/* BeltLengthCalculator.css - Calculator-specific styles only */
/* DO NOT redefine global classes: .glass-card, .form-input, .btn-custom, .btn-sponsor */
/* Reference: GLOBAL_CSS_CLASSES.md */

/* ===== Belt Diagram Container ===== */
.belt-diagram {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

.belt-diagram canvas {
    width: 100%;
    height: 100%;
}

/* ===== Mode Switch ===== */
.mode-switch {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mode-switch .btn {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.mode-switch .btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.mode-switch .btn:hover:not(.active) {
    background: rgba(102, 126, 234, 0.1);
}

/* ===== Result Display ===== */
.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: #4a5568;
}

.result-label i {
    color: #667eea;
    width: 20px;
    text-align: center;
}

.result-value {
    font-size: 1.4rem;
    font-weight: 700;
    font-family: 'Roboto Mono', monospace;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-value.large {
    font-size: 1.8rem;
}

.result-unit {
    font-size: 0.85rem;
    color: #718096;
    margin-left: 0.25rem;
}

/* ===== Risk Badge ===== */
.risk-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.risk-badge.risk-low {
    background: rgba(72, 187, 120, 0.15);
    color: #22543d;
}

.risk-badge.risk-medium {
    background: rgba(236, 201, 75, 0.2);
    color: #744210;
}

.risk-badge.risk-high {
    background: rgba(237, 137, 54, 0.2);
    color: #7b341e;
}

.risk-badge.risk-critical {
    background: rgba(229, 62, 62, 0.15);
    color: #742a2a;
}

/* ===== Spec Table ===== */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 1rem;
}

.spec-table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.6rem 0.5rem;
    text-align: center;
    font-weight: 600;
}

.spec-table th:first-child {
    border-radius: 8px 0 0 0;
}

.spec-table th:last-child {
    border-radius: 0 8px 0 0;
}

.spec-table td {
    padding: 0.5rem;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}

.spec-table tr:hover td {
    background: rgba(102, 126, 234, 0.05);
}

.spec-table tr.recommended td {
    background: rgba(72, 187, 120, 0.15);
    font-weight: 600;
}

/* ===== Reverse Calculation Section ===== */
.reverse-section {
    display: none;
}

.reverse-section.active {
    display: block;
}

.forward-section {
    display: block;
}

.forward-section.hidden {
    display: none;
}

/* ===== Input Group Custom ===== */
.input-group-custom {
    margin-bottom: 1rem;
}

.input-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #4a5568;
}

.input-label i {
    color: #667eea;
    width: 18px;
    text-align: center;
}

/* ===== Tooltip Icon ===== */
.tooltip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: #e2e8f0;
    color: #718096;
    border-radius: 50%;
    font-size: 0.7rem;
    cursor: help;
    margin-left: 0.25rem;
}

/* ===== Angle Display ===== */
.angle-display {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.angle-item {
    flex: 1;
    padding: 0.75rem;
    background: #f7fafc;
    border-radius: 8px;
    text-align: center;
}

.angle-item .label {
    font-size: 0.8rem;
    color: #718096;
    margin-bottom: 0.25rem;
}

.angle-item .value {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Roboto Mono', monospace;
    color: #667eea;
}

/* ===== Recommended Belt ===== */
.recommended-belt {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 2px solid #667eea;
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    margin-top: 1rem;
}

.recommended-belt .title {
    font-size: 0.85rem;
    color: #718096;
    margin-bottom: 0.25rem;
}

.recommended-belt .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

/* ===== Speed Ratio Display ===== */
.speed-ratio {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #f7fafc;
    border-radius: 8px;
    margin-top: 0.5rem;
}

.speed-ratio .ratio-value {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Roboto Mono', monospace;
    color: #667eea;
}

/* ===== Error Message ===== */
.error-message {
    color: #e53e3e;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .belt-diagram {
        height: 200px;
    }

    .result-value {
        font-size: 1.2rem;
    }

    .result-value.large {
        font-size: 1.4rem;
    }

    .angle-display {
        flex-direction: column;
        gap: 0.5rem;
    }

    .spec-table {
        font-size: 0.75rem;
    }

    .spec-table th,
    .spec-table td {
        padding: 0.4rem 0.3rem;
    }
}