/* ═══════════════════════════════════════════════════════════════
   BRETT — Warehouse Parts Inventory System
   Premium Dark Industrial Design System
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── CSS Variables ────────────────────────────────────────── */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2235;
    --bg-card-hover: #1e2840;
    --bg-input: #0f1629;
    --bg-modal: rgba(10, 14, 23, 0.92);
    --border: #2a3550;
    --border-focus: #3b82f6;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --accent-hover: #2563eb;
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.25);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.25);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.25);
    --glass: rgba(26, 34, 53, 0.6);
    --glass-border: rgba(255, 255, 255, 0.06);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background gradient */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ─── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Header ───────────────────────────────────────────────── */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 2rem;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent), #6366f1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 500;
}

.header-search {
    position: relative;
    width: 400px;
}

.header-search input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.header-search input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.header-search input::placeholder {
    color: var(--text-muted);
}

.header-search .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
    pointer-events: none;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #6366f1);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--accent-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    box-shadow: 0 4px 15px var(--success-glow);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--success-glow);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: #1a1a1a;
    box-shadow: 0 4px 15px var(--warning-glow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
    box-shadow: 0 4px 15px var(--danger-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--accent);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ─── Main Layout ──────────────────────────────────────────── */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* ─── Navigation Tabs ──────────────────────────────────────── */
.nav-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 4px;
    margin-bottom: 2rem;
    border: 1px solid var(--glass-border);
}

.nav-tab {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
}

.nav-tab.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.tab-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.nav-tab.active .tab-badge {
    background: rgba(255, 255, 255, 0.3);
}

/* ─── Stats Cards ──────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
}

.stat-card.blue::before { background: linear-gradient(90deg, var(--accent), #6366f1); }
.stat-card.green::before { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card.amber::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.stat-card.red::before { background: linear-gradient(90deg, var(--danger), #f87171); }

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--border);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    font-family: 'JetBrains Mono', monospace;
}

.stat-card.blue .stat-value { color: var(--accent); }
.stat-card.green .stat-value { color: var(--success); }
.stat-card.amber .stat-value { color: var(--warning); }
.stat-card.red .stat-value { color: var(--danger); }

/* ─── Section Panels ───────────────────────────────────────── */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.panel-title {
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-body {
    padding: 1.5rem;
}

/* ─── Add Part Form ────────────────────────────────────────── */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-input, .form-select {
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* ─── Photo Upload Zone ────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.05);
}

.upload-zone.has-image {
    padding: 0;
    border-style: solid;
    border-color: var(--success);
}

.upload-zone .upload-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.6;
}

.upload-zone .upload-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.upload-zone .upload-text strong {
    color: var(--accent);
}

.upload-preview {
    width: 100%;
    max-height: 250px;
    object-fit: contain;
    display: block;
    border-radius: var(--radius);
}

.upload-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 30px;
    height: 30px;
    background: var(--danger);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 2;
}

.upload-remove:hover {
    transform: scale(1.1);
}

/* ─── Parts Table ──────────────────────────────────────────── */
.parts-table-wrap {
    overflow-x: auto;
}

.parts-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.parts-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.parts-table th:hover {
    color: var(--accent);
}

.parts-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.9rem;
    vertical-align: middle;
}

.parts-table tr {
    transition: var(--transition);
}

.parts-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.parts-table tbody tr {
    cursor: pointer;
}

.part-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xs);
    object-fit: cover;
    border: 1px solid var(--border);
}

.part-thumb-placeholder {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-xs);
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0.4;
    border: 1px solid var(--border);
}

.part-number-cell {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--accent);
    font-size: 0.88rem;
}

.qty-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
}

.qty-badge.healthy {
    background: var(--success-glow);
    color: var(--success);
}

.qty-badge.low {
    background: var(--warning-glow);
    color: var(--warning);
}

.qty-badge.out {
    background: var(--danger-glow);
    color: var(--danger);
}

.location-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
}

.description-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ─── Modal ────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-modal);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--glass-border);
}

/* ─── Part Detail View ─────────────────────────────────────── */
.detail-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.5rem;
}

.detail-image {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    object-fit: contain;
    background: var(--bg-input);
    max-height: 280px;
}

.detail-image-placeholder {
    width: 100%;
    height: 200px;
    border-radius: var(--radius);
    background: var(--bg-input);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    opacity: 0.3;
}

.detail-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-part-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.detail-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.detail-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.meta-item {
    background: var(--bg-input);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
}

.meta-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    margin-bottom: 4px;
}

.meta-value {
    font-size: 1.15rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

/* ─── Take/Add Parts Controls ──────────────────────────────── */
.qty-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem 0;
}

.qty-input-group {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-input-group button {
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-input-group button:hover {
    background: var(--accent);
}

.qty-input-group input {
    width: 70px;
    height: 44px;
    text-align: center;
    background: transparent;
    border: none;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.qty-input-group input:focus {
    outline: none;
}

/* ─── Transaction History ──────────────────────────────────── */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 260px;
    overflow-y: auto;
}

.transaction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-input);
    border-radius: var(--radius-xs);
    border: 1px solid var(--glass-border);
    font-size: 0.85rem;
}

.transaction-action {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.transaction-action.taken { color: var(--danger); }
.transaction-action.added { color: var(--success); }
.transaction-action.initial { color: var(--accent); }
.transaction-action.adjustment { color: var(--warning); }

.transaction-qty {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

.transaction-time {
    color: var(--text-muted);
    font-size: 0.78rem;
}

/* ─── Empty State ──────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state .empty-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.empty-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto;
}

/* ─── Loading Spinner ──────────────────────────────────────── */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 14, 23, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-radius: var(--radius);
    z-index: 10;
}

.loading-overlay .spinner {
    width: 36px;
    height: 36px;
}

.loading-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ─── Toast Notifications ──────────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    min-width: 320px;
    max-width: 450px;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--accent); }

.toast-icon { font-size: 1.2rem; }
.toast-message { flex: 1; font-size: 0.88rem; }
.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

/* ─── Animations ───────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .header { padding: 0 1rem; }
    .header-search { display: none; }
    .main { padding: 1rem; }
    .nav-tabs { flex-wrap: wrap; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .detail-meta { grid-template-columns: 1fr; }
    .modal { max-width: 100%; margin: 1rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .header-inner { gap: 8px; }
    .logo-text { font-size: 1.2rem; letter-spacing: 2px; }
}

/* ─── Utility ──────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }