/* Volkswagen Style Custom CSS - Sleek & Compact */
:root {
    --vw-blue: #001e50;
    --vw-light-blue: #0066cc;
    --vw-white: #ffffff;
    --vw-light-gray: #f8f9fa;
    --vw-gray: #6c757d;
    --vw-dark-gray: #212529;
    --vw-border: #dee2e6;
    --vw-success: #28a745;
    --vw-danger: #dc3545;
    --vw-warning: #ffc107;
    --shadow-light: 0 2px 8px rgba(0, 30, 80, 0.08);
    --shadow-medium: 0 4px 12px rgba(0, 30, 80, 0.12);
    --shadow-strong: 0 8px 20px rgba(0, 30, 80, 0.15);
}

* {
    box-sizing: border-box;
}

/* Login Screen Styles */
.login-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--vw-blue) 0%, #1a4480 100%);
    z-index: 1000;
}

.login-card {
    background: var(--vw-white);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 30, 80, 0.2);
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-header h3 {
    color: var(--vw-blue);
    font-weight: 700;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--vw-border);
    border-radius: 12px;
    font-size: 1rem;
    background: var(--vw-white);
    color: var(--vw-dark-gray);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--vw-light-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-input::placeholder {
    color: var(--vw-gray);
    font-weight: 400;
}

.login-btn {
    background: var(--vw-light-blue);
    color: var(--vw-white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.login-btn:hover {
    background: #005bb5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.login-error {
    background: #fee;
    color: #c53030;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-top: 1rem;
    border: 1px solid #fed7d7;
}

.login-error.success {
    background: #f0fff4;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.login-subtitle {
    color: var(--vw-gray);
    font-size: 0.875rem;
    margin: 0;
    font-weight: 400;
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--vw-light-gray);
    color: var(--vw-dark-gray);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    min-height: 100vh;
    font-size: 14px;
}

/* Compact Navbar */
.navbar {
    background: var(--vw-blue) !important;
    border-bottom: 2px solid var(--vw-light-blue);
    box-shadow: var(--shadow-medium);
    padding: 0.75rem 0;
    min-height: 60px;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--vw-white) !important;
    letter-spacing: -0.5px;
}

.navbar-text {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 0.9rem;
}

.btn-outline-light {
    border: 1.5px solid rgba(255, 255, 255, 0.8);
    color: var(--vw-white);
    font-weight: 500;
    border-radius: 20px;
    padding: 0.4rem 1.2rem;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.btn-outline-light:hover {
    background-color: var(--vw-white);
    color: var(--vw-blue);
    border-color: var(--vw-white);
    transform: translateY(-1px);
}

/* Compact Container */
.container-fluid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* Sleek Cards */
.card {
    border: 1px solid var(--vw-border);
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    transition: all 0.2s ease;
    margin-bottom: 1.5rem;
    background: var(--vw-white);
    overflow: hidden;
}

.card-header {
    background: var(--vw-blue);
    color: var(--vw-white);
    border: none;
    border-radius: 0;
    padding: 1rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    border-bottom: none;
}

.card-body {
    padding: 1.5rem;
}

.card-header.bg-success {
    background-color: var(--vw-blue) !important;
}

/* Sleek Buttons */
.btn {
    border-radius: 20px;
    font-weight: 500;
    padding: 0.6rem 1.5rem;
    border: none;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    line-height: 1.4;
    min-height: 36px;
}

.btn-primary, .btn-success {
    background: var(--vw-blue);
    color: var(--vw-white);
}

.btn-primary:hover, .btn-success:hover {
    background: var(--vw-light-blue);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

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

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

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Compact Forms */
.form-group {
    margin-bottom: 1.2rem;
}

.form-label {
    font-weight: 500;
    color: var(--vw-dark-gray);
    margin-bottom: 0.4rem;
    display: block;
    font-size: 0.9rem;
}

.form-control {
    border: 1.5px solid var(--vw-border);
    border-radius: 12px;
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    background-color: var(--vw-white);
    height: auto;
}

.form-control:focus {
    border-color: var(--vw-light-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--vw-gray);
    font-size: 0.85rem;
}

.form-text {
    color: var(--vw-gray);
    font-size: 0.8rem;
}

/* Compact Date picker */
.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--vw-blue);
}

.file-item {
    background-color: var(--vw-gray-light);
    border: 2px solid var(--vw-border);
    border-radius: 0;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.file-item:hover {
    background-color: var(--vw-gray-medium);
    border-color: var(--vw-blue);
}

.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.file-details {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 600;
    color: var(--vw-black);
    margin-bottom: 0.5rem;
}

.file-meta {
    font-size: 0.875rem;
    color: var(--vw-gray-dark);
}

.file-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.alert {
    border-radius: 0;
    border: 2px solid transparent;
    border-left: 4px solid var(--vw-blue);
}

.alert-info {
    background-color: rgba(0, 30, 80, 0.1);
    border-color: var(--vw-blue);
    color: var(--vw-blue);
}

.alert-success {
    background-color: rgba(74, 144, 226, 0.1);
    border-color: var(--vw-light-blue);
    color: var(--vw-blue);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #dc3545;
}

.text-success {
    color: var(--vw-blue) !important;
}

.processing-complete {
    color: var(--vw-blue);
    font-weight: 600;
}

.processing-warning {
    color: var(--vw-warning);
    font-weight: 600;
}

.processing-error {
    color: #dc3545;
    font-weight: 600;
}

/* VW Style Lines and Borders */
.container {
    border-left: 4px solid var(--vw-blue);
    padding-left: 2rem;
}

.row {
    position: relative;
}

.row::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--vw-border);
}

/* Table Styling */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background-color: var(--vw-blue);
    color: var(--vw-white);
    border: none;
    padding: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    border-top: 1px solid var(--vw-border);
    padding: 1rem;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--vw-gray-light);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .file-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .file-actions {
        margin-top: 1rem;
        width: 100%;
    }
    
    .file-actions .btn {
        flex: 1;
    }
    
    .container {
        border-left: none;
        padding-left: 1rem;
    }
    
    .row::before {
        display: none;
    }
}

/* Animation for status updates */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

::-webkit-scrollbar-track {
    background: var(--vw-gray-light);
}

::-webkit-scrollbar-thumb {
    background: var(--vw-blue);
    border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--vw-light-blue);
}

/* VW Brand Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--vw-black);
}

/* Loading animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid var(--vw-border);
    border-top: 3px solid var(--vw-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Multiple File Upload Styles */
.files-preview-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--vw-border);
    border-radius: 8px;
    padding: 0.5rem;
    background-color: var(--vw-light-gray);
}

.file-preview-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background: var(--vw-white);
    border: 1px solid var(--vw-border);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.file-preview-item:hover {
    border-color: var(--vw-light-blue);
    box-shadow: 0 2px 4px rgba(0, 102, 204, 0.1);
}

.file-preview-info {
    flex-grow: 1;
}

.file-preview-name {
    font-weight: 500;
    color: var(--vw-dark-gray);
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
}

.file-preview-size {
    color: var(--vw-gray);
    font-size: 0.75rem;
}

.template-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    white-space: nowrap;
    margin-left: 0.5rem;
}

.template-badge.unknown {
    background-color: #f8f9fa;
    color: var(--vw-gray);
    border: 1px solid var(--vw-border);
}

.template-badge.detected {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.template-badge.high {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.template-badge.medium {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.template-badge.low {
    background-color: #fff3e0;
    color: #f57c00;
    border: 1px solid #ffcc02;
}

.template-badge.error {
    background-color: #ffebee;
    color: #d32f2f;
    border: 1px solid #ffcdd2;
}

.template-badge.detecting {
    background-color: #e1f5fe;
    color: #0277bd;
    border: 1px solid #b3e5fc;
    animation: pulse 1.5s ease-in-out infinite alternate;
}

.template-badge.auth-required {
    background-color: #fff3e0;
    color: #e65100;
    border: 1px solid #ffb74d;
}

.template-badge.manual {
    background-color: #e8f5e8;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
    font-weight: 600;
}

/* Template badge dropdown styles */
.template-badge-dropdown {
    background: none;
    border: none;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    white-space: nowrap;
    margin-left: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.template-badge-dropdown:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.template-badge-dropdown.unknown {
    background-color: #f8f9fa;
    color: var(--vw-gray);
    border: 1px solid var(--vw-border);
}

.template-badge-dropdown.detected {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.template-badge-dropdown.high {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.template-badge-dropdown.medium {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.template-badge-dropdown.low {
    background-color: #fce4ec;
    color: #c2185b;
    border: 1px solid #f8bbd9;
}

.template-badge-dropdown.error {
    background-color: #ffebee;
    color: #d32f2f;
    border: 1px solid #ffcdd2;
}

.template-badge-dropdown.detecting {
    background-color: #e1f5fe;
    color: #0277bd;
    border: 1px solid #b3e5fc;
    animation: pulse 1.5s ease-in-out infinite alternate;
}

.template-badge-dropdown.auth-required {
    background-color: #fff3e0;
    color: #e65100;
    border: 1px solid #ffb74d;
}

.template-badge-dropdown.manual {
    background-color: #e8f5e8;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
    font-weight: 600;
}

@keyframes pulse {
    from {
        opacity: 0.6;
    }
    to {
        opacity: 1.0;
    }
}

.remove-file-btn {
    background: none;
    border: none;
    color: var(--vw-danger);
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-left: 0.5rem;
}

.remove-file-btn:hover {
    background-color: var(--vw-danger);
    color: white;
}

/* Upload mode toggle */
.btn-group .btn-check:checked + .btn-outline-light {
    background-color: var(--vw-white);
    color: var(--vw-blue);
    border-color: var(--vw-white);
}

/* Multiple file status section */
.upload-status-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.upload-status-item {
    padding: 1rem;
    border: 1px solid var(--vw-border);
    border-radius: 8px;
    background: var(--vw-white);
    transition: all 0.2s ease;
}

.upload-status-item.success {
    border-left: 4px solid var(--vw-success);
    background-color: #f8fff9;
}

.upload-status-item.error {
    border-left: 4px solid var(--vw-danger);
    background-color: #fff5f5;
}

.upload-status-item.warning {
    border-left: 4px solid var(--vw-warning);
    background-color: #fffbf0;
}

.upload-status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.upload-status-filename {
    font-weight: 500;
    color: var(--vw-dark-gray);
    font-size: 0.9rem;
}

.upload-status-template {
    font-size: 0.8rem;
    color: var(--vw-gray);
}

.upload-status-message {
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* Loader styles */
.loader-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--vw-border);
    border-top: 4px solid var(--vw-light-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

/* Responsive adjustments for multiple upload */
@media (max-width: 768px) {
    .upload-status-grid {
        grid-template-columns: 1fr;
    }
    
    .file-preview-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .template-badge {
        margin-left: 0;
        margin-top: 0.3rem;
    }
    
    .remove-file-btn {
        position: absolute;
        top: 0.5rem;
        right: 0.5rem;
    }
    
    .file-preview-item {
        position: relative;
        padding-right: 2rem;
    }
    
}

/* Template section and dropdown styles */
.template-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.template-dropdown {
    min-width: 120px;
    max-width: 140px;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--vw-border);
    border-radius: 6px;
    background-color: var(--vw-white);
    color: var(--vw-dark-gray);
    cursor: pointer;
    transition: all 0.2s ease;
}

.template-dropdown:focus {
    outline: none;
    border-color: var(--vw-light-blue);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.template-dropdown:hover {
    border-color: var(--vw-light-blue);
}

@media (max-width: 768px) {
    .template-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
        width: 100%;
    }
    
    .template-dropdown {
        width: 100%;
        max-width: none;
    }
}

/* Manual template override section */
.template-override-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--vw-white);
    border: 1px solid var(--vw-border);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.template-override-item:hover {
    border-color: var(--vw-light-blue);
    box-shadow: 0 2px 4px rgba(0, 102, 204, 0.1);
}

.template-override-info {
    flex-grow: 1;
    margin-right: 1rem;
}

.template-override-name {
    font-weight: 500;
    color: var(--vw-dark-gray);
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.template-override-status {
    font-size: 0.75rem;
    color: var(--vw-gray);
}

.template-override-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.template-override-dropdown {
    min-width: 140px;
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--vw-border);
    border-radius: 6px;
    background-color: var(--vw-white);
    color: var(--vw-dark-gray);
    cursor: pointer;
    transition: all 0.2s ease;
}

.template-override-dropdown:focus {
    outline: none;
    border-color: var(--vw-light-blue);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.template-override-dropdown:hover {
    border-color: var(--vw-light-blue);
}

.alert-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.toggle-override-btn {
    background: none;
    border: 1px solid var(--vw-light-blue);
    color: var(--vw-light-blue);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-override-btn:hover {
    background-color: var(--vw-light-blue);
    color: var(--vw-white);
}

.toggle-override-btn.active {
    background-color: var(--vw-light-blue);
    color: var(--vw-white);
    border-color: var(--vw-light-blue);
}

@media (max-width: 768px) {
    .template-override-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .template-override-info {
        width: 100%;
        margin-right: 0;
    }
    
    .template-override-control {
        width: 100%;
        justify-content: flex-end;
    }
    
    .template-override-dropdown {
        width: 100%;
        min-width: auto;
    }
}