/* CSS Variables */
:root {
    --primary-color: #1a365d;
    --primary-dark: #0f2027;
    --secondary-color: #2d3748;
    --accent-color: #38a169;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --danger-color: #e53e3e;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-primary: #f7fafc;
    --bg-light: #edf2f7;
    --border-color: #e2e8f0;
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.15);
    --progress-color: #38a169;
    --progress-bg: #e2e8f0;
}

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

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-medium);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.header-nav {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.transfer-container {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

/* Transfer Header */
.transfer-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.transfer-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.transfer-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Progress Section */
.progress-section {
    padding: 2rem;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

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

.progress-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.progress-status {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-bar-container {
    position: relative;
    margin-bottom: 2rem;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--progress-bg);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--progress-color), var(--accent-color));
    border-radius: 6px;
    width: 0%;
    transition: width 0.8s ease-in-out;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-percentage {
    position: absolute;
    top: -30px;
    right: 0;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Progress Steps */
.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 25px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.step.active:not(:last-child)::after {
    background: var(--progress-color);
}

.step-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 1.25rem;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.step.active .step-icon {
    background: var(--progress-color);
    color: white;
    transform: scale(1.1);
}

.step.completed .step-icon {
    background: var(--success-color);
    color: white;
}

.step-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.step.active .step-text {
    color: var(--progress-color);
}

.step.completed .step-text {
    color: var(--success-color);
}

/* Transfer Form */
.transfer-form-section {
    padding: 2rem;
}

.section-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.transfer-form {
    max-width: 800px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: white;
}

.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 rgba(26, 54, 93, 0.1);
}

.form-group input.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-group input.error:focus {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.amount-input {
    position: relative;
    display: flex;
    align-items: center;
}

.amount-input .currency {
    position: absolute;
    left: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.amount-input input {
    padding-left: 2rem;
}

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

.form-actions {
    text-align: center;
}

/* Insurance Section */
.insurance-section {
    padding: 2rem;
    background: var(--bg-light);
}

.section-subtitle {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.receipt-upload {
    max-width: 600px;
    margin: 0 auto;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--bg-primary);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: var(--bg-primary);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.upload-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.upload-text p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.file-types {
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

.upload-preview {
    margin-top: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.file-info i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.remove-file {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

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

.receipt-actions {
    margin-top: 2rem;
    text-align: center;
}

/* Transfer Summary */
.transfer-summary {
    padding: 2rem;
    background: var(--bg-light);
}

.summary-content {
    max-width: 600px;
    margin: 0 auto 2rem auto;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.summary-value {
    font-weight: 700;
    color: var(--text-primary);
}

.summary-value.success {
    color: var(--success-color);
}

/* Pending Approval Section */
.pending-approval-section {
    padding: 2rem;
    background: var(--bg-light);
}

.transfer-summary-pending {
    max-width: 600px;
    margin: 0 auto 2rem auto;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
}

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

.summary-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.transfer-id {
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: bold;
}

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

.transfer-note {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 6px;
    padding: 1rem;
    margin-top: 1rem;
}

.transfer-note p {
    margin: 0;
    color: #856404;
    font-size: 0.9rem;
}

.pending-status {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
}

.status-icon {
    font-size: 3rem;
    color: var(--warning-color);
    margin-bottom: 1rem;
}

.pending-status h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pending-status p {
    color: var(--text-secondary);
    margin: 0;
}

.summary-actions {
    text-align: center;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Notifications */
.notifications {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
}

.notification {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-medium);
    border-left: 4px solid var(--primary-color);
    min-width: 300px;
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--danger-color);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-medium);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ID Verification Section */
.id-verification-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    margin-bottom: 2rem;
}

.id-verification-form {
    display: grid;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.id-verification-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.id-verification-form label {
    font-weight: 600;
    color: var(--text-primary);
}

.id-verification-form input,
.id-verification-form select {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.id-verification-form input:focus,
.id-verification-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.id-verification-form small {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-actions {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

/* Pending Approval Section */
.pending-approval-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    margin-bottom: 2rem;
}

.pending-approval-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.approval-status {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #fef5e7, #fed7aa);
    border-radius: 16px;
    border: 2px solid #f59e0b;
}

.status-icon {
    font-size: 3rem;
    color: #f59e0b;
}

.status-info h3 {
    color: #92400e;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.status-info p {
    color: #78350f;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.transfer-details-summary {
    background: var(--background-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    text-align: left;
}

.transfer-details-summary h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

.summary-grid .summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.summary-grid .summary-item .label {
    font-weight: 600;
    color: var(--text-secondary);
}

.summary-grid .summary-item .value {
    font-weight: 600;
    color: var(--text-primary);
}

.approval-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .transfer-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .progress-steps {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .summary-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .approval-status {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .approval-actions {
        flex-direction: column;
        align-items: center;
    }
}