/* MechTools Calculator Styles */

/* Hide scrollbar on sub-nav */
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

/* Calculator card tiles */
.calc-tile {
    background: white;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.calc-tile:hover {
    border-color: #E5AE32;
    box-shadow: 0 4px 20px rgba(229, 174, 50, 0.15);
    transform: translateY(-2px);
}
.calc-tile .tile-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: #FDF6E3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #E5AE32;
}
.calc-tile .tile-title {
    font-weight: 600;
    color: #1a202c;
    font-size: 0.95rem;
}
.calc-tile .tile-desc {
    font-size: 0.8rem;
    color: #6b7280;
    line-height: 1.4;
}

/* Calculator page layout */
.calc-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.calc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.calc-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a202c;
}

/* Share button */
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid #E5AE32;
    background: white;
    color: #E5AE32;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.share-btn:hover {
    background: #E5AE32;
    color: white;
}
.share-btn.copied {
    background: #10b981;
    border-color: #10b981;
    color: white;
}

/* Input/Output grid */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
@media (max-width: 768px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
}

/* Input card */
.calc-card {
    background: white;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    padding: 1.5rem;
}
.calc-card h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #FDF6E3;
}

/* Input rows */
.input-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}
.input-row label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}
.input-row .input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: flex-end;
}
.input-row input[type="number"],
.input-row select {
    width: 120px;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.875rem;
    text-align: right;
    outline: none;
    transition: border-color 0.2s;
}
.input-row input[type="number"]:focus,
.input-row select:focus {
    border-color: #E5AE32;
    box-shadow: 0 0 0 3px rgba(229, 174, 50, 0.1);
}
.input-row .unit {
    font-size: 0.8rem;
    color: #6b7280;
    min-width: 30px;
}

/* Output display */
.output-value {
    background: #FDF6E3;
    border: 1px solid #E5AE32;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #1a202c;
    text-align: right;
    min-width: 120px;
    display: inline-block;
}

.output-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}
.output-row label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}

/* Section divider */
.calc-divider {
    border: none;
    height: 1px;
    background: #e5e7eb;
    margin: 1rem 0;
}

/* Chart container */
.chart-container {
    position: relative;
    width: 100%;
    min-height: 300px;
    margin-top: 1rem;
}

/* Toggle switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: #d1d5db;
    border-radius: 24px;
    transition: 0.3s;
}
.toggle-slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}
.toggle-switch input:checked + .toggle-slider {
    background: #E5AE32;
}
.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* Result highlight */
.result-highlight {
    background: linear-gradient(135deg, #FDF6E3 0%, #fff 100%);
    border: 2px solid #E5AE32;
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
}
.result-highlight .result-label {
    font-size: 0.8rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}
.result-highlight .result-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #E5AE32;
}

/* Motor select styled */
select.motor-select {
    width: 100%;
    max-width: 250px;
}

/* Table styles */
.calc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.calc-table thead {
    background: #FDF6E3;
}
.calc-table th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: #374151;
    border-bottom: 2px solid #E5AE32;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.calc-table th:hover {
    color: #E5AE32;
}
.calc-table td {
    padding: 8px 12px;
    border-bottom: 1px solid #e5e7eb;
    color: #4b5563;
}
.calc-table tbody tr:hover {
    background: #FDF6E3;
}

/* Piston list for pneumatics */
.piston-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}
.piston-item.disabled {
    opacity: 0.5;
}

/* Add/Remove buttons */
.btn-add {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 8px;
    background: #E5AE32;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-add:hover {
    background: #C4922A;
}
.btn-remove {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 8px;
    background: #ef4444;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-remove:hover {
    background: #dc2626;
}

/* Full-width calc card */
.calc-card-full {
    background: white;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    padding: 1.5rem;
    margin-top: 2rem;
}
.calc-card-full h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #FDF6E3;
}

/* Tooltip */
.calc-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: help;
}
.calc-tooltip .tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #1a202c;
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    transition: opacity 0.2s;
    z-index: 10;
    margin-bottom: 4px;
}
.calc-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Ratio finder results */
.ratio-result {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
}
.ratio-result:hover {
    border-color: #E5AE32;
    background: #FFFDF7;
}

/* Loading spinner */
.calc-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #e5e7eb;
    border-top-color: #E5AE32;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}