/* ============================================
   VEHICLE TRANSFER SYSTEM - STYLESHEET
   ============================================ */

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #0ea5e9;
    --light-color: #f8fafc;
    --dark-color: #0f172a;
    --gray-color: #64748b;
}

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

body {
    background: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #334155;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 0.75rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.375rem;
    transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
    background: rgba(255, 255, 255, 0.1);
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    background: white;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.card-header {
    background: white;
    border-bottom: 2px solid #f1f5f9;
    padding: 1.25rem;
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    color: white;
    border-bottom: none;
}

/* Stat Cards */
.stat-card {
    background: white;
    border-left: 4px solid var(--secondary-color);
    padding: 1.5rem;
}

.stat-card.approved { border-left-color: var(--success-color); }
.stat-card.pending { border-left-color: var(--accent-color); }
.stat-card.rejected { border-left-color: var(--danger-color); }

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    border-radius: 8px;
    transition: all 0.2s;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    background: transparent;
}

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

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-label {
    font-weight: 600;
    color: #475569;
    margin-bottom: 0.5rem;
}

.input-group-text {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-right: none;
    color: var(--gray-color);
}

/* Document Preview */
.document-preview {
    background: white;
    border: 3px solid #e2e8f0;
    border-radius: 10px;
    padding: 3rem;
    position: relative;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
    box-shadow: inset 0 0 60px rgba(0,0,0,0.02);
}

.document-stamp {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 140px;
    height: 140px;
    border: 4px solid var(--success-color);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--success-color);
    font-weight: bold;
    font-size: 16px;
    transform: rotate(-15deg);
    opacity: 0.9;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.2;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.document-stamp.pending {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
}

.document-stamp.rejected {
    border-color: var(--danger-color);
    color: var(--danger-color);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    font-size: 100px;
    color: rgba(59, 130, 246, 0.04);
    font-weight: bold;
    pointer-events: none;
    z-index: 0;
    user-select: none;
}

/* Tables */
.table {
    font-size: 0.9rem;
}

.table th {
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #e2e8f0;
}

.table-hover tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

/* Status Badges */
.status-badge {
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.status-pending { background: #fef3c7; color: #92400e; }
.status-approved { background: #d1fae5; color: #065f46; }
.status-rejected { background: #fee2e2; color: #991b1b; }

/* Hero Sections */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.verification-hero {
    background: linear-gradient(135deg, #065f46 0%, #047857 100%);
    color: white;
    padding: 3rem 0;
}

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 450px;
    animation: slideUp 0.5s ease-out;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(30, 58, 138, 0.3);
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.verification-result {
    animation: slideUp 0.5s ease-out;
}

/* Print Styles */
@media print {
    .no-print { display: none !important; }
    .document-preview { 
        border: 2px solid #000 !important; 
        box-shadow: none !important;
    }
    .document-stamp { 
        border: 3px solid #000 !important; 
        color: #000 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    body { background: white !important; }
    .card { box-shadow: none !important; border: 1px solid #ddd !important; }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .document-preview { padding: 1.5rem; }
    .document-stamp { 
        width: 100px; 
        height: 100px; 
        font-size: 12px;
        top: 10px;
        right: 10px;
    }
    .stat-card { margin-bottom: 1rem; }
    .hero-section { padding: 2rem 0; }
}

/* Utility Classes */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.border-left-4 {
    border-left: 4px solid;
}

.shadow-soft {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.25rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
}

/* Modal */
.modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
    border-bottom: 2px solid #f1f5f9;
    padding: 1.25rem;
}

.modal-footer {
    border-top: 2px solid #f1f5f9;
    padding: 1.25rem;
}

/* Code/Unique ID display */
code {
    background: #f1f5f9;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--primary-color);
    font-weight: 600;
}

/* Signature lines */
.signature-line {
    border-top: 2px solid #000;
    width: 200px;
    margin: 0 auto;
    padding-top: 10px;
    text-align: center;
}

/* Footer */
.app-footer {
    margin-top: auto;
    padding: 2rem 0;
    text-align: center;
    color: var(--gray-color);
    font-size: 0.875rem;
}