/* ============================================
   HIGHLINE STORAGE - PREMIUM DESIGN SYSTEM
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #06b6d4;
    --primary-dark: #0891b2;
    --primary-light: #22d3ee;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Backgrounds */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: rgba(30, 41, 59, 0.5);
    --bg-card-hover: rgba(30, 41, 59, 0.7);
    
    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    /* Borders */
    --border-color: rgba(148, 163, 184, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   LOGIN PAGE
   ============================================ */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    animation: fadeInUp 0.6s ease-out;
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px 40px;
    box-shadow: var(--shadow-xl);
}

.logo-section {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 16px;
    object-fit: contain;
}

.logo-section h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-section p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition);
    text-align: center;
    font-size: 24px;
    letter-spacing: 8px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(6, 182, 212, 0.3);
}

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

.btn-large {
    width: 100%;
    padding: 16px 24px;
    font-size: 16px;
}

.error-message {
    display: none;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--border-radius);
    color: var(--danger);
    font-size: 14px;
    text-align: center;
}

.error-message.show {
    display: block;
    animation: shake 0.4s ease-in-out;
}

.login-footer {
    text-align: center;
    margin-top: 32px;
    color: var(--text-muted);
    font-size: 13px;
}

/* ============================================
   MAIN LAYOUT
   ============================================ */

.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.header-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.header-logo h1 {
    font-size: 20px;
    font-weight: 700;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-link.active {
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary-light);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-logout {
    padding: 8px 16px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: none;
}

.main-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 24px;
    width: 100%;
}

.page-header {
    margin-bottom: 32px;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ============================================
   DASHBOARD
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(148, 163, 184, 0.2);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.stat-icon.primary {
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary-light);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-subtitle {
    color: var(--text-muted);
    font-size: 13px;
}

/* ============================================
   VEHICLES PAGE
   ============================================ */

.page-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

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

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.btn-add {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    white-space: nowrap;
}

.vehicles-table {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
}

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

.table thead {
    background: rgba(15, 23, 42, 0.5);
}

.table th {
    padding: 16px 20px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
}

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

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.vehicle-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vehicle-name {
    font-weight: 600;
    color: var(--text-primary);
}

.vehicle-details {
    font-size: 13px;
    color: var(--text-muted);
}

.customer-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.customer-name {
    font-weight: 500;
    color: var(--text-primary);
}

.customer-contact {
    font-size: 13px;
    color: var(--text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.btn-icon {
    padding: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    opacity: 0.3;
}

.empty-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-text {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ============================================
   MODAL
   ============================================ */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    animation: fadeIn 0.3s ease-out;
}

.modal-overlay.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: scaleIn 0.3s ease-out;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: none;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .header-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .nav {
        width: 100%;
        overflow-x: auto;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        display: block;
        overflow-x: auto;
    }
    
    .page-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: 100%;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.hidden { display: none !important; }



/* Page Header with Stats */
.page-header-with-stats {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    gap: 32px;
    flex-wrap: wrap;
}

.page-header-left {
    flex: 0 0 auto;
}

.stats-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.stat-card-compact {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px 20px;
    min-width: 200px;
    transition: var(--transition);
}

.stat-card-compact:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-card-compact .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-compact .stat-icon svg {
    color: var(--primary);
}

.stat-card-compact .stat-content {
    flex: 1;
}

.stat-card-compact .stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-card-compact .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card-compact .stat-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .page-header-with-stats {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stats-row {
        width: 100%;
    }
    
    .stat-card-compact {
        flex: 1;
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .stats-row {
        flex-direction: column;
    }
    
    .stat-card-compact {
        width: 100%;
    }
}



/* Payment Calendar Blocks */
.payment-calendar {
    display: flex;
    gap: 4px;
    align-items: center;
}

.payment-month {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    position: relative;
}

.payment-month:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.payment-month.unpaid {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
}

.payment-month.paid {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
}



.payment-month-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Modal small variant */
.modal-small {
    max-width: 480px;
}

/* Table with payments */
.table-with-payments {
    min-width: 1200px;
}

.table-with-payments th,
.table-with-payments td {
    white-space: nowrap;
}

.table-with-payments td:nth-child(5) {
    white-space: normal;
}



/* Payment History */
.payment-history-row {
    background: rgba(15, 23, 42, 0.5) !important;
}

.payment-history-container {
    padding: 24px;
    border-top: 1px solid var(--border-color);
}

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

.payment-history-table thead th {
    text-align: left;
    padding: 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.payment-history-table tbody td {
    padding: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(148, 163, 184, 0.05);
}

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

.payment-type-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary);
}



/* Copy Button */
.copy-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--primary);
}

.copy-btn:hover {
    background: rgba(6, 182, 212, 0.2);
    border-color: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.copy-btn:active {
    transform: translateY(-50%) scale(0.95);
}



/* Radio Button Groups */
.radio-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.radio-option {
    flex: 1;
    min-width: 120px;
    position: relative;
    cursor: pointer;
}

.radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-option .radio-label {
    display: block;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.5);
    border: 2px solid rgba(148, 163, 184, 0.2);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s ease;
    user-select: none;
}

.radio-option input[type="radio"]:checked + .radio-label {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.radio-option:hover .radio-label {
    border-color: rgba(148, 163, 184, 0.4);
    transform: translateY(-1px);
}

.radio-option input[type="radio"]:checked + .radio-label:hover {
    border-color: var(--primary);
}



/* Mobile Responsive */
@media (max-width: 1200px) {
    .table-with-payments {
        font-size: 13px;
    }
    
    .payment-month {
        min-width: 36px;
        height: 36px;
        font-size: 10px;
    }
}

@media (max-width: 768px) {
    .page-header-content {
        flex-direction: column;
        gap: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .vehicles-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table-with-payments {
        min-width: 900px;
    }
    
    .btn-icon {
        width: 32px;
        height: 32px;
    }
    
    .btn-icon svg {
        width: 14px;
        height: 14px;
    }
}