/* Calculator Specific Styles */

/* Calculator Form */
.calculator-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[type="number"] {
    text-align: right;
}

/* Input with Icon */
.input-with-icon {
    position: relative;
}

.input-with-icon input {
    padding-left: 2.5rem;
}

.input-with-icon .input-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Form Sections */
.form-section {
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.form-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h4 i {
    color: var(--primary-color);
}

/* Calculate Button */
.calculate-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 2rem 0;
}

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

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

/* Results Section */
.results-section {
    background-color: var(--bg-primary);
    border: 2px solid var(--success-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 2rem;
    display: none;
}

.results-section.show {
    display: block;
    animation: slideIn 0.3s ease;
}

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

.results-header {
    text-align: center;
    margin-bottom: 2rem;
}

.results-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.results-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
}

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

.result-item .label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-item.highlight .label {
    color: rgba(255, 255, 255, 0.9);
}

.result-item .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-item.highlight .value {
    color: white;
}

/* Breakdown Table */
.breakdown-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.breakdown-table th,
.breakdown-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.breakdown-table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.breakdown-table td {
    color: var(--text-secondary);
}

.breakdown-table .amount {
    text-align: right;
    font-weight: 600;
    color: var(--text-primary);
}

.breakdown-table .positive {
    color: var(--success-color);
}

.breakdown-table .negative {
    color: var(--error-color);
}

/* Chart Container */
.chart-container {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.chart-container h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.chart-wrapper {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.loading i {
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Error State */
.error-message {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.error-message i {
    color: #dc2626;
}

/* Success Message */
.success-message {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.success-message i {
    color: #166534;
}

/* Responsive Design */
@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .breakdown-table {
        font-size: 0.875rem;
    }
    
    .breakdown-table th,
    .breakdown-table td {
        padding: 0.5rem;
    }
    
    .chart-wrapper {
        height: 250px;
    }
    
    .result-item .value {
        font-size: 1.25rem;
    }
}

/* Enhanced UX Styles */

/* Input States */
.form-group.focused {
    transform: scale(1.02);
    transition: transform 0.2s ease;
}

.form-group input.input-success {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group input.input-warning {
    border-color: var(--warning-color);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

/* Input Feedback */
.input-feedback {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
}

.input-tooltip {
    position: absolute;
    background-color: var(--text-primary);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    z-index: 1000;
    margin-top: 0.25rem;
    max-width: 200px;
    box-shadow: var(--shadow-md);
    animation: tooltipFadeIn 0.2s ease;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.input-tooltip::before {
    content: "";
    position: absolute;
    top: -5px;
    left: 10px;
    border: 5px solid transparent;
    border-bottom-color: var(--text-primary);
}

/* Calculation Progress */
.calculation-progress-container {
    margin: 1rem 0;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    height: 4px;
    overflow: hidden;
}

.calculation-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    width: 0%;
    transition: width 0.3s ease;
}

/* Calculation Steps */
.calculation-steps {
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.calculation-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    transition: all 0.2s ease;
}

.calculation-step:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.calculation-step:last-child {
    margin-bottom: 0;
    border-left-color: var(--success-color);
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.calculation-step:last-child .step-number {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
}

.step-content h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.step-formula {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-family: 'Courier New', monospace;
}

.step-result {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    font-family: 'Courier New', monospace;
}

.calculation-step:last-child .step-result {
    color: var(--success-color);
    font-size: 1.25rem;
}

/* Enhanced Form Animations */
.form-group {
    transition: all 0.2s ease;
}

.form-group:hover {
    transform: translateY(-1px);
}

.form-section {
    transition: all 0.3s ease;
}

.form-section:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

/* Interactive Elements */
.calculate-btn {
    position: relative;
    overflow: hidden;
}

.calculate-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.calculate-btn:hover::before {
    left: 100%;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .calculation-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        align-self: center;
        margin-bottom: 0.5rem;
    }

    .form-group.focused {
        transform: none;
    }

    .input-tooltip {
        position: relative;
        margin-top: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .input-tooltip::before {
        display: none;
    }
}

/* Print Styles */
@media print {
    .calculate-btn,
    .chart-container,
    .calculation-progress-container,
    .input-tooltip {
        display: none;
    }

    .results-section {
        border: 1px solid #000;
        box-shadow: none;
    }

    .breakdown-table {
        border: 1px solid #000;
    }

    .calculation-steps {
        border: 1px solid #000;
        box-shadow: none;
    }
}