size: 13px;
    font-weight: 500;
    color: #94a3b8;
    margin-bottom: 6px;
}

textarea.form-control { resize: vertical; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    border-radius: 10px !important;
    font-weight: 500 !important;
    font-size: 14px !important;
    padding: 9px 18px !important;
    transition: all var(--transition) !important;
    border: none !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 7px !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--vai-primary), var(--vai-primary-dark)) !important;
    color: #fff !important;
    box-shadow: 0 2px 12px rgba(99,102,241,0.35) !important;
}

.btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(99,102,241,0.5) !important;
    background: linear-gradient(135deg, #818cf8, var(--vai-primary)) !important;
}

.btn-success {
    background: linear-gradient(135deg, #22c55e, #16a34a) !important;
    color: #fff !important;
    box-shadow: 0 2px 12px rgba(34,197,94,0.3) !important;
}

.btn-success:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(34,197,94,0.45) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    color: #fff !important;
    box-shadow: 0 2px 12px rgba(239,68,68,0.3) !important;
}

.btn-danger:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(239,68,68,0.45) !important;
}

.btn-outline-secondary {
    background: rgba(255,255,255,0.05) !important;
    border: 1px solid var(--vai-border) !important;
    color: var(--vai-text) !important;
}

.btn-outline-secondary:hover {
    background: rgba(255,255,255,0.09) !important;
    color: #fff !important;
}

.btn-sm { padding: 6px 13px !important; font-size: 12px !important; }
.btn-icon { width: 38px; height: 38px; padding: 0 !important; justify-content: center !important; background: rgba(255,255,255,0.05) !important; border: 1px solid var(--vai-border) !important; color: var(--vai-text) !important; }
.btn-icon:hover { background: rgba(255,255,255,0.1) !important; color: #fff !important; }

/* ── Badges ──────────────────────────────────────────────── */
.badge {
    font-size: 11px !important;
    font-weight: 600 !important;
    padding: 5px 10px !important;
    border-radius: 6px !important;
}

.badge.bg-success { background: rgba(34,197,94,0.15) !important; color: #4ade80 !important; border: 1px solid rgba(34,197,94,0.25) !important; }
.badge.bg-danger  { background: rgba(239,68,68,0.15) !important;  color: #f87171 !important; border: 1px solid rgba(239,68,68,0.25) !important; }
.badge.bg-warning { background: rgba(245,158,11,0.15) !important; color: #fbbf24 !important; border: 1px solid rgba(245,158,11,0.25) !important; }
.badge.bg-info    { background: rgba(56,189,248,0.15) !important; color: #38bdf8 !important; border: 1px solid rgba(56,189,248,0.25) !important; }
.badge.bg-primary { background: rgba(99,102,241,0.18) !important; color: #818cf8 !important; border: 1px solid rgba(99,102,241,0.3) !important; }
.badge.bg-secondary { background: rgba(100,116,139,0.2) !important; color: #94a3b8 !important; border: 1px solid rgba(100,116,139,0.3) !important; }

.wa-badge { padding: 5px 12px !important; font-size: 12px !important; border-radius: 20px !important; }
.wa-badge.connected    { background: rgba(34,197,94,0.15) !important; color: #4ade80 !important; border: 1px solid rgba(34,197,94,0.3) !important; }
.wa-badge.disconnected { background: rgba(239,68,68,0.15) !important; color: #f87171 !important; border: 1px solid rgba(239,68,68,0.3) !important; }

/* ── WhatsApp dots ───────────────────────────────────────── */
.status-dot-sm {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}
.status-dot-sm.connected {
    background: #22c55e;
    box-shadow: 0 0 8px #22c55e;
    animation: pulse-green 2s infinite;
}
.status-dot-sm.disconnected { background: #ef4444; box-shadow: 0 0 6px #ef4444; }
@keyframes pulse-green {
    0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
    70%  { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 transparent; }
}

/* ── Modals ──────────────────────────────────────────────── */
.modal-content {
    background: var(--vai-surface) !important;
    border: 1px solid var(--vai-border) !important;
    border-radius: 18px !important;
}

.modal-header {
    border-bottom: 1px solid var(--vai-border) !important;
    padding: 20px 24px !important;
}

.modal-title { font-size: 17px !important; font-weight: 600 !important; }

.modal-body { padding: 24px !important; }

.modal-footer {
    border-top: 1px solid var(--vai-border) !important;
    padding: 16px 24px !important;
}

.btn-close {
    filter: invert(1) !important;
    opacity: 0.6 !important;
}

.btn-close:hover { opacity: 1 !important; }

/* ── Pagination ──────────────────────────────────────────── */
.page-link {
    background: var(--vai-surface) !important;
    border-color: var(--vai-border) !important;
    color: var(--vai-text) !important;
    border-radius: 8px !important;
    margin: 0 2px !important;
}
.page-link:hover { background: rgba(99,102,241,0.2) !important; color: #a5b4fc !important; border-color: var(--vai-primary) !important; }
.page-item.active .page-link { background: var(--vai-primary) !important; border-color: var(--vai-primary) !important; color: #fff !important; }
.page-item.disabled .page-link { opacity: 0.4 !important; }

/* ── Avatar ──────────────────────────────────────────────── */
.vai-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--vai-border);
}

.vai-avatar-placeholder {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
    flex-shrink: 0;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
    border-radius: 12px !important;
    border: none !important;
    padding: 14px 18px !important;
    font-size: 14px !important;
}

.alert-danger  { background: rgba(239,68,68,0.12) !important;  color: #fca5a5 !important; border-left: 3px solid #ef4444 !important; }
.alert-success { background: rgba(34,197,94,0.12) !important;  color: #86efac !important; border-left: 3px solid #22c55e !important; }
.alert-info    { background: rgba(56,189,248,0.12) !important; color: #7dd3fc !important; border-left: 3px solid #38bdf8 !important; }

/* ── Dropdown ────────────────────────────────────────────── */
.dropdown-menu {
    background: var(--vai-surface-2) !important;
    border: 1px solid var(--vai-border) !important;
    border-radius: 12px !important;
    padding: 8px !important;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5) !important;
}

.dropdown-item {
    border-radius: 8px !important;
    color: var(--vai-text) !important;
    padding: 8px 12px !important;
    font-size: 14px !important;
    transition: background var(--transition) !important;
}

.dropdown-item:hover { background: rgba(99,102,241,0.15) !important; color: #a5b4fc !important; }

/* ── Product Image Thumb ─────────────────────────────────── */
.product-thumb {
    width: 52px; height: 52px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--vai-border);
}

/* ── Search input with icon ──────────────────────────────── */
.search-wrap { position: relative; }
.search-wrap .form-control { padding-left: 38px !important; }
.search-wrap .search-icon {
    position: absolute; left: 12px; top: 50%;
    transform: translateY(-50%);
    color: var(--vai-muted);
    pointer-events: none;
}

/* ── Toggle Switch ───────────────────────────────────────── */
.form-switch .form-check-input {
    width: 40px !important;
    height: 22px !important;
    background-color: rgba(100,116,139,0.3) !important;
    border-color: rgba(100,116,139,0.4) !important;
    cursor: pointer !important;
}
.form-switch .form-check-input:checked {
    background-color: var(--vai-primary) !important;
    border-color: var(--vai-primary) !important;
}

/* ── Login page ──────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--vai-bg);
    background-image:
        radial-gradient(at 0% 0%, rgba(99,102,241,0.18) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(236,72,153,0.15) 0px, transparent 50%);
}

.login-card {
    background: var(--vai-surface);
    border: 1px solid var(--vai-border);
    border-radius: 24px;
    padding: 44px 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 30px 60px -12px rgba(0,0,0,0.6);
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.5); }

/* ── Utilities ───────────────────────────────────────────── */
.text-muted  { color: var(--vai-muted) !important; }
.text-primary { color: #818cf8 !important; }
.text-success { color: #4ade80 !important; }
.text-danger  { color: #f87171 !important; }
.text-warning { color: #fbbf24 !important; }
.text-info    { color: #38bdf8 !important; }
.bg-surface   { background: var(--vai-surface) !important; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
    .vai-sidebar { width: 64px; }
    .vai-sidebar .sidebar-link span,
    .vai-sidebar .brand-text,
    .vai-sidebar .nav-section-label { opacity: 0; width: 0; overflow: hidden; }

    .vai-topbar { left: 64px; }
    .vai-content { margin-left: 64px; padding: 20px 16px; }
}