/* ===== Help Section ===== */
.subject-selection-title {
    margin-left: var(--space-sm);
}

.help-section {
    margin-bottom: var(--space-lg);
    margin-left: var(--space-sm);
}

.help-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    display: block;
    margin-bottom: var(--space-sm);
}

.help-list {
    margin: 0;
    padding-left: var(--space-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    list-style: disc;
}

.help-list li {
    margin-bottom: var(--space-xs);
}

/* ===== Subjects Card ===== */
.subjects-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    width: 100%;
    box-sizing: border-box;
}

.subjects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.subjects-header h3 {
    margin: 0;
}

.info-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    background: var(--color-text-muted);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    cursor: help;
    position: relative;
    vertical-align: middle;
    margin-left: 4px;
    margin-bottom: 1px;
}

.info-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    width: 260px;
    white-space: normal;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    transition-delay: 0s;
    z-index: 100;
}

.info-tooltip:hover::after {
    opacity: 1;
    transition-delay: 0.5s;
}

.mode-select {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.mode-radio {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text);
}

.mode-radio input[type="radio"] {
    accent-color: #1F2937;
    cursor: pointer;
}

/* ===== Subject Row ===== */
.subject-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    margin-bottom: 4px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    position: relative;
    padding: var(--space-xs) 4px var(--space-xs) var(--space-sm);
}

.subject-row:nth-child(odd) {
    background: #F3F4F6;
}

.subject-row:nth-child(even) {
    background: #EDE5F3;
}

.subject-row-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
}

.input-container {
    flex-basis: 100%;
    min-width: 0;
    box-sizing: border-box;
    padding-right: 0;
}

.subject-row:last-child {
    margin-bottom: 0;
}

.subject-row.used {
    box-shadow: inset 3px 0 0 #47056B;
}

.subject-row.used .input-container input,
.subject-row.used .input-container select,
.subject-row.used .choices__inner {
    /* background: #47056b21; */
}

.subject-row.used + .subject-row.used {
    /* no special rules needed */
}

.subject-row.used:has(+ .subject-row.used) {
    /* no special rules needed */
}

/* Middle rows in a group of 3+ */
.subject-row.used + .subject-row.used:has(+ .subject-row.used) {
    /* no special rules needed */
}

.subject-row select,
.subject-row input {
    font-family: inherit;
    font-size: 0.875rem;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    height: 38px;
    box-sizing: border-box;
}

/* Choices.js in subject rows - match input height */
.subject-row .choices .choices__inner {
    height: 38px;
    min-height: 38px;
    padding: 0 var(--space-md);
    font-size: 0.875rem;
}

.subject-row .choices .choices__list--single {
    padding: 0;
    line-height: 38px;
}

.subject-row select:focus,
.subject-row input:focus {
    outline: none;
    border-color: var(--qtac-red);
}

.subject-select-wrapper {
    flex: 1;
    min-width: 0;
}

.subject-row-header .subject-select-wrapper {
    flex: 1;
    min-width: 0;
}

.subject-row .choices,
.mode-select .choices {
    position: relative;
    z-index: 2;
}

.subject-row .choices.is-open,
.mode-select .choices.is-open {
    z-index: 200;
}

.subject-select {
    width: 100%;
}

.btn-remove {
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    color: var(--qtac-red);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-remove:hover {
    color: var(--qtac-red-dark);
}

.btn-remove.disabled {
    color: rgba(196, 30, 58, 0.3);
    cursor: not-allowed;
    position: relative;
}

.btn-remove.disabled[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 3px);
    right: 0;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    transition-delay: 0s;
    z-index: 100;
}

.btn-remove.disabled[data-tooltip]:hover::after {
    opacity: 1;
    transition-delay: 0.5s;
}

/* ===== Add Subject Divider ===== */

.btn-add {
    display: flex;
    justify-content: center;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--qtac-grey);
    font-family: var(--font-family);
    width: 100%;
    background: none;
    padding: var(--space-md);
    margin-top: var(--space-sm);
    border-radius: var(--radius-sm);
}

.btn-add:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text-muted);
    cursor: pointer;
}

.btn-add:hover:not(:disabled) {
    opacity: 1;
}

.btn-add:disabled {
    display: none;
}

/* ===== Step Actions ===== */
.step-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-lg);
    margin-top: 8px;
}

/* ===== Buttons ===== */
.btn-primary {
    padding: var(--space-md) var(--space-2xl);
    background: var(--qtac-red);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-primary:hover:not(:disabled) {
    background: var(--qtac-red-dark);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-full-width {
    width: 100%;
}

/* Grade button bar + slider input */
.vet-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #47056B;
    background: #f3e8ff;
}

.grade-btn-bar {
    display: flex;
    height: 36px;
    border-radius: 999px;
    overflow: hidden;
    border: 2px solid var(--color-border);
    flex: 1;
    margin: var(--space-sm) 0;
}
.grade-btn-bar button {
    flex: 1;
    border: none;
    background: #F9FAFB;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    position: relative;
    padding: 0;
}
.grade-btn-bar button:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--color-border);
}
.grade-btn-bar button.selected::after,
.grade-btn-bar button.selected + button::before {
    display: none;
}
.grade-btn-bar button.selected + button::after {
    left: 0;
}
.grade-btn-bar button:hover {
    background: #f3e8ff;
    color: #47056B;
}
.grade-btn-bar button.selected {
    background: #47056B;
    color: #fff;
}

/* Fixed value chips */
.slider-chip {
    border-radius: 999px;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 10px;
    min-width: 42px;
    text-align: center;
}
.slider-chip-low {
    background: #47056B;
}
.slider-chip-high {
    background: #C41E3A;
}

/* Slider containers */
.subject-slider {
    display: flex;
    align-items: flex-end;
    gap: var(--space-xs);
    width: 100%;
    min-width: 0;
    margin: var(--space-sm) 0 var(--space-sm);
    position: relative;
    z-index: 1;
}
.subject-slider .grade-track {
    flex: 1;
    min-width: 0;
    margin: 0;
}
.subject-slider-range {
    flex-direction: row;
    align-items: flex-end;
}
.subject-slider-range .grade-track {
    flex: 1;
    min-width: 92px;
    width: auto;
    padding-left: 8px;
    padding-right: 8px;
}
.subject-slider-single .grade-track {
    padding-left: 3px;
    padding-right: 8px;
}
.slider-control-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}
.slider-control-group .slider-chip {
    margin-bottom: 4px;
}
.slider-btn-pair {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}
.slider-control-group::before {
    display: none;
    font-size: 0.72rem;
    font-weight: 700;
}
.slider-control-low::before {
    content: 'Low';
    color: #059669;
}
.slider-control-high::before {
    content: 'High';
    color: #47056B;
}

/* +/- buttons — match sandbox .slider-btn */
.input-container .slider-btn {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    border-radius: 50%;
    border: 2px solid #47056B;
    background: #fff;
    color: #47056B;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.15s;
    padding: 0;
    line-height: 1;
}
.input-container .slider-btn.btn-low {
    border-color: #47056B;
    color: #47056B;
}
.input-container .slider-btn:hover {
    background: #47056B;
    color: #fff;
}
.input-container .slider-btn.btn-low:hover {
    background: #47056B;
    color: #fff;
}
.input-container .slider-btn.btn-high {
    border-color: #C41E3A;
    color: #C41E3A;
}
.input-container .slider-btn.btn-high:hover {
    background: #C41E3A;
    color: #fff;
}

/* Grade track (markers + labels) — match sandbox .grade-track */
.input-container .grade-track {
    position: relative;
}
.slider-track-area {
    position: relative;
    background: #E5E7EB;
    border-radius: 999px;
}
.input-container .grade-markers {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 12px;
    pointer-events: none;
    z-index: 0;
}
.input-container .grade-marker {
    position: absolute;
    top: -10px;
    width: 1px;
    height: 30px;
    background: rgba(0,0,0,0.2);
}
.input-container .grade-labels {
    display: flex;
    margin-bottom: 2px;
}
.input-container .grade-labels-clickable span {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: #6B7280;
    cursor: pointer;
    transition: color 0.15s, transform 0.15s;
}
.input-container .grade-labels-clickable span:hover {
    color: #47056B;
    transform: scale(1.3);
}