@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

:root {
    --primary: #1e3a8a;
    --primary-hover: #1e40af;
    --primary-light: #dbeafe;
    --accent: #FF6F00;
    --accent-hover: #E65100;
    --accent-light: #fff3e0;
    --bg-main: #f0f4f8;
    --bg-subtle: #e8edf3;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --text-dark: #0d1b2a;
    --text-medium: #374151;
    --text-muted: #6b7280;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --success: #059669;
    --success-bg: #d1fae5;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --info: #0284c7;
    --info-bg: #e0f2fe;
    --sidebar-width: 260px;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'DM Sans', sans-serif; background: var(--bg-main); color: var(--text-dark); overflow-x: hidden; font-size: 15px; line-height: 1.6; }

/* ===== LAYOUT ===== */
.layout { display: flex; min-height: 100vh; }

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--primary);
    color: white;
    position: fixed;
    height: 100vh;
    left: 0; top: 0;
    overflow-y: auto;
    z-index: 200;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition);
}

.sidebar-logo {
    padding: 22px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-logo-icon {
    width: 36px; height: 36px;
    background: var(--accent);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.sidebar-logo-text { font-size: 1rem; font-weight: 700; line-height: 1.2; }
.sidebar-logo-text span { display: block; font-size: 0.7rem; font-weight: 400; opacity: 0.6; }
.sidebar-main {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0 0;
}
.nav-section-label {
    padding: 10px 20px 4px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.45;
}
 
.sidebar-main > .nav-section-label:first-child {
    padding-top: 6px;
}

.nav-menu {
    list-style: none;
    padding: 2px 12px 4px;
}
.nav-menu li { margin-bottom: 2px; }
.nav-item {
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 11px;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.875rem;
}
.nav-item i { width: 18px; text-align: center; font-size: 0.9rem; }
.nav-item:hover { background: rgba(255,255,255,0.1); color: white; }
.nav-item.active { background: rgba(255,255,255,0.15); color: white; border-left: 3px solid var(--accent); padding-left: 11px; }
.nav-item .badge-count {
    margin-left: auto;
    background: var(--accent);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 50px;
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: auto;
}
.sidebar-user {
    display: flex; align-items: center; gap: 10px;
    padding: 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}
.sidebar-user:hover { background: rgba(255,255,255,0.08); }
.sidebar-avatar {
    width: 34px; height: 34px;
    background: var(--accent);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem;
    flex-shrink: 0;
}
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 0.8rem; font-weight: 600; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 0.7rem; color: rgba(255,255,255,0.5); }

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 30px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 16px;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); }
.topbar-subtitle { font-size: 0.8rem; color: var(--text-muted); }

.topbar-right { display: flex; align-items: center; gap: 10px; }

.mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    width: 36px; height: 36px;
    cursor: pointer;
    color: var(--text-medium);
    font-size: 1rem;
}

.page-content { padding: 28px 30px; flex: 1; }

/* ===== CARDS ===== */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 20px;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.card-title { font-size: 1rem; font-weight: 700; color: var(--text-dark); }
.card-subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* ===== KPI CARDS ===== */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--kpi-color, var(--primary));
}
.kpi-icon {
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    background: var(--kpi-bg, var(--primary-light));
    color: var(--kpi-color, var(--primary));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 14px;
}
.kpi-label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; }
.kpi-value { font-size: 1.9rem; font-weight: 700; color: var(--text-dark); margin-top: 4px; font-family: 'DM Mono', monospace; }
.kpi-change { font-size: 0.75rem; margin-top: 4px; }
.kpi-change.up { color: var(--success); }
.kpi-change.down { color: var(--danger); }

/* ===== GRIDS ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }

/* ===== BUTTONS ===== */
.btn {
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.875rem;
    font-family: 'DM Sans', sans-serif;
    text-decoration: none;
    white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover:not(:disabled) { background: var(--accent-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-medium); }
.btn-outline:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover:not(:disabled) { background: #b91c1c; }
.btn-success { background: var(--success); color: white; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; }
.form-group label, label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-medium);
    margin-bottom: 6px;
}
input, textarea, select {
    width: 100%;
    padding: 10px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: 'DM Sans', sans-serif;
    color: var(--text-dark);
    background: var(--surface);
    transition: var(--transition);
    outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,138,0.08); }
input::placeholder, textarea::placeholder { color: var(--text-muted); }
textarea { resize: vertical; min-height: 80px; }

.input-group { display: flex; gap: 10px; }
.input-prefix {
    padding: 10px 13px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-muted);
    white-space: nowrap;
    display: flex; align-items: center;
    border-right: none;
}
.input-prefix + input { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* ===== TABLES ===== */
.table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead th {
    padding: 12px 16px;
    text-align: left;
    background: var(--bg-main);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-subtle); }

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.badge-draft { background: #f1f5f9; color: #475569; }
.badge-pending { background: var(--warning-bg); color: var(--warning); }
.badge-approved { background: var(--success-bg); color: var(--success); }
.badge-active { background: #dbeafe; color: #1d4ed8; }
.badge-rejected { background: var(--danger-bg); color: var(--danger); }
.badge-processing { background: var(--info-bg); color: var(--info); }
.badge-shipped { background: var(--success-bg); color: var(--success); }
.badge-delivered { background: #f0fdf4; color: #15803d; }
.badge-out_of_stock { background: var(--danger-bg); color: var(--danger); }
.badge-packed { background: #faf5ff; color: #7c3aed; }
.badge-completed { background: var(--success-bg); color: var(--success); }

/* ===== TABS ===== */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 24px; }
.tab-btn {
    padding: 10px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
    font-family: 'DM Sans', sans-serif;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 2.5rem; opacity: 0.3; margin-bottom: 14px; display: block; }
.empty-state h3 { font-size: 1rem; color: var(--text-medium); margin-bottom: 8px; }
.empty-state p { font-size: 0.875rem; margin-bottom: 20px; }

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 28px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}
.modal-lg { max-width: 800px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.modal-title { font-size: 1.1rem; font-weight: 700; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 1.1rem; padding: 4px; transition: var(--transition); }
.modal-close:hover { color: var(--text-dark); }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }

@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(-10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

/* ===== IMAGE PREVIEW ===== */
.img-thumb { width: 48px; height: 48px; border-radius: var(--radius-sm); object-fit: cover; border: 1px solid var(--border); }
.img-thumb-lg { width: 80px; height: 80px; border-radius: var(--radius); object-fit: cover; border: 1px solid var(--border); }

/* ===== UPLOAD AREA ===== */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
}
.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}
.upload-zone i { font-size: 2rem; display: block; margin-bottom: 8px; }
.upload-zone p { font-size: 0.875rem; }
.upload-zone small { font-size: 0.75rem; }

/* ===== IMAGE GALLERY ===== */
.image-gallery { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.gallery-item {
    width: 80px; height: 80px;
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.gallery-item .remove-img {
    position: absolute;
    top: 3px; right: 3px;
    background: rgba(0,0,0,0.6);
    color: white;
    width: 18px; height: 18px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.65rem;
    cursor: pointer;
}

/* ===== VARIANTS ===== */
.variant-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 10px;
    align-items: end;
    padding: 12px;
    background: var(--bg-subtle);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}
.variant-row input { margin-bottom: 0; }

/* ===== STATUS PILL ===== */
.status-select {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
}

/* ===== ALERT ===== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
}
.alert-info { background: var(--info-bg); color: var(--info); border-left: 3px solid var(--info); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-left: 3px solid var(--warning); }
.alert-danger { background: var(--danger-bg); color: var(--danger); border-left: 3px solid var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); border-left: 3px solid var(--success); }

/* ===== CHART WRAPPER ===== */
.chart-container { position: relative; height: 260px; }

/* ===== SEARCH BAR ===== */
.search-bar {
    position: relative;
    max-width: 300px;
}
.search-bar input { padding-left: 36px; }
.search-bar i { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.85rem; }

/* ===== FILTER BAR ===== */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 20px; }
.filter-bar select { width: auto; padding: 8px 12px; font-size: 0.85rem; }

/* ===== STAR RATING ===== */
.stars { color: #f59e0b; letter-spacing: 2px; }
.stars.empty { color: var(--border); }

/* ===== PROGRESS BAR ===== */
.progress-bar { background: var(--bg-subtle); border-radius: 50px; height: 8px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 50px; background: var(--primary); transition: width 0.5s ease; }
.progress-fill.accent { background: var(--accent); }
.progress-fill.success { background: var(--success); }

/* ===== SIDEBAR OVERLAY (mobile) ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 199;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== LOADER ===== */
.page-loader { display: flex; align-items: center; justify-content: center; padding: 80px; }
.spinner { width: 36px; height: 36px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .sidebar-overlay { display: block; opacity: 0; pointer-events: none; transition: opacity var(--transition); }
    .sidebar-overlay.open { opacity: 1; pointer-events: all; }
    .main-content { margin-left: 0; width: 100%; }
    .mobile-toggle { display: flex; align-items: center; justify-content: center; }
    .page-content { padding: 20px 16px; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar select { width: 100%; }
    .topbar { padding: 0 16px; }
    table { display: block; overflow-x: auto; white-space: nowrap; }
}