/* ===================================
   CALCULATOR SPECIFIC STYLES
   =================================== */

/* Calculator Section */
.calculator-section {
    padding: 3rem 0;
    background: var(--bg-white);
}

/* Calculator Tabs */
.calculator-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-button {
    padding: 1rem 2rem;
    background: var(--bg-light);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

.tab-button:hover {
    background: var(--border-color);
}

.tab-button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Calculator Container */
.calculator-container {
    display: none;
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

.calculator-container.active {
    display: block;
}

.calculator-container h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.calculator-description {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Calculator Form */
.calculator-form {
    margin-bottom: 2rem;
}

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

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

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

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

.currency-symbol {
    position: absolute;
    left: 12px;
    font-weight: 600;
    color: var(--text-light);
    pointer-events: none;
}

.input-group input {
    padding-left: 35px;
}

input[type="number"],
input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-white);
    color: var(--text-dark);
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 85, 184, 0.1);
}

.help-text {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Results Container */
.results-container {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-top: 2rem;
}

.results-container h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

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

.result-card {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.result-card.highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.result-card.highlight .result-label,
.result-card.highlight .result-value {
    color: white;
}

.result-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.result-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.result-rating {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.result-rating.excellent {
    background: var(--success-color);
    color: white;
}

.result-rating.good {
    background: #4CAF50;
    color: white;
}

.result-rating.average {
    background: var(--warning-color);
    color: var(--text-dark);
}

.result-rating.poor {
    background: var(--danger-color);
    color: white;
}

/* Chart Container */
.chart-container {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    box-shadow: var(--shadow-sm);
}

.chart-container canvas {
    max-height: 400px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Loading State */
.calculator-form.loading {
    opacity: 0.6;
    pointer-events: none;
}

.calculator-form.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Input Validation */
input:invalid {
    border-color: var(--danger-color);
}

input:valid {
    border-color: var(--success-color);
}

/* Tooltips */
.tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--text-dark);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.875rem;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .calculator-tabs,
    .calculator-form,
    .action-buttons,
    .ad-section,
    .quick-links {
        display: none !important;
    }
    
    .results-container {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
    
    body {
        background: white;
    }
}