/**
 * Arcform Studio Styles
 *
 * Practice tracking, curriculum, progress, leaderboard, and settings.
 * Extends shared.css dark-theme component library.
 *
 * @package Arcform
 * @since 2.0.0
 */

/* ==========================================================================
   Studio Layout
   ========================================================================== */

.arcform-studio {
    max-width: 1080px;
    margin: 0 auto;
    padding: 24px;
    font-family: var(--arc-font);
    color: var(--arc-text);
}

.studio-nav {
    margin-bottom: 24px;
}

/* ==========================================================================
   Stats Row Override
   ========================================================================== */

.studio-stats {
    margin-bottom: 32px;
}

/* ==========================================================================
   Instrument Cards
   ========================================================================== */

.studio-instrument-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.studio-instrument-card__img {
    width: 100%;
    height: 160px;
    overflow: hidden;
    background-color: var(--arc-bg-elevated);
}

.studio-instrument-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.studio-instrument-card:hover .studio-instrument-card__img img {
    transform: scale(1.05);
}

.studio-instrument-card__img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    opacity: 0.3;
}

.studio-instrument-card__info {
    padding: 16px 16px 8px;
}

.studio-instrument-card__name {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--arc-text);
}

.studio-instrument-card__model {
    display: block;
    font-size: 0.8125rem;
    color: var(--arc-text-muted);
    margin-top: 2px;
}

.studio-instrument-card__actions {
    padding: 12px 16px 16px;
    display: flex;
    gap: 8px;
    margin-top: auto;
}

/* ==========================================================================
   Chart Wrapper
   ========================================================================== */

.studio-chart-wrap {
    position: relative;
    padding: 20px;
}

.studio-chart-wrap canvas {
    width: 100% !important;
    display: block;
}

/* ==========================================================================
   Recent Sessions
   ========================================================================== */

.studio-session-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--arc-border);
}

.studio-session-row:last-child {
    border-bottom: none;
}

.studio-session-row__date {
    flex-shrink: 0;
    width: 80px;
    font-size: 0.8125rem;
    color: var(--arc-text-muted);
}

.studio-session-row__instrument {
    flex: 1;
    min-width: 0;
}

.studio-session-row__instrument-name {
    display: block;
    font-weight: 600;
    color: var(--arc-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.studio-session-row__skills {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.studio-session-row__skill {
    font-size: 0.6875rem;
    padding: 2px 8px;
    background: var(--arc-bg-elevated);
    border-radius: 10px;
    color: var(--arc-text-muted);
    text-transform: capitalize;
}

.studio-session-row__duration {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--arc-text);
    min-width: 50px;
    text-align: right;
}

.studio-session-row__points {
    flex-shrink: 0;
    font-size: 0.8125rem;
    color: var(--arc-gold);
    min-width: 50px;
    text-align: right;
}

.studio-session-row__verified {
    flex-shrink: 0;
    width: 24px;
    text-align: center;
    font-size: 0.875rem;
}

.studio-session-row__verified--nfc {
    color: var(--arc-teal);
}

.studio-session-row__verified--manual {
    color: var(--arc-text-muted);
}

/* ==========================================================================
   Challenges
   ========================================================================== */

.studio-challenge-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--arc-bg-surface);
    border: 1px solid var(--arc-border);
    border-radius: var(--arc-radius-lg);
    margin-bottom: 12px;
}

.studio-challenge-card:last-child {
    margin-bottom: 0;
}

.studio-challenge-card__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: var(--arc-bg-elevated);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.studio-challenge-card__info {
    flex: 1;
    min-width: 0;
}

.studio-challenge-card__name {
    font-weight: 600;
    color: var(--arc-text);
    margin: 0 0 4px;
}

.studio-challenge-card__meta {
    font-size: 0.8125rem;
    color: var(--arc-text-muted);
}

.studio-challenge-card__progress {
    flex-shrink: 0;
    width: 120px;
}

.studio-challenge-card__progress-label {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--arc-text-sec);
    margin-bottom: 4px;
}

/* ==========================================================================
   Leaderboard
   ========================================================================== */

.studio-lb-table {
    width: 100%;
    border-collapse: collapse;
}

.studio-lb-table th {
    text-align: left;
    padding: 10px 16px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--arc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--arc-border);
}

.studio-lb-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--arc-border);
    color: var(--arc-text-sec);
    font-size: 0.9375rem;
}

.studio-lb-table tr:last-child td {
    border-bottom: none;
}

.studio-lb-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.studio-lb-row--you td {
    background: rgba(204, 168, 107, 0.06);
    color: var(--arc-text);
    font-weight: 600;
}

.studio-lb-row--top3 td:first-child {
    color: var(--arc-gold);
    font-weight: 700;
}

.studio-lb-rank {
    width: 50px;
    font-weight: 600;
}

.studio-lb-name {
    display: flex;
    align-items: center;
    gap: 10px;
}

.studio-lb-value {
    text-align: right;
    font-weight: 600;
    color: var(--arc-text);
}

.studio-lb-level {
    text-align: right;
    font-size: 0.8125rem;
    color: var(--arc-text-muted);
}

/* Your rank card (sticky) */
.studio-your-rank {
    position: sticky;
    bottom: 16px;
    z-index: 10;
    margin-top: 16px;
}

.studio-rank-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
}

.studio-rank-card__rank {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--arc-gold);
    min-width: 40px;
}

.studio-rank-card__name {
    flex: 1;
    font-weight: 600;
}

.studio-rank-card__value {
    font-weight: 600;
    color: var(--arc-text);
}

/* ==========================================================================
   Curriculum — Onboarding Wizard
   ========================================================================== */

.studio-wizard__steps {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 32px;
}

.studio-wizard__step {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    background: var(--arc-bg-elevated);
    color: var(--arc-text-muted);
    border: 2px solid var(--arc-border);
    transition: all 0.2s ease;
}

.studio-wizard__step.active {
    background: var(--arc-gold);
    color: var(--arc-bg-deep);
    border-color: var(--arc-gold);
}

.studio-wizard__step.completed {
    background: var(--arc-teal);
    color: #fff;
    border-color: var(--arc-teal);
}

.studio-wizard__panel {
    display: none;
    min-height: 200px;
}

.studio-wizard__panel.active {
    display: block;
}

.studio-wizard__panel h3 {
    margin: 0 0 20px;
    font-size: 1.125rem;
    color: var(--arc-text);
}

.studio-wizard__options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.studio-wizard__option {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.studio-wizard__option input[type="radio"] {
    accent-color: var(--arc-gold);
    width: 18px;
    height: 18px;
    margin-top: 3px;
    flex-shrink: 0;
}

.studio-wizard__option strong {
    display: block;
    color: var(--arc-text);
    margin-bottom: 2px;
}

.studio-wizard__option span {
    font-size: 0.875rem;
}

.studio-wizard__option:has(input:checked) {
    border-color: var(--arc-gold-muted);
    background: rgba(204, 168, 107, 0.05);
}

.studio-wizard__checkboxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

@media (max-width: 480px) {
    .studio-wizard__checkboxes {
        grid-template-columns: 1fr;
    }
}

.studio-wizard__review-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.studio-wizard__review-item {
    display: flex;
    gap: 12px;
}

.studio-wizard__review-label {
    font-size: 0.8125rem;
    color: var(--arc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    min-width: 100px;
    flex-shrink: 0;
}

.studio-wizard__review-value {
    color: var(--arc-text);
    font-weight: 600;
}

/* ==========================================================================
   Curriculum — Active Plan
   ========================================================================== */

/* Exercise checklist */
.studio-exercise {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: var(--arc-bg-surface);
    border: 1px solid var(--arc-border);
    border-radius: var(--arc-radius);
    margin-bottom: 8px;
    transition: border-color 0.2s ease, opacity 0.2s ease;
}

.studio-exercise:last-child {
    margin-bottom: 0;
}

.studio-exercise input[type="checkbox"] {
    accent-color: var(--arc-teal);
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.studio-exercise__info {
    flex: 1;
}

.studio-exercise__name {
    display: block;
    font-weight: 600;
    color: var(--arc-text);
}

.studio-exercise__desc {
    display: block;
    font-size: 0.8125rem;
    color: var(--arc-text-sec);
    margin-top: 2px;
}

.studio-exercise__duration {
    flex-shrink: 0;
    font-size: 0.8125rem;
    color: var(--arc-text-muted);
    padding: 4px 10px;
    background: var(--arc-bg-elevated);
    border-radius: 12px;
}

.studio-exercise--completed {
    opacity: 0.6;
    border-color: var(--arc-teal);
}

.studio-exercise--completed .studio-exercise__name {
    text-decoration: line-through;
    color: var(--arc-text-sec);
}

/* Day grid (7-day overview) */
.studio-day-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

@media (max-width: 480px) {
    .studio-day-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.studio-day-cell {
    text-align: center;
    padding: 12px 8px;
    background: var(--arc-bg-surface);
    border: 1px solid var(--arc-border);
    border-radius: var(--arc-radius);
    transition: border-color 0.2s ease;
}

.studio-day-cell__label {
    display: block;
    font-size: 0.6875rem;
    color: var(--arc-text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.studio-day-cell__number {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--arc-text-sec);
}

.studio-day-cell--today {
    border-color: var(--arc-gold-muted);
}

.studio-day-cell--today .studio-day-cell__number {
    color: var(--arc-gold);
}

.studio-day-cell--completed {
    border-color: var(--arc-teal);
    background: rgba(95, 206, 171, 0.05);
}

.studio-day-cell--completed .studio-day-cell__number {
    color: var(--arc-teal);
}

/* Full plan accordion */
.studio-plan-day {
    border: 1px solid var(--arc-border);
    border-radius: var(--arc-radius);
    margin-bottom: 8px;
    overflow: hidden;
}

.studio-plan-day:last-child {
    margin-bottom: 0;
}

.studio-plan-day__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--arc-bg-surface);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.studio-plan-day__header:hover {
    background: var(--arc-bg-elevated);
}

.studio-plan-day__title {
    font-weight: 600;
    color: var(--arc-text);
    font-size: 0.9375rem;
}

.studio-plan-day__status {
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: 10px;
}

.studio-plan-day__status--completed {
    background: rgba(95, 206, 171, 0.15);
    color: var(--arc-teal);
}

.studio-plan-day__status--upcoming {
    background: var(--arc-bg-elevated);
    color: var(--arc-text-muted);
}

.studio-plan-day__status--today {
    background: rgba(204, 168, 107, 0.15);
    color: var(--arc-gold);
}

.studio-plan-day__toggle {
    color: var(--arc-text-muted);
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.studio-plan-day.open .studio-plan-day__toggle {
    transform: rotate(180deg);
}

.studio-plan-day__body {
    display: none;
    padding: 16px;
    border-top: 1px solid var(--arc-border);
}

.studio-plan-day.open .studio-plan-day__body {
    display: block;
}

/* ==========================================================================
   Progress — Period Tabs
   ========================================================================== */

.studio-period-tabs {
    margin-bottom: 24px;
}

.studio-instrument-tabs {
    margin-bottom: 16px;
}

/* ==========================================================================
   Progress — Session History Table
   ========================================================================== */

.studio-history-table {
    width: 100%;
    border-collapse: collapse;
}

.studio-history-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--arc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--arc-border);
}

.studio-history-table td {
    padding: 10px 12px;
    font-size: 0.875rem;
    color: var(--arc-text-sec);
    border-bottom: 1px solid var(--arc-border);
}

.studio-history-table tr:last-child td {
    border-bottom: none;
}

.studio-history-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* ==========================================================================
   Practice Modal
   ========================================================================== */

.studio-practice-form .arc-form-group {
    margin-bottom: 16px;
}

.studio-practice-form__duration-display {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--arc-gold);
    margin: 8px 0;
}

.studio-practice-form__slider {
    width: 100%;
    accent-color: var(--arc-gold);
    height: 6px;
}

.studio-practice-form__skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.studio-practice-form__skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    font-size: 0.8125rem;
    background: var(--arc-bg-elevated);
    border: 1px solid var(--arc-border);
    border-radius: 20px;
    color: var(--arc-text-sec);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.studio-practice-form__skill-tag:hover {
    border-color: var(--arc-gold-muted);
}

.studio-practice-form__skill-tag.selected {
    background: rgba(204, 168, 107, 0.15);
    border-color: var(--arc-gold);
    color: var(--arc-gold-light);
}

.studio-practice-form__nfc-notice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(204, 168, 107, 0.08);
    border: 1px solid rgba(204, 168, 107, 0.2);
    border-radius: var(--arc-radius);
    font-size: 0.8125rem;
    color: var(--arc-text-sec);
    margin-top: 16px;
}

.studio-practice-form__nfc-notice span:first-child {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ==========================================================================
   Weekly Bar Chart (Canvas overlay labels)
   ========================================================================== */

.studio-chart-empty {
    text-align: center;
    padding: 40px;
    color: var(--arc-text-muted);
    font-size: 0.9375rem;
}

/* ==========================================================================
   Curriculum Today (Dashboard widget)
   ========================================================================== */

.studio-curriculum-widget {
    padding: 0;
}

.studio-curriculum-widget__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--arc-border);
}

.studio-curriculum-widget__day {
    font-weight: 700;
    color: var(--arc-gold);
}

.studio-curriculum-widget__exercises {
    padding: 12px 16px;
}

.studio-curriculum-widget__exercise {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.studio-curriculum-widget__exercise input[type="checkbox"] {
    accent-color: var(--arc-teal);
    width: 16px;
    height: 16px;
}

.studio-curriculum-widget__exercise-name {
    flex: 1;
    font-size: 0.875rem;
    color: var(--arc-text-sec);
}

.studio-curriculum-widget__exercise-time {
    font-size: 0.75rem;
    color: var(--arc-text-muted);
}

/* No curriculum prompt */
.studio-curriculum-prompt {
    text-align: center;
    padding: 24px 16px;
}

.studio-curriculum-prompt p {
    color: var(--arc-text-sec);
    margin: 0 0 12px;
}

/* ==========================================================================
   Leaderboard Preview (Dashboard widget)
   ========================================================================== */

.studio-lb-preview {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.studio-lb-preview-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--arc-border);
}

.studio-lb-preview-row:last-child {
    border-bottom: none;
}

.studio-lb-preview-row__rank {
    width: 28px;
    font-weight: 700;
    color: var(--arc-text-muted);
    text-align: center;
    font-size: 0.875rem;
}

.studio-lb-preview-row--top3 .studio-lb-preview-row__rank {
    color: var(--arc-gold);
}

.studio-lb-preview-row__name {
    flex: 1;
    font-weight: 600;
    color: var(--arc-text-sec);
}

.studio-lb-preview-row__value {
    font-weight: 600;
    color: var(--arc-text);
    font-size: 0.9375rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
    .arcform-studio {
        padding: 16px;
    }

    .studio-session-row {
        flex-wrap: wrap;
        gap: 8px;
    }

    .studio-session-row__date {
        width: auto;
        order: -1;
    }

    .studio-session-row__instrument {
        width: 100%;
        order: 0;
    }

    .studio-session-row__duration,
    .studio-session-row__points,
    .studio-session-row__verified {
        min-width: auto;
    }

    .studio-challenge-card {
        flex-wrap: wrap;
    }

    .studio-challenge-card__progress {
        width: 100%;
    }

    .studio-rank-card {
        flex-wrap: wrap;
        gap: 8px;
    }

    .studio-history-table {
        font-size: 0.8125rem;
    }

    .studio-history-table th,
    .studio-history-table td {
        padding: 8px;
    }
}

@media (max-width: 480px) {
    .studio-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .studio-lb-table th:nth-child(4),
    .studio-lb-table td:nth-child(4) {
        display: none;
    }

    .studio-history-table th:nth-child(5),
    .studio-history-table td:nth-child(5),
    .studio-history-table th:nth-child(6),
    .studio-history-table td:nth-child(6) {
        display: none;
    }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
    .studio-nav,
    .btn-log-practice,
    .studio-wizard,
    .btn-regenerate,
    .btn-mark-day-complete,
    .btn-load-more,
    .studio-your-rank,
    .studio-practice-form {
        display: none !important;
    }
}