:root {
    --primary-color: #1a365d;
    --primary-dark: #0f2744;
    --secondary-color: #2563eb;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --info-color: #0891b2;
    
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 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);
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Result Card */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 48px 0;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
}

.badge-icon {
    font-size: 18px;
}

/* Main */
.main {
    padding: 40px 0;
}

.card-wrapper {
    display: grid;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

/* Card */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.card-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.card-description {
    color: var(--text-secondary);
    font-size: 14px;
}

.btn-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--bg-secondary);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.btn-close:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Form */
.form {
    padding: 32px;
}

.form-section {
    margin-bottom: 32px;
}

.form-section:last-child {
    margin-bottom: 0;
}

.form-section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-icon {
    font-size: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 14px;
}

.required {
    color: var(--danger-color);
}

.form-input,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-primary);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

.form-help {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* Info Box */
.info-box {
    display: flex;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.info-box-warning {
    background: #fef3c7;
    border: 1px solid #fbbf24;
}

.info-box-info {
    background: #dbeafe;
    border: 1px solid #60a5fa;
}

.info-box-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.info-box-content {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
}

.info-box-content strong {
    display: block;
    margin-bottom: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

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

.btn-success:hover {
    background: #047857;
    transform: translateY(-1px);
}

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

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

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 18px;
}

.btn-loader {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Result Card */
.result-card {
    animation: slideIn 0.4s ease;
}

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

.result-content {
    padding: 32px;
}

.result-hero {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    color: white;
    margin-bottom: 24px;
}

.result-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    margin-bottom: 12px;
}

.result-amount {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-currency {
    font-size: 16px;
    opacity: 0.9;
}

.result-details {
    margin-bottom: 24px;
}

.result-section {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.result-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.result-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.result-item-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.result-item-value {
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

.result-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

/* Benefits Section */
.benefits-section {
    margin-top: 48px;
    padding: 48px 32px;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
}

.benefits-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.benefit-card {
    text-align: center;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.benefit-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.benefit-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form,
    .result-content {
        padding: 24px;
    }
    
    .card-header {
        padding: 20px 24px;
    }
    
    .result-amount {
        font-size: 36px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-section {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 32px 0;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .card-title {
        font-size: 20px;
    }
    
    .result-amount {
        font-size: 32px;
    }
}