/* ── Melody Notesheet styles ─────────────────────────────────────────── */

.mel-app { max-width: 1100px; }

.mel-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ── Label ───────────────────────────────────────────────────────────── */
.mel-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: 4px;
    display: block;
}

/* ── Input section ───────────────────────────────────────────────────── */
.mel-input-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mel-input-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.mel-text-input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 15px;
    padding: 8px 12px;
    outline: none;
    transition: border-color .15s;
}
.mel-text-input:focus { border-color: var(--accent-red-light); }
.mel-text-input::placeholder { color: var(--text-muted); font-size: 13px; }

/* ── Pitch buttons ───────────────────────────────────────────────────── */
.mel-pitch-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.mel-pitch-label {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: .07em;
}

.mel-pitch-buttons {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
}

.mel-pitch {
    background: #e8e0d0;
    color: #1a1a1a;
    border: 1px solid #999;
    border-radius: 3px;
    padding: 5px 9px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background .1s, transform .08s;
    min-width: 34px;
    text-align: center;
}
.mel-pitch:hover { background: #fff8ee; transform: translateY(-1px); }
.mel-pitch:active { transform: translateY(1px); }

.mel-pitch--black {
    background: #2a2a2a;
    color: #e8e0d0;
    border-color: #555;
}
.mel-pitch--black:hover { background: #3e3e3e; }

.mel-pitch--rest {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-color: var(--border);
}
.mel-pitch--rest:hover { background: var(--bg-hover); }

.mel-pitch-sep { width: 8px; }

/* ── Octave selector ─────────────────────────────────────────────────── */
.mel-octave-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
}

.mel-octave-buttons { display: flex; gap: 3px; }

.mel-oct {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 3px;
    width: 28px;
    height: 28px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background .1s;
}
.mel-oct:hover { background: var(--bg-hover); color: var(--text-primary); }
.mel-oct--active {
    background: var(--accent-red);
    color: #fff;
    border-color: var(--accent-red-light);
}

/* ── Duration selector ───────────────────────────────────────────────── */
.mel-duration-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
}

.mel-duration-buttons { display: flex; gap: 3px; }

.mel-dur {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background .1s;
    white-space: nowrap;
}
.mel-dur:hover { background: var(--bg-hover); color: var(--text-primary); }
.mel-dur--active {
    background: var(--accent-red);
    color: #fff;
    border-color: var(--accent-red-light);
}

/* ── Staff ───────────────────────────────────────────────────────────── */
.mel-staff-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 16px;
    position: relative;
}

.mel-staff-scroll {
    overflow-x: auto;
    overflow-y: visible;
    background: #1a1814;
    border-radius: 4px;
    border: 1px solid #333;
    min-height: 220px;
    cursor: default;
}

.mel-staff-svg {
    display: block;
    min-width: 900px;
}

.mel-staff-hint {
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    transition: opacity .2s;
}

/* SVG elements — these are just defaults; JS sets attrs directly */
.mel-note-cursor {
    opacity: .45;
    pointer-events: none;
}

/* ── Controls ────────────────────────────────────────────────────────── */
.mel-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 14px 18px;
}

.mel-btn {
    border: none;
    border-radius: 4px;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background .12s, opacity .12s;
}
.mel-btn:disabled { opacity: .4; cursor: default; }

.mel-btn--play {
    background: var(--accent-red);
    color: #fff;
}
.mel-btn--play:hover:not(:disabled) { background: var(--accent-red-light); }
.mel-btn--play.mel-btn--playing { background: #27ae60; }
.mel-btn--play.mel-btn--playing:hover:not(:disabled) { background: #2ecc71; }

.mel-btn--stop {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.mel-btn--stop:hover:not(:disabled) { background: var(--bg-hover); color: #fff; }

.mel-btn--ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 7px 14px;
    font-size: 13px;
}
.mel-btn--ghost:hover { background: var(--bg-tertiary); color: var(--text-primary); }

.mel-bpm-group,
.mel-waveform-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mel-bpm-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 110px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}
.mel-bpm-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--accent-red-light);
    cursor: pointer;
}

.mel-bpm-val {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 30px;
}

.mel-select {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    padding: 5px 8px;
    outline: none;
    cursor: pointer;
}
.mel-select:focus { border-color: var(--accent-red-light); }

.mel-status {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: auto;
    font-style: italic;
}

/* ── Playing highlight ───────────────────────────────────────────────── */
/* Filled (quarter) noteheads swap fill; hollow (half/whole) noteheads swap
   their stroke instead, since their fill stays the background color. */
.mel-note-active ellipse {
    stroke: #f5c518 !important;
}
.mel-note--q.mel-note-active ellipse {
    fill: #f5c518 !important;
}
.mel-note-active line {
    stroke: #f5c518 !important;
}
.mel-note-active rect {
    fill: #f5c518 !important;
}