/**
 * Dynamic Tools Calculator - Frontend Styles
 * Modern Fintech UI/UX Design
 */

:root {
    --dtc-primary: #10b981;
    --dtc-primary-dark: #059669;
    --dtc-primary-light: #34d399;
    --dtc-secondary: #3b82f6;
    --dtc-secondary-dark: #2563eb;
    --dtc-bg: #f8fafc;
    --dtc-card-bg: #ffffff;
    --dtc-text: #1e293b;
    --dtc-text-light: #64748b;
    --dtc-border: #e2e8f0;
    --dtc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --dtc-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --dtc-radius: 12px;
    --dtc-radius-sm: 8px;
}

/* Tool Container */
.dtc-tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.dtc-tool-header {
    text-align: center;
    margin-bottom: 48px;
}

.dtc-tool-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dtc-text);
    margin: 0 0 16px 0;
    line-height: 1.2;
}

.dtc-tool-excerpt {
    font-size: 1.125rem;
    color: var(--dtc-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Tool Wrapper */
.dtc-tool-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

@media (max-width: 968px) {
    .dtc-tool-wrapper {
        grid-template-columns: 1fr;
    }
}

/* Form Section */
.dtc-tool-form-section {
    background: var(--dtc-card-bg);
    border-radius: var(--dtc-radius);
    padding: 32px;
    box-shadow: var(--dtc-shadow);
    border: 1px solid var(--dtc-border);
}

.dtc-fields-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

/* Field Styles */
.dtc-field-wrapper {
    position: relative;
}

.dtc-field-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dtc-text);
    margin-bottom: 8px;
}

.dtc-field-label .required {
    color: #ef4444;
    margin-left: 2px;
}

.dtc-field-input-wrapper {
    position: relative;
}

.dtc-field-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--dtc-border);
    border-radius: var(--dtc-radius-sm);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--dtc-card-bg);
    color: var(--dtc-text);
}

.dtc-field-input:focus {
    outline: none;
    border-color: var(--dtc-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

.dtc-input-with-unit {
    position: relative;
}

.dtc-field-unit {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dtc-text-light);
    font-weight: 500;
    pointer-events: none;
}

.dtc-field-input.dtc-number {
    padding-right: 60px;
}

/* Select */
.dtc-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* Radio Group */
.dtc-radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dtc-radio-label {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border: 2px solid var(--dtc-border);
    border-radius: var(--dtc-radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dtc-radio-label:hover {
    border-color: var(--dtc-primary-light);
    background: rgba(16, 185, 129, 0.05);
}

.dtc-radio-label input[type="radio"] {
    margin-right: 12px;
    width: 18px;
    height: 18px;
    accent-color: var(--dtc-primary);
}

.dtc-radio-label input[type="radio"]:checked + .dtc-radio-text {
    font-weight: 600;
    color: var(--dtc-primary-dark);
}

/* Checkbox */
.dtc-checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 12px 16px;
    border: 2px solid var(--dtc-border);
    border-radius: var(--dtc-radius-sm);
    transition: all 0.3s ease;
}

.dtc-checkbox-label:hover {
    border-color: var(--dtc-primary-light);
}

.dtc-checkbox-label input[type="checkbox"] {
    display: none;
}

.dtc-checkbox-checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--dtc-border);
    border-radius: 4px;
    margin-right: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.dtc-checkbox-label input[type="checkbox"]:checked + .dtc-checkbox-checkmark {
    background: var(--dtc-primary);
    border-color: var(--dtc-primary);
}

.dtc-checkbox-label input[type="checkbox"]:checked + .dtc-checkbox-checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.dtc-checkbox-text {
    font-weight: 500;
}

/* Textarea */
.dtc-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Form Actions */
.dtc-form-actions {
    margin-top: 32px;
}

.dtc-calculate-btn {
    width: 100%;
    padding: 16px 32px;
    border: none;
    border-radius: var(--dtc-radius-sm);
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: var(--dtc-shadow);
}

.dtc-calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--dtc-shadow-lg);
    opacity: 0.95;
}

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

.dtc-calculate-btn .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
}

/* Disclaimer */
.dtc-disclaimer {
    margin-top: 24px;
    padding: 16px;
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    border-radius: var(--dtc-radius-sm);
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.dtc-disclaimer .dashicons {
    color: #f59e0b;
    font-size: 20px;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.dtc-disclaimer p {
    margin: 0;
    font-size: 0.875rem;
    color: #92400e;
    line-height: 1.5;
}

/* Results Section */
.dtc-tool-results-section {
    position: sticky;
    top: 100px;
}

.dtc-results-card {
    background: linear-gradient(135deg, var(--dtc-primary) 0%, var(--dtc-secondary) 100%);
    border-radius: var(--dtc-radius);
    padding: 32px;
    color: white;
    box-shadow: var(--dtc-shadow-lg);
    animation: dtcSlideIn 0.5s ease;
}

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

.dtc-results-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.dtc-results-header .dashicons {
    font-size: 28px;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    padding: 4px;
}

.dtc-results-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.dtc-results-content {
    margin-bottom: 24px;
}

.dtc-result-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 24px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--dtc-radius-sm);
    backdrop-filter: blur(10px);
}

.dtc-result-prefix,
.dtc-result-suffix {
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.9;
}

.dtc-result-number {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.dtc-result-breakdown {
    display: grid;
    gap: 12px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--dtc-radius-sm);
    font-size: 0.875rem;
}

.breakdown-label {
    opacity: 0.9;
}

.breakdown-value {
    font-weight: 600;
}

.dtc-results-actions {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.dtc-reset-btn {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--dtc-radius-sm);
    color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.dtc-reset-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.dtc-reset-btn .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

/* Empty State */
.dtc-empty-state {
    background: var(--dtc-card-bg);
    border-radius: var(--dtc-radius);
    padding: 48px 32px;
    text-align: center;
    border: 2px dashed var(--dtc-border);
    box-shadow: var(--dtc-shadow);
}

.dtc-empty-state .dashicons {
    font-size: 64px;
    width: 64px;
    height: 64px;
    color: var(--dtc-text-light);
    margin-bottom: 16px;
}

.dtc-empty-state p {
    margin: 0;
    color: var(--dtc-text-light);
    font-size: 1.125rem;
}

/* Loading State */
.dtc-loading {
    position: relative;
    pointer-events: none;
}

.dtc-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: dtcSpin 0.8s linear infinite;
}

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

/* Error State */
.dtc-error {
    background: #fee2e2;
    border-left: 4px solid #ef4444;
    padding: 16px;
    border-radius: var(--dtc-radius-sm);
    margin-top: 16px;
}

.dtc-error p {
    margin: 0;
    color: #991b1b;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .dtc-tool-container {
        padding: 24px 16px;
    }
    
    .dtc-tool-title {
        font-size: 2rem;
    }
    
    .dtc-tool-form-section,
    .dtc-results-card {
        padding: 24px;
    }
    
    .dtc-result-number {
        font-size: 2.5rem;
    }
}

/* Accessibility */
.dtc-field-input:focus,
.dtc-calculate-btn:focus,
.dtc-reset-btn:focus {
    outline: 2px solid var(--dtc-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .dtc-form-actions,
    .dtc-disclaimer {
        display: none;
    }
    
    .dtc-results-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}