/* ================================================================== */
/*  Morph Popup — overlay for Morph & Interpolate UI                   */
/* ================================================================== */

.morph-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;
    transition: transform 0.35s cubic-bezier(.4,0,.2,1);
}

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

/* Slid-up state: popup moves off-screen except a peek bar */
.morph-popup--slid-up {
    transform: translateY(calc(-100% + 48px));
}

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

.morph-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;
}

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

.morph-popup__icon {
    margin-right: 4px;
}

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

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

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

.morph-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;
}
.morph-popup__btn--close:hover {
    background: var(--bs-surface-hover, #22263a);
    color: var(--bs-text, #e8eaed);
}

.morph-popup__btn--parent-select {
    background: transparent;
    color: var(--bs-accent, #6366f1);
    border: 1px solid var(--bs-accent, #6366f1);
    padding: 4px 8px;
    font-size: 10px;
    line-height: 1.2;
}
.morph-popup__btn--parent-select:hover {
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
}

.morph-popup__btn--remorph {
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
    color: var(--bs-accent, #6366f1);
    border: 1px solid var(--bs-accent, #6366f1);
    font-size: 11px;
    padding: 5px 10px;
    white-space: nowrap;
}
.morph-popup__btn--remorph:hover:not(:disabled) {
    background: var(--bs-accent, #6366f1);
    color: #fff;
}
.morph-popup__btn--remorph:disabled {
    opacity: 0.5;
    cursor: wait;
}

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

.morph-popup__body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.morph-popup--generating .morph-popup__body {
    opacity: 0.55;
    pointer-events: none;
}

.morph-popup__controls {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--bs-border, #2a2e3f);
    border-radius: 10px;
    background: var(--bs-surface-elevated, #212634);
}

.morph-popup__control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.morph-popup__control-group--custom {
    min-width: 110px;
}

.morph-popup__control-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--bs-text-muted, #8b8fa3);
}

.morph-popup__preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.morph-popup__preset-btn {
    border: 1px solid var(--bs-border, #2a2e3f);
    border-radius: 999px;
    background: var(--bs-surface, #1a1d27);
    color: var(--bs-text, #e8eaed);
    padding: 7px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
}

.morph-popup__preset-btn:hover:not(:disabled) {
    border-color: var(--bs-accent, #6366f1);
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
}

.morph-popup__preset-btn--active {
    border-color: var(--bs-accent, #6366f1);
    background: var(--bs-accent, #6366f1);
    color: #fff;
}

.morph-popup__preset-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.morph-popup__control-input {
    width: 88px;
    padding: 7px 8px;
    border: 1px solid var(--bs-border, #2a2e3f);
    border-radius: 8px;
    background: var(--bs-surface, #1a1d27);
    color: var(--bs-text, #e8eaed);
    font-size: 13px;
}

.morph-popup__control-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.morph-popup__control-hint {
    flex: 1;
    font-size: 12px;
    line-height: 1.4;
    color: var(--bs-text-muted, #8b8fa3);
}

.morph-popup__slider-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.morph-popup__slider {
    flex: 1;
    min-width: 80px;
    accent-color: var(--bs-accent, #6366f1);
}

.morph-popup__slider-value {
    min-width: 28px;
    text-align: right;
    font-size: 12px;
    font-weight: 600;
    color: var(--bs-text, #e8eaed);
}

.morph-popup__busy-overlay {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(12, 15, 23, 0.56);
    backdrop-filter: blur(2px);
    z-index: 2;
    pointer-events: none;
}

.morph-popup--generating .morph-popup__busy-overlay {
    display: flex;
}

.morph-popup__busy-pill {
    padding: 12px 20px;
    border-radius: 999px;
    border: 1px solid rgba(129, 140, 248, 0.5);
    background: rgba(24, 28, 41, 0.92);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.18), 0 10px 30px rgba(0, 0, 0, 0.35);
    animation: morph-popup-busy-pulse 0.6s ease-in-out infinite alternate;
}

@keyframes morph-popup-busy-pulse {
    from {
        opacity: 0.78;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1.04);
    }
}

/* ---- Section labels ---- */

.morph-popup__section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.morph-popup__section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bs-text-muted, #8b8fa3);
}

/* ---- Parent boxes row ---- */

.morph-popup__parents-row {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.morph-popup__parent-box {
    flex: 1;
    max-width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px;
    border: 2px dashed var(--bs-border, #2a2e3f);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    background: var(--bs-surface-elevated, #212634);
    min-height: 90px;
    justify-content: center;
}

.morph-popup__parent-box:hover {
    border-color: var(--bs-accent, #6366f1);
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.08));
}

.morph-popup__parent-box--filled {
    border-style: solid;
    border-color: var(--bs-accent, #6366f1);
    box-shadow: 0 0 0 1px var(--bs-accent-soft, rgba(99, 102, 241, 0.14));
}

.morph-popup__parent-box--a .morph-popup__parent-label {
    color: #f97316;
}
.morph-popup__parent-box--b .morph-popup__parent-label {
    color: #38bdf8;
}

.morph-popup__parent-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.morph-popup__parent-thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    border-radius: 6px;
}

.morph-popup__parent-box--filled .morph-popup__parent-thumb {
    cursor: pointer;
}

.morph-popup__parent-box--filled .morph-popup__parent-thumb:hover {
    background: rgba(255, 255, 255, 0.04);
}

.morph-popup__parent-placeholder {
    font-size: 11px;
    color: var(--bs-text-muted, #8b8fa3);
    opacity: 0.6;
}

.morph-popup__parent-name {
    font-size: 11px;
    color: var(--bs-text, #e8eaed);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
}

.morph-popup__parent-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

/* ---- Reroll column (between parents) ---- */

.morph-popup__remorph-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-bottom: 8px;
    min-width: 80px;
}

/* ---- Results grid ---- */

.morph-popup__results {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    justify-content: center;
}

.morph-popup__result-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 6px;
    border: 1px solid var(--bs-border, #2a2e3f);
    border-radius: 6px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
    background: var(--bs-surface-elevated, #212634);
    flex-shrink: 0;
}

.morph-popup__result-card:hover {
    border-color: var(--bs-accent, #6366f1);
    background: var(--bs-accent-soft, rgba(99, 102, 241, 0.08));
}

.morph-popup__result-card--active {
    border-color: var(--bs-accent, #6366f1);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

.morph-popup__result-card--endpoint {
    background: rgba(255, 255, 255, 0.03);
    border-style: dashed;
}

.morph-popup__midi-thumb {
    border-radius: 4px;
    display: block;
}

.morph-popup__result-label {
    font-size: 10px;
    color: var(--bs-text-muted, #8b8fa3);
    text-align: center;
}

/* ---- Status bar ---- */

.morph-popup__status {
    padding: 6px 14px;
    font-size: 11px;
    color: var(--bs-text-muted, #8b8fa3);
    border-top: 1px solid var(--bs-border, #2a2e3f);
    min-height: 24px;
    text-align: center;
}

.morph-popup--generating .morph-popup__status {
    color: var(--bs-accent, #6366f1);
}

/* ---- Morph trigger button (in pattern map status bar) ---- */

.morph-trigger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 6px;
    padding: 8px 22px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    background: var(--bs-accent, #6366f1);
    color: #fff;
    flex: 1 1 240px;
    min-width: 160px;
    max-width: 100%;
    transition: background 0.15s, box-shadow 0.15s;
    white-space: nowrap;
    letter-spacing: 0.02em;
}
.morph-trigger-btn:hover {
    background: var(--bs-accent-hover, #818cf8);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}
/* ---- Selection bar (shown when popup is slid up) ---- */

.morph-select-bar {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 110;
    background: var(--bs-surface-elevated, #212634);
    border-bottom: 2px solid var(--bs-accent, #6366f1);
    padding: 8px 14px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.morph-select-bar--visible {
    display: flex;
}

.morph-select-bar__label {
    font-size: 12px;
    color: var(--bs-text-muted, #8b8fa3);
}

.morph-select-bar__label strong {
    color: var(--bs-text, #e8eaed);
}

.morph-select-bar__btn {
    border: none;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    background: var(--bs-accent, #6366f1);
    color: #fff;
    transition: background 0.15s;
    white-space: nowrap;
}

.morph-select-bar__btn:hover {
    background: var(--bs-accent-hover, #818cf8);
}

/* ---- Pattern map body needs relative positioning for popup ---- */

.pattern-map-body {
    position: relative;
}