/* SPECTRA - Mobile Service System
   Frontend Styles */

:root {
    --primary: #00d4ff;
    --primary-dark: #00a8cc;
    --secondary: #00ff88;
    --accent: #a855f7;
    --bg-dark: #0a0a1a;
    --bg-card: #1a1a2e;
    --bg-sidebar: #12122a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #666680;
    --border-color: #2a2a4a;
    --success: #00ff88;
    --warning: #ffb800;
    --danger: #ff4757;
    --info: #00d4ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

body.spectra-app {
    display: flex;
}

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

a:hover {
    color: var(--secondary);
}

/* Sidebar */
.spectra-sidebar {
    width: 260px;
    min-height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

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

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
    overflow-y: auto;
}

.nav-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.85rem 1.5rem;
    color: var(--text-secondary);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-menu li a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--text-primary);
}

.nav-menu li.active a {
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-menu li a svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.logout-btn {
    padding: 0.5rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.logout-btn:hover {
    color: var(--danger);
}

.logout-btn svg {
    width: 20px;
    height: 20px;
}

/* Main content */
.spectra-main {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-header {
    padding: 1rem 2rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

.main-content {
    flex: 1;
    padding: 2rem;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Filters */
.filters {
    flex: 1;
}

.filter-form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-select, .filter-input {
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    min-width: 150px;
}

.filter-select:focus, .filter-input:focus {
    outline: none;
    border-color: var(--primary);
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.filter-checkbox input {
    accent-color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #000;
}

.btn-primary:hover {
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--primary);
}

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

.btn-ghost:hover {
    color: var(--primary);
}

.btn-danger {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-success {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
}

.btn-success:hover {
    background: var(--success);
    color: #000;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
}

.btn-sm svg {
    width: 16px;
    height: 16px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Tables */
.table-container {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    background: rgba(0, 212, 255, 0.1);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr.low-stock {
    background: rgba(255, 71, 87, 0.1);
}

.data-table .no-data {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem !important;
}

.description-cell {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-original { background: linear-gradient(135deg, #ffd700, #ff8c00); color: #000; }
.badge-oem { background: rgba(168, 85, 247, 0.3); color: var(--accent); }
.badge-compatible { background: rgba(0, 212, 255, 0.3); color: var(--primary); }
.badge-refurbished { background: rgba(255, 184, 0, 0.3); color: var(--warning); }

.status-success, .badge-success { background: rgba(0, 255, 136, 0.2); color: var(--success); }
.status-warning, .badge-warning { background: rgba(255, 184, 0, 0.2); color: var(--warning); }
.status-danger, .badge-danger { background: rgba(255, 71, 87, 0.2); color: var(--danger); }
.status-info, .badge-info { background: rgba(0, 212, 255, 0.2); color: var(--info); }
.status-default { background: rgba(160, 160, 176, 0.2); color: var(--text-secondary); }

.badge-admin { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }
.badge-user { background: rgba(160, 160, 176, 0.3); color: var(--text-secondary); }

/* Quantity control */
.quantity-control {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-dark);
    border-radius: 8px;
    padding: 0.25rem;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.qty-btn:hover {
    background: var(--primary);
    color: #000;
}

.qty-value {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.modal-content.modal-lg {
    max-width: 700px;
}

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

.modal-header h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

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

/* Forms */
form {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    accent-color: var(--primary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(0, 255, 136, 0.15);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--success);
}

.alert-danger {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--danger);
}

.alert-info {
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--info);
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon.inventory { background: rgba(0, 212, 255, 0.2); color: var(--primary); }
.stat-icon.service { background: rgba(168, 85, 247, 0.2); color: var(--accent); }
.stat-icon.phones { background: rgba(0, 255, 136, 0.2); color: var(--secondary); }
.stat-icon.revenue { background: rgba(255, 184, 0, 0.2); color: var(--warning); }

.stat-content h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-warning {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--warning);
}

.stat-warning svg {
    width: 16px;
    height: 16px;
}

.stat-expense {
    font-size: 0.85rem;
    color: var(--danger);
    margin-top: 0.5rem;
}

.stat-link {
    display: block;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--primary);
}

.stat-link:hover {
    color: var(--secondary);
}

/* Quick actions */
.dashboard-section {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.dashboard-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.quick-action {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-dark);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: all 0.2s;
    border: 1px solid transparent;
}

.quick-action:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

.quick-action svg {
    width: 20px;
    height: 20px;
}

.inventory-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.inventory-note {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Phones grid */
.phones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.phone-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.phone-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2);
}

.phone-card.sold {
    opacity: 0.6;
}

.phone-image {
    height: 180px;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.phone-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.phone-image .no-image {
    color: var(--border-color);
}

.phone-image .no-image svg {
    width: 64px;
    height: 64px;
}

.phone-status {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.phone-info {
    padding: 1.25rem;
}

.phone-info h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.phone-model {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.phone-specs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.phone-specs span {
    background: var(--bg-dark);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.phone-prices {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.price-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.price-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.price-value {
    font-weight: 600;
}

.price-value.highlight {
    color: var(--primary);
    font-size: 1.1rem;
}

.phone-actions {
    padding: 0 1.25rem 1.25rem;
    display: flex;
    gap: 0.5rem;
}

/* Summary bar */
.summary-bar {
    background: var(--bg-card);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.summary-bar strong {
    color: var(--primary);
}

/* Reports */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.report-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.report-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.report-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.report-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-dark);
    border-radius: 8px;
}

.report-stat.highlight {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

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

.stat-value {
    font-weight: 600;
    font-size: 1.1rem;
}

.stat-value.success { color: var(--success); }
.stat-value.danger { color: var(--danger); }
.stat-value.warning { color: var(--warning); }
.stat-value.info { color: var(--info); }

.report-section {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.report-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.quick-reports {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.quick-report {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.quick-report:hover {
    color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

.quick-report svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Settings */
.settings-container {
    max-width: 900px;
}

.settings-section {
    margin-bottom: 2rem;
}

.settings-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.section-description {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.settings-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.settings-card h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.settings-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.settings-table {
    width: 100%;
    border-collapse: collapse;
}

.settings-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-table tr:last-child td {
    border-bottom: none;
}

.settings-table td:first-child {
    color: var(--text-secondary);
    width: 40%;
}

.plugin-list {
    list-style: none;
    padding: 0;
}

.plugin-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.tag {
    background: var(--bg-dark);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Login page */
.spectra-login-page {
    margin-left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-box {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.login-logo {
    margin-bottom: 2rem;
    position: relative;
}

.logo-ring {
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top-color: var(--primary);
    border-right-color: var(--secondary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-box h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.login-form .form-group {
    text-align: left;
}

.login-form .btn {
    margin-top: 1rem;
}

.login-form .btn svg {
    transition: transform 0.3s;
}

.login-form .btn:hover svg {
    transform: translateX(4px);
}

/* Text utilities */
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.amount { font-weight: 600; }

/* Responsive */
@media (max-width: 768px) {
    .spectra-sidebar {
        transform: translateX(-100%);
    }

    .spectra-sidebar.active {
        transform: translateX(0);
    }

    .spectra-main {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-content {
        padding: 1rem;
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-form {
        flex-direction: column;
    }

    .filter-select, .filter-input {
        width: 100%;
    }

    .data-table {
        display: block;
        overflow-x: auto;
    }

    .modal {
        align-items: flex-start;
        padding: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .modal-content {
        margin: 0;
        max-height: none;
        width: 100%;
        max-width: 100%;
        border-radius: 0;
        min-height: 100vh;
    }

    .modal-header {
        position: sticky;
        top: 0;
        z-index: 10;
        background: var(--bg-card);
        padding: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px;
        padding: 0.65rem 0.75rem;
    }

    .form-actions {
        position: sticky;
        bottom: 0;
        background: var(--bg-card);
        padding: 1rem 1.5rem;
        border-top: 1px solid var(--border-color);
        margin: 0 -1.5rem;
    }

    .data-table .btn-sm {
        min-width: 40px;
        min-height: 40px;
        padding: 0.5rem;
    }

    .quantity-control .qty-btn {
        min-width: 36px;
        min-height: 36px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .phones-grid {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}