/* Bot-Smetchik Web Calculator Styles */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 16px;
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 24px;
    font-size: 1.6em;
}

/* Form styling */
fieldset {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 16px;
    background: #fff;
}

legend {
    font-weight: 600;
    color: #4472C4;
    padding: 0 8px;
    font-size: 1.05em;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 0.95em;
}

.form-group input[type="number"],
.form-group input[type="text"],
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: #4472C4;
    outline: none;
    box-shadow: 0 0 0 2px rgba(68, 114, 196, 0.15);
}

/* Radio buttons */
.radio-group label.radio-label {
    display: inline-block;
    margin-right: 16px;
    font-weight: normal;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    margin-right: 4px;
}

/* Note text */
.note {
    font-size: 0.85em;
    color: #888;
    font-style: italic;
    margin-top: 6px;
}

/* Submit button */
.form-actions {
    text-align: center;
    margin-top: 20px;
}

.btn-submit {
    background-color: #4472C4;
    color: #fff;
    border: none;
    padding: 12px 48px;
    border-radius: 6px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-submit:hover {
    background-color: #365fa0;
}

/* Error alert */
.alert {
    padding: 14px 18px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-error {
    background-color: #fde8e8;
    border: 1px solid #f5aaaa;
    color: #b91c1c;
}

.alert-error ul {
    margin-top: 8px;
    padding-left: 20px;
}

.alert-error li {
    margin-bottom: 2px;
}

/* Results table */
.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.results-table th {
    background-color: #4472C4;
    color: #fff;
    padding: 10px 14px;
    text-align: center;
    font-weight: 600;
}

.results-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #eee;
}

.results-table td.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.results-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

.results-table .total-row {
    background-color: #e8eef6 !important;
}

.results-table .total-row td {
    border-top: 2px solid #4472C4;
}

/* Download buttons */
.download-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.btn-download {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    font-size: 0.95em;
    transition: opacity 0.2s;
}

.btn-download:hover {
    opacity: 0.85;
}

.btn-econom {
    background-color: #5b9bd5;
}

.btn-comfort {
    background-color: #4472C4;
}

.btn-premium {
    background-color: #2f5496;
}

/* Breakdown toggle */
.breakdown-toggle {
    text-align: center;
    margin-bottom: 24px;
}

.btn-breakdown {
    background-color: #6c757d;
    color: #fff;
    border: none;
    padding: 10px 32px;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-breakdown:hover {
    background-color: #545b62;
}

/* Breakdown details */
#breakdown {
    margin-bottom: 32px;
}

#breakdown h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3em;
}

.breakdown-inputs {
    margin-bottom: 24px;
}

.breakdown-inputs h3 {
    color: #4472C4;
    margin-bottom: 8px;
    font-size: 1.05em;
}

.segment-breakdown {
    margin-bottom: 28px;
}

.segment-breakdown h3 {
    color: #2c3e50;
    border-bottom: 2px solid #4472C4;
    padding-bottom: 6px;
    margin-bottom: 12px;
    font-size: 1.15em;
}

.segment-breakdown h3 .board-info {
    font-weight: normal;
    font-size: 0.85em;
    color: #888;
}

.section-block {
    margin-bottom: 16px;
}

.section-block h4 {
    color: #555;
    margin-bottom: 6px;
    font-size: 0.95em;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    font-size: 0.9em;
    margin-bottom: 8px;
}

.detail-table th {
    background-color: #e8eef6;
    color: #333;
    padding: 6px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85em;
    border-bottom: 1px solid #ccc;
}

.detail-table td {
    padding: 5px 10px;
    border-bottom: 1px solid #eee;
}

.detail-table td.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.items-table tbody tr:nth-child(even) {
    background-color: #fafafa;
}

.subtotal-row td {
    background-color: #f0f4f8;
    font-weight: 500;
    border-top: 1px solid #ccc;
}

.segment-total {
    max-width: 400px;
    margin-left: auto;
    margin-top: 8px;
    margin-bottom: 16px;
}

.segment-total .total-row td {
    background-color: #e8eef6;
    border-top: 2px solid #4472C4;
}

/* Formulas */
.btn-formulas {
    background-color: #2f5496;
    color: #fff;
    border: none;
    padding: 10px 32px;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 8px;
}

.btn-formulas:hover {
    background-color: #1e3a6e;
}

#formulas {
    margin-bottom: 32px;
}

#formulas h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
}

.formulas-segment {
    margin-bottom: 24px;
}

.formulas-segment h3 {
    color: #2c3e50;
    border-bottom: 2px solid #2f5496;
    padding-bottom: 6px;
    margin-bottom: 12px;
}

.formula-section {
    margin-bottom: 14px;
}

.formula-section h4 {
    color: #4472C4;
    margin-bottom: 6px;
    font-size: 0.95em;
}

.formula-lines {
    background: #f8f9fa;
    border-left: 3px solid #4472C4;
    padding: 8px 14px;
    border-radius: 0 4px 4px 0;
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-size: 0.85em;
    line-height: 1.8;
}

.formula-line {
    padding: 2px 0;
}

/* Back link */
.back-link {
    text-align: center;
    margin-top: 16px;
}

.back-link a {
    color: #4472C4;
    text-decoration: none;
    font-weight: 500;
}

.back-link a:hover {
    text-decoration: underline;
}