/* Depreciation Calculator Styles */

.depreciation-calculator {
    max-width: 1000px;
    margin: 2em auto;
    padding: 2em;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.calculator-intro {
    text-align: center;
    margin-bottom: 2em;
}

.calculator-intro h2 {
    color: #2c3e50;
    margin-bottom: 0.5em;
}

.calculator-intro p {
    color: #666;
    font-size: 1.1em;
}

/* Form Styles */
.calculator-form {
    margin-bottom: 2em;
}

#depreciation-calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5em;
}

.costs-row {
    gap: 2em;
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5em;
    color: #2c3e50;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8em;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1em;
}

.form-group input[type="number"] {
    -moz-appearance: textfield;
}

.form-group input[type="number"]::-webkit-outer-spin-button,
.form-group input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-actions {
    display: flex;
    gap: 1em;
    margin-top: 1em;
}

.button {
    padding: 0.8em 1.5em;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.button-primary {
    background-color: #3498db;
    color: white;
}

.button-primary:hover {
    background-color: #2980b9;
}

.button:not(.button-primary) {
    background-color: #ecf0f1;
    color: #2c3e50;
}

.button:not(.button-primary):hover {
    background-color: #bdc3c7;
}

/* Results Styles */
.calculator-results {
    margin-top: 2em;
    padding: 1.5em;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1em;
    margin: 1.5em 0;
}

.result-item {
    padding: 1em;
    background: white;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.result-item .label {
    display: block;
    color: #666;
    font-size: 0.9em;
    margin-bottom: 0.5em;
}

.result-item .value {
    display: block;
    color: #2c3e50;
    font-size: 1.2em;
    font-weight: 600;
}

/* Responsive Design */
@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .depreciation-calculator {
        padding: 1em;
        margin: 1em;
    }

    .results-summary {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }
}

/* Tooltip Styles */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]:before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5em;
    background: #2c3e50;
    color: white;
    border-radius: 4px;
    font-size: 0.9em;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

[data-tooltip]:hover:before {
    opacity: 1;
    visibility: visible;
}

/* Error States */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #e74c3c;
}

.error-message {
    color: #e74c3c;
    font-size: 0.9em;
    margin-top: 0.5em;
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}