/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #16a34a;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --info-color: #0ea5e9;
    
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

/* Utility Classes */
.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.5s ease-in; }
.slide-up { animation: slideUp 0.6s ease-out; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Login Screen */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 1rem;
}

.login-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 480px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

/* Login-specific field layout */
.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.login-field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.login-input-wrap {
    display: flex;
    align-items: stretch;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fafafa;
    transition: var(--transition);
    overflow: hidden;
}

.login-input-wrap:focus-within {
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.login-input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 0.875rem;
    background: transparent;
    border-right: 1px solid var(--border-color);
}

.login-input-wrap:focus-within .login-input-icon {
    color: var(--primary-color);
    border-right-color: var(--primary-color);
}

.login-input-wrap input {
    flex: 1;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    background: transparent;
    padding: 0.875rem 1rem;
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-primary);
    min-width: 0;
    border-radius: 0;
}

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

.login-input-wrap input:focus {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* Keep global form-group position for other pages */
.form-group {
    position: relative;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: -0.5rem 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    padding: 0;
    margin: 0;
}

.login-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.login-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.login-btn:active {
    transform: translateY(0);
}

.demo-credentials {
    background: #f8fafc;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--info-color);
    padding: 1.5rem;
}

.demo-header h3 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.demo-header p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.demo-accounts {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.demo-account {
    background: white;
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    border: 1px solid var(--border-color);
}

.account-info {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.account-info i {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-top: 0.125rem;
}

.account-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.account-details strong {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.account-details span {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: 'Monaco', 'Menlo', monospace;
}

.quick-fill {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
    align-self: flex-start;
    margin-top: 0.25rem;
}

.quick-fill:hover {
    background: var(--primary-dark);
}

.error-message {
    background: #fef2f2;
    color: var(--danger-color);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    border: 1px solid #fecaca;
    font-size: 0.875rem;
}

/* Navigation */
/* ── Sidebar Navigation ───────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 220px;
    background: linear-gradient(180deg, #1e1b4b 0%, #312e81 40%, #1e1b4b 100%);
    z-index: 200;
    transition: transform 0.3s ease;
    box-shadow: 4px 0 24px rgba(49,46,129,0.35);
}

.nav-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1.25rem 1.25rem 1rem;
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    border-bottom: 1px solid rgba(167,139,250,0.2);
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.3) 0%, rgba(139,92,246,0.15) 100%);
}

.nav-brand i {
    font-size: 1.25rem;
    color: #fbbf24;
    filter: drop-shadow(0 0 6px rgba(251,191,36,0.5));
}

/* scrollable nav links area */
.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0.75rem 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(167,139,250,0.25) transparent;
}
.nav-menu::-webkit-scrollbar { width: 4px; }
.nav-menu::-webkit-scrollbar-thumb { background: rgba(167,139,250,0.3); border-radius: 2px; }

/* Dashboard direct link */
a.nav-item[data-page="dashboard.html"] {
    margin: 0 0.75rem 0.25rem;
    border-radius: 8px;
    border-left: none !important;
    padding-left: 1rem;
}

/* Hide admin-only sections for non-admin roles */
body:not(.role-admin) .admin-only { display: none !important; }

/* Collapsible section group */
.nav-section {
    display: flex;
    flex-direction: column;
}

.nav-section-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.55rem 1.25rem 0.55rem 1rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #fff;
    transition: color 0.15s ease, background 0.15s ease;
    margin-top: 0.35rem;
}

.nav-section-toggle:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.nav-section-toggle-inner {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-section-toggle-inner i {
    font-size: 0.65rem;
    width: 0.75rem;
    text-align: center;
}

.nav-chevron {
    font-size: 0.6rem;
    transition: transform 0.25s ease;
    color: rgba(255,255,255,0.5);
}

.nav-section-toggle[aria-expanded="true"] .nav-chevron {
    transform: rotate(90deg);
    color: #fff;
}

.nav-section-items {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease;
}

.nav-section-items.open {
    /* max-height is set inline by JS */
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.6rem 1.25rem;
    color: #fff;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease, border-left-color 0.15s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-left-color: rgba(255,255,255,0.5);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(99,102,241,0.3) 0%, rgba(139,92,246,0.1) 100%);
    color: #fbbf24;
    border-left-color: #fbbf24;
    font-weight: 600;
}

.nav-item.active i {
    color: #fbbf24;
    filter: drop-shadow(0 0 4px rgba(251,191,36,0.4));
}

.nav-item i {
    font-size: 0.875rem;
    width: 1rem;
    text-align: center;
    flex-shrink: 0;
    color: rgba(255,255,255,0.75);
    transition: color 0.15s ease;
}

.nav-item:hover i {
    color: #fff;
}

/* user info + logout pinned to bottom */
.nav-user {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(167,139,250,0.15);
    flex-shrink: 0;
    background: rgba(0,0,0,0.15);
}

.user-info {
    text-align: left;
}

.user-info #userName {
    display: block;
    font-weight: 600;
    font-size: 0.8125rem;
    color: #ede9fe;
}

.user-role {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.65);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    color: #fff;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.8125rem;
    width: 100%;
}

.logout-btn:hover {
    background: rgba(239,68,68,0.15);
    border-color: rgba(239,68,68,0.4);
    color: #fca5a5;
}

.change-pwd-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    color: rgba(255,255,255,0.75);
    cursor: pointer;
    transition: var(--transition-fast);
    flex-shrink: 0;
    align-self: center;
}

.change-pwd-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
    color: #fff;
}

.nav-user {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-user > .change-pwd-btn {
    align-self: flex-end;
}

/* Mobile hamburger — injected into body, never inside the transformed navbar */
.nav-toggle {
    display: none;
    position: fixed;
    top: 0.875rem;
    left: 0.875rem;
    z-index: 400;   /* above navbar (200) and overlay (350) */
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: #1e293b;
    padding: 0.5rem 0.6rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: var(--shadow-md);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #94a3b8;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
    transform-origin: center;
}

/* Animate to × when open */
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Dark overlay behind the sidebar on mobile */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 350;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* Main Content — offset for sidebar */
.main-content {
    margin-left: 220px;
    padding: 1.5rem 2rem;
    min-height: 100vh;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

.view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.view-header h2 i {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.view-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.view-controls select,
.view-controls input[type="number"] {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: inherit;
    background: #fff;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    min-width: 140px;
}

.view-controls select:focus,
.view-controls input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.compat-row select,
.compat-row input[type="number"],
.compat-row input[type="text"] {
    width: 100%;
    padding: 0.6rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-family: inherit;
    background: #fff;
    color: var(--text-primary);
    transition: var(--transition);
}

.compat-row select:focus,
.compat-row input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.search-box i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.filter-group select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--card-bg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: #475569;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #15803d;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover:not(:disabled) {
    background: #c2410c;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-info:hover:not(:disabled) {
    background: #0284c7;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* Vehicle list items in edit/add client modal */
.vehicle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    background: #fafafa;
}

.vehicle-item-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.vehicle-item-actions {
    display: flex;
    gap: 0.35rem;
    flex-shrink: 0;
}

.plate-badge {
    background: #e0f2fe;
    color: #0369a1;
    border-radius: 4px;
    padding: 0.1rem 0.45rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.vehicle-color {
    color: #888;
    font-size: 0.82rem;
}

.vehicle-inline-form {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.85rem;
    margin-bottom: 0.5rem;
    background: #f8fafc;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

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

.card-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header h3 i {
    color: var(--primary-color);
    font-size: 1rem;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.card-link:hover {
    text-decoration: underline;
}

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

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card.mini {
    padding: 1rem;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.stat-card.mini .stat-icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
}

.stat-icon.blue { background: linear-gradient(135deg, var(--primary-color), #3b82f6); }
.stat-icon.green { background: linear-gradient(135deg, var(--success-color), #22c55e); }
.stat-icon.yellow { background: linear-gradient(135deg, var(--warning-color), #f59e0b); }
.stat-icon.purple { background: linear-gradient(135deg, #9333ea, #a855f7); }

.stat-info h3, .stat-info h4 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-card.mini .stat-info h4 {
    font-size: 1.25rem;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--success-color);
}

.stat-trend.warning {
    color: var(--warning-color);
}

.stat-trend i {
    font-size: 0.625rem;
}

.service-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    padding: 1.5rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    background: #f8fafc;
    color: var(--text-primary);
    font-weight: 600;
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition-fast);
}

.data-table tbody tr:hover {
    background: #f8fafc;
}

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

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-badge.completed,
.status-badge.paid {
    background: #dcfce7;
    color: #166534;
}

.status-badge.pending {
    background: #fef3c7;
    color: #92400e;
}

.status-badge.in-progress {
    background: #dbeafe;
    color: #1e40af;
}

.status-badge.closed {
    background: #e0e7ff;
    color: #3730a3;
}

.status-badge.debt,
.status-badge.service-not-complete {
    background: #fef3c7;
    color: #92400e;
}

.status-badge.overdue {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.cancelled {
    background: #f3f4f6;
    color: #6b7280;
}

.status-badge.ready-to-collect {
    background: #dbeafe;
    color: #1e40af;
}

.status-badge.low-stock {
    background: #fef3c7;
    color: #92400e;
}

.status-badge.out-of-stock {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.in-stock {
    background: #dcfce7;
    color: #166534;
}

/* Action Buttons */
.action-btn {
    padding: 0.375rem 0.625rem;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-right: 0.375rem;
    margin-bottom: 0.25rem;
}

.action-btn:hover {
    background: #f8fafc;
    color: var(--text-primary);
}

.action-btn.view { border-color: var(--info-color); color: var(--info-color); }
.action-btn.view:hover { background: #f0f9ff; }

.action-btn.edit { border-color: var(--warning-color); color: var(--warning-color); }
.action-btn.edit:hover { background: #fffbeb; }

.action-btn.delete { border-color: var(--danger-color); color: var(--danger-color); }
.action-btn.delete:hover { background: #fef2f2; }

.action-btn.print { border-color: var(--success-color); color: var(--success-color); }
.action-btn.print:hover { background: #f0fdf4; }

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.date-filter {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    width: auto;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    animation: slideUp 0.3s ease;
}

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.modal-close:hover {
    background: #f1f5f9;
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: #fafafa;
}

.confirmation-dialog .modal-content {
    max-width: 400px;
}

/* Service Details Specific */
.service-details-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.service-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
}

.service-info-grid .info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.service-info-grid .info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.service-info-grid .info-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Invoice Specific Styles */
.invoice-container {
    max-width: 800px;
    margin: 0 auto;
}

.invoice-card {
    padding: 2rem;
    margin-bottom: 0;
}

.invoice-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.company-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.company-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.invoice-info {
    text-align: right;
}

.invoice-info h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.invoice-parties {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.invoice-parties h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.invoice-items {
    margin-bottom: 2rem;
}

.invoice-table {
    margin-bottom: 0;
}

.invoice-totals {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 2rem;
}

.totals-grid {
    min-width: 300px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.total-row.final-total {
    border-bottom: 2px solid var(--primary-color);
    border-top: 2px solid var(--primary-color);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--primary-color);
}

.total-label {
    font-weight: 600;
}

.total-amount {
    font-weight: 600;
    color: var(--text-primary);
}

.invoice-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.payment-info h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.thank-you {
    text-align: right;
}

.thank-you h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Loading and Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-spinner p {
    color: var(--text-primary);
    font-weight: 500;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 350px;
    transform: translateX(100%);
    opacity: 0;
    transition: var(--transition);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-info {
    border-left: 4px solid var(--info-color);
}

.toast i {
    font-size: 1.125rem;
}

.toast-success i { color: var(--success-color); }
.toast-error i { color: var(--danger-color); }
.toast-warning i { color: var(--warning-color); }
.toast-info i { color: var(--info-color); }

.toast span {
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        transform: translateX(-100%);
        z-index: 370; /* above overlay (350), below toggle (400) */
    }
    .navbar.mobile-open {
        transform: translateX(0);
    }
    .nav-toggle {
        display: flex;
    }
    .main-content {
        margin-left: 0;
        padding-top: 4rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .service-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .view-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: auto;
    }
    
    .invoice-header,
    .invoice-parties,
    .invoice-footer {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .invoice-info {
        text-align: left;
    }
    
    .thank-you {
        text-align: left;
    }
    
    .table-container {
        padding: 1rem;
    }
    
    .main-content {
        padding: 1rem;
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .service-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .header-actions .btn {
        flex: 1;
        justify-content: center;
    }
    
    .toast-container {
        left: 1rem;
        right: 1rem;
    }
    
    .toast {
        max-width: none;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        font-size: 12px;
    }
    
    .navbar,
    .nav-toggle,
    .header-actions,
    .btn,
    .modal,
    .loading-overlay,
    .toast-container {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
        padding: 0;
        max-width: none;
    }
    
    .invoice-container {
        max-width: none;
        margin: 0;
    }
    
    .card {
        box-shadow: none;
        border: none;
    }
    
    .invoice-card {
        padding: 0;
    }
    
    .data-table {
        font-size: 11px;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0f172a;
        --card-bg: #1e293b;
        --border-color: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
    }
}