/* ================================================================== */
/*  Tap Pattern Popup — overlay for Tap-to-Pattern UI                  */
/* ================================================================== */

.tap-popup {
    display: none;
    position: absolute;
    inset: 0;
    z-index: 100;
    background: var(--bs-surface, #1a1d27);
    border: 1px solid var(--bs-border, #2a2e3f);
    border-radius: 8px;
    flex-direction: column;
    overflow: hidden;
}

.tap-popup--visible {
    display: flex;
}

/* ---- Header ---- */

.tap-popup__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bs-surface-elevated, #212634);
    border-bottom: 1px solid var(--bs-border, #2a2e3f);
    min-height: 44px;
}

.tap-popup__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--bs-text, #e8eaed);
    white-space: nowrap;
    flex: 1;
}

/* ---- Body ---- */

.tap-popup__body {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ---- Buttons ---- */

.tap-popup__btn {
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}

.tap-popup__btn--close {
    background: transparent;
    color: var(--bs-text-muted, #8b8fa3);
    border: 1px solid var(--bs-border, #2a2e3f);
    min-width: 32px;
    font-size: 14px;
    line-height: 1;
}
.tap-popup__btn--close:hover {
    background: var(--bs-surface-hover, #22263a);
    color: var(--bs-text, #e8eaed);
}

.tap-popup__btn--primary {
    background: var(--bs-accent, #6366f1);
    color: #fff;
}
.tap-popup__btn--primary:hover:not(:disabled) {
    background: var(--bs-accent-hover, #818cf8);
}
.tap-popup__btn--primary:disabled {
    opacity: 0.5;
    cursor: default;
}

/* ---- Setup Section ---- */

.tap-popup__setup {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: flex-end;
}

.tap-popup__setup-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tap-popup__setup-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bs-text-muted, #8b8fa3);
}

.tap-popup__bpm-input {
    width: 80px;
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid var(--bs-border, #2a2e3f);
    background: var(--bs-surface-elevated, #212634);
    color: var(--bs-text, #e8eaed);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    outline: none;
}
.tap-popup__bpm-input:focus {
    border-color: var(--bs-accent, #6366f1);
}

.tap-popup__tap-tempo-btn {
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid var(--bs-accent, #6366f1);
    background: transparent;
    color: var(--bs-accent, #6366f1);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
    min-width: 90px;
}
.tap-popup__tap-tempo-btn:hover {
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
}
.tap-popup__tap-tempo-btn--active {
    background: var(--bs-accent, #6366f1);
    color: #fff;
}

.tap-popup__bpm-hint {
    font-size: 10px;
    color: var(--bs-text-muted, #8b8fa3);
    align-self: center;
    padding: 0 6px;
}

/* ---- Recording Section ---- */

.tap-popup__recording {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.tap-popup__record-btn {
    width: 100%;
    max-width: 320px;
    padding: 18px 24px;
    border-radius: 12px;
    border: 2px solid var(--bs-accent, #6366f1);
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
    color: var(--bs-accent, #6366f1);
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    letter-spacing: 0.02em;
}
.tap-popup__record-btn:hover {
    background: var(--bs-accent, #6366f1);
    color: #fff;
}

.tap-popup__record-btn--stop {
    border-color: #ff5252;
    background: rgba(255, 82, 82, 0.14);
    color: #ff5252;
}
.tap-popup__record-btn--stop:hover {
    background: #ff5252;
    color: #fff;
}

.tap-popup__record-hint {
    font-size: 11px;
    color: var(--bs-text-muted, #8b8fa3);
    text-align: center;
}

/* ---- Timeline ---- */

.tap-popup__timeline {
    width: 100%;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
}

.tap-popup__timeline-canvas {
    width: 100%;
    height: 80px;
    display: block;
}

.tap-popup__timeline-hint {
    font-size: 10px;
    color: var(--bs-text-muted, #8b8fa3);
    text-align: center;
    margin-top: 2px;
}

/* ---- Results Sections ---- */

.tap-popup__section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tap-popup__section-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bs-text-muted, #8b8fa3);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tap-popup__results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
}

/* ---- Result Card ---- */

.tap-popup__card {
    background: var(--bs-surface-elevated, #212634);
    border: 1px solid var(--bs-border, #2a2e3f);
    border-radius: 8px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.tap-popup__card:hover {
    border-color: var(--bs-accent, #6366f1);
}
.tap-popup__card--selected {
    border-color: var(--bs-accent, #6366f1);
    box-shadow: 0 0 0 1px var(--bs-accent, #6366f1);
}

.tap-popup__card-header {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tap-popup__card-badge {
    font-size: 9px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
    color: var(--bs-accent, #6366f1);
    text-transform: uppercase;
    white-space: nowrap;
}

.tap-popup__card-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--bs-text, #e8eaed);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.tap-popup__card-score {
    font-size: 11px;
    font-weight: 600;
    color: var(--bs-accent, #6366f1);
    white-space: nowrap;
}

.tap-popup__card-desc {
    font-size: 10px;
    color: var(--bs-text-muted, #8b8fa3);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tap-popup__card-desc-inline {
    font-size: 10px;
    color: var(--bs-text-muted, #8b8fa3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tap-popup__midi-thumb {
    border-radius: 4px;
    display: block;
    width: 100%;
    height: 54px;
    pointer-events: none;
}

.tap-popup__thumb-trigger {
    border: 1px solid var(--bs-border, #2a2e3f);
    border-radius: 6px;
    padding: 0;
    background: transparent;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}

.tap-popup__thumb-trigger:hover {
    border-color: var(--bs-accent, #6366f1);
    transform: translateY(-1px);
}

.tap-popup__thumb-trigger:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--bs-accent, #6366f1) 75%, transparent);
    outline-offset: 1px;
}

.tap-popup__card-actions {
    display: flex;
    gap: 6px;
    margin-top: 2px;
    justify-content: flex-end;
}

.tap-popup__card-btn {
    border: none;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.tap-popup__card-btn--play {
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
    color: var(--bs-accent, #6366f1);
}
.tap-popup__card-btn--play:hover {
    background: var(--bs-accent, #6366f1);
    color: #fff;
}

.tap-popup__card-btn--load {
    background: transparent;
    color: var(--bs-text-muted, #8b8fa3);
    border: 1px solid var(--bs-border, #2a2e3f);
}
.tap-popup__card-btn--load:hover {
    background: var(--bs-surface-hover, #22263a);
    color: var(--bs-text, #e8eaed);
}

/* ---- Loading/Status ---- */

.tap-popup__loading {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    color: var(--bs-text-muted, #8b8fa3);
    font-size: 12px;
}

.tap-popup__spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--bs-border, #2a2e3f);
    border-top-color: var(--bs-accent, #6366f1);
    border-radius: 50%;
    animation: tap-popup-spin 0.8s linear infinite;
}

@keyframes tap-popup-spin {
    to { transform: rotate(360deg); }
}

.tap-popup__error {
    padding: 8px 12px;
    border-radius: 6px;
    background: rgba(255, 82, 82, 0.1);
    border: 1px solid rgba(255, 82, 82, 0.3);
    color: #ff5252;
    font-size: 11px;
}

.tap-popup__empty {
    padding: 12px;
    text-align: center;
    color: var(--bs-text-muted, #8b8fa3);
    font-size: 12px;
}