/* ============================================================
   ZOUBAIR BIKES — Design System
   Red + Black + White | Sporty e-bike dealership aesthetic
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@500;600;700;800&display=swap');

:root {
    /* Brand palette */
    --primary:        #E11D2E;
    --primary-hover:  #B91624;
    --primary-soft:   #FEE2E2;
    --secondary:      #0A0A0A;
    --accent:         #FFFFFF;

    /* Status */
    --success: #10B981;
    --warning: #F59E0B;
    --error:   #DC2626;
    --info:    #0EA5E9;
    --neutral: #64748B;

    /* Grays */
    --gray-50:  #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --border-radius: 10px;
    --border-radius-lg: 14px;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs:   0.75rem;
    --font-size-sm:   0.875rem;
    --font-size-base: 1rem;
    --font-size-lg:   1.125rem;
    --font-size-xl:   1.25rem;
    --font-size-2xl:  1.5rem;
    --font-size-3xl:  2rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-red: 0 8px 24px rgba(225, 29, 46, 0.25);

    /* Transitions */
    --transition: all 0.2s ease;
}

/* =============== Base =============== */
body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    background: var(--gray-50);
    color: var(--gray-900);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    letter-spacing: -0.01em;
}

/* =============== Status Badges =============== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1;
}
.status-badge.pending    { background: #FEF3C7; color: #92400E; }
.status-badge.processing { background: #FED7AA; color: #9A3412; }
.status-badge.completed  { background: #D1FAE5; color: #065F46; }
.status-badge.cancelled,
.status-badge.failed     { background: #FEE2E2; color: #991B1B; }
.status-badge.refunded   { background: #E0E7FF; color: #3730A3; }

.status-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.status-badge.pending::before    { content: '⏰'; width: auto; height: auto; }
.status-badge.processing::before { content: '⚙️'; width: auto; height: auto; }
.status-badge.completed::before  { content: '✓';  width: auto; height: auto; }
.status-badge.cancelled::before,
.status-badge.failed::before     { content: '⚠️'; width: auto; height: auto; }

/* =============== Metric Cards =============== */
.metric-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.metric-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--gray-300);
}
.metric-card.large { padding: var(--spacing-xl); }
.metric-value {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: var(--spacing-sm) 0;
    line-height: 1.2;
}
.metric-label {
    font-size: var(--font-size-sm);
    color: var(--neutral);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.metric-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-top: var(--spacing-xs);
}
.metric-trend.up   { color: var(--success); }
.metric-trend.down { color: var(--error); }

/* =============== Buttons =============== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}
.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-red);
    transform: translateY(-1px);
}
.btn-success { background: var(--success); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-danger  { background: var(--error);   color: white; }
.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}
.btn-secondary:hover { background: var(--gray-300); }
.btn-dark {
    background: var(--secondary);
    color: white;
}
.btn-dark:hover { background: #1A1A1A; }
.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
}

/* =============== Tables =============== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.data-table th {
    background: var(--gray-50);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--neutral);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
}
.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}
.data-table tr:hover { background: var(--gray-50); }

/* =============== Filters =============== */
.filter-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}
.filter-input {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    width: 150px;
}
.filter-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(225, 29, 46, 0.15);
}

/* =============== Quick View Panel =============== */
.quick-view-panel {
    position: fixed;
    right: 0;
    top: 0;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}
.quick-view-panel.open { transform: translateX(0); }

/* =============== Nav Badge =============== */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 0.375rem;
    background: var(--error);
    color: white;
    border-radius: 10px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    margin-left: 0.5rem;
}

/* =============== Workbench Tabs =============== */
.workbench-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}
.workbench-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--neutral);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    bottom: -2px;
    font-family: inherit;
}
.workbench-tab:hover { color: var(--primary); }
.workbench-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.workbench-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 0.5rem;
    background: var(--gray-200);
    color: var(--gray-700);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    margin-left: 0.5rem;
}
.workbench-tab.active .workbench-tab-badge {
    background: var(--primary);
    color: white;
}

/* =============== Stock status =============== */
.stock-high   { color: var(--success); font-weight: 600; }
.stock-medium { color: var(--warning); font-weight: 600; }
.stock-low    { color: var(--error);   font-weight: 600; }

.product-thumbnail {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    object-fit: cover;
    border: 1px solid var(--gray-200);
}

/* =============== Utilities =============== */
.text-primary  { color: var(--primary); }
.text-success  { color: var(--success); }
.text-warning  { color: var(--warning); }
.text-error    { color: var(--error); }
.text-neutral  { color: var(--neutral); }

.bg-primary    { background: var(--primary); }
.bg-success    { background: var(--success); }
.bg-warning    { background: var(--warning); }
.bg-error      { background: var(--error); }
.bg-dark       { background: var(--secondary); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.p-sm  { padding: var(--spacing-sm); }
.p-md  { padding: var(--spacing-md); }
.p-lg  { padding: var(--spacing-lg); }

/* =============== Sidebar =============== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: linear-gradient(180deg, #0A0A0A 0%, #1A1A1A 100%);
    color: white;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
}
.sidebar::-webkit-scrollbar        { width: 6px; }
.sidebar::-webkit-scrollbar-track  { background: rgba(255, 255, 255, 0.05); }
.sidebar::-webkit-scrollbar-thumb  { background: rgba(255, 255, 255, 0.2); border-radius: 3px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.sidebar .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(135deg, rgba(225, 29, 46, 0.12) 0%, transparent 100%);
}
.sidebar .brand-logo {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    object-fit: contain;
    background: #000;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.sidebar .brand-text { flex: 1; min-width: 0; }
.sidebar .brand-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.1;
    color: white;
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar .brand-title .brand-accent { color: var(--primary); }
.sidebar .brand-subtitle {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 0.125rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sidebar .nav { padding: 0.5rem 0 1rem 0; }
.sidebar .nav-section { margin-bottom: 0.5rem; }
.sidebar .nav-section-title {
    padding: 1rem 1.25rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.35);
}

.sidebar .nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    color: rgba(255, 255, 255, 0.72);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    margin: 0.125rem 0;
    font-size: 0.9rem;
}
.sidebar .nav-icon {
    font-size: 20px;
    line-height: 1;
    width: 1.5rem;
    text-align: center;
}
.sidebar .nav-label { font-weight: 500; }
.sidebar .nav-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: white;
    border-left-color: rgba(225, 29, 46, 0.4);
}
.sidebar .nav-item.active {
    background: linear-gradient(90deg, rgba(225, 29, 46, 0.18) 0%, rgba(225, 29, 46, 0) 100%);
    color: #FCA5A5;
    border-left-color: var(--primary);
}
.sidebar .nav-item.active .nav-icon { color: var(--primary); transform: scale(1.05); }

.sidebar .nav-item-highlight { position: relative; }
.sidebar .nav-item-highlight::after {
    content: '';
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary);
}
.sidebar .nav-item-danger { color: rgba(239, 68, 68, 0.85); }
.sidebar .nav-item-danger:hover {
    background: rgba(239, 68, 68, 0.12);
    color: #FCA5A5;
    border-left-color: #EF4444;
}
.sidebar .nav-section-bottom {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* =============== Main content =============== */
.main-content,
.main {
    margin-left: 260px;
    min-height: 100vh;
    padding: 2rem;
    transition: margin-left 0.3s ease;
}

/* =============== Responsive =============== */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .main-content,
    .main { margin-left: 0; padding: 1rem; }
}