/* ═══════════════════════════════════════════════════
   VocalGenix — MIXER CSS v4 (Horizontal Track View)
   Time Bar + Select + Prompt + Master
   ═══════════════════════════════════════════════════ */

/* ─── Transport Bar ────────────────────────── */
.mx-transport {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.6rem 1rem;
    background: linear-gradient(135deg, #0c0c18 0%, #16162a 100%);
    border: 1px solid #2a2a4a; border-radius: 10px;
    margin-bottom: 0.5rem;
}
.mx-transport-btn {
    padding: 0.45rem 0.9rem; border: none; border-radius: 6px;
    font-weight: 700; font-size: 0.78rem; cursor: pointer;
    display: flex; align-items: center; gap: 0.35rem; transition: all 0.2s;
}
.mx-play-all-btn { background: linear-gradient(135deg, #6c63ff, #f820b0); color: #fff; }
.mx-play-all-btn:hover { transform: scale(1.04); box-shadow: 0 0 14px #6c63ff50; }
.mx-play-all-btn.playing { background: linear-gradient(135deg, #ff4141, #ff6b35); }
.mx-stop-btn { background: #2a2a3e; color: #888; }
.mx-stop-btn:hover { background: #ff4141; color: #fff; }
.mx-clear-btn { background: #2a2a3e; color: #666; }
.mx-clear-btn:hover { background: #ff6b35; color: #fff; box-shadow: 0 0 10px #ff6b3530; }
.mx-time-display {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 1.3rem; font-weight: 700; color: #00ff88;
    min-width: 55px; text-align: center; text-shadow: 0 0 10px #00ff8840;
}
.mx-spacer { flex: 1; }
.mx-model-badge {
    padding: 0.25rem 0.7rem; border-radius: 20px;
    background: #6c63ff15; color: #6c63ff;
    font-weight: 700; font-size: 0.65rem; letter-spacing: 1px; border: 1px solid #6c63ff30;
}
.mx-master-section {
    display: flex; align-items: center; gap: 0.5rem; margin-left: 0.5rem;
    padding-left: 0.8rem; border-left: 1px solid #333;
}
.mx-master-label { font-size: 0.6rem; color: #888; font-weight: 700; text-transform: uppercase; }
.mx-master-fader {
    -webkit-appearance: none; appearance: none;
    width: 80px; height: 5px;
    background: linear-gradient(90deg, #00ff88, #ffd700 70%, #ff4141);
    border-radius: 3px; outline: none; cursor: pointer;
}
.mx-master-fader::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 12px; height: 16px;
    background: linear-gradient(180deg, #fff, #aaa); border-radius: 2px;
    cursor: pointer; box-shadow: 0 1px 4px #00000060;
}
.mx-meter-mini { width: 30px; height: 16px; background: #06060c; border: 1px solid #222; border-radius: 2px; }

/* ─── TIME BAR ─────────────────────────────── */
.mx-timebar {
    display: flex; align-items: stretch; height: 36px;
    background: linear-gradient(90deg, #0a0a16 0%, #0e0e1e 100%);
    border: 1px solid #1e1e36; border-radius: 6px; margin-bottom: 3px;
    overflow: hidden;
}
.mx-tb-label {
    display: flex; align-items: center; gap: 0.3rem;
    width: 200px; min-width: 200px; padding: 0 0.6rem;
    border-right: 1px solid #1a1a30;
    font-size: 0.6rem; font-weight: 700; color: #888; letter-spacing: 1px;
}
.mx-tb-area {
    flex: 1; position: relative; overflow: hidden;
}
.mx-tb-empty {
    display: flex; align-items: center; justify-content: center;
    height: 100%; font-size: 0.6rem; color: #444; font-style: italic;
}
.mx-tb-seg {
    position: absolute; top: 0; height: 100%;
    display: flex; align-items: center; gap: 0.4rem;
    padding: 0 0.4rem; border-right: 1px solid #1a1a30;
    font-size: 0.55rem; overflow: hidden; white-space: nowrap;
    background: #0d0d1a;
    transition: background 0.3s;
}
.mx-tb-seg:hover { background: #16162a; }
.mx-tb-changed {
    background: linear-gradient(90deg, #ff6b3515 0%, #0d0d1a 100%);
    border-left: 2px solid #ff6b35;
}
.mx-tb-bpm { color: #00ff88; font-weight: 700; font-family: 'JetBrains Mono', monospace; }
.mx-tb-key { color: #ffd700; font-weight: 600; }
.mx-tb-ts { color: #6c63ff; font-weight: 600; }
.mx-tb-playhead {
    background: #4b0082 !important;
    box-shadow: 0 0 8px #4b0082, 0 0 20px #4b008280, 0 0 3px #fff !important;
}

/* ─── SELECT HEADER ────────────────────────── */
.mx-select-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.35rem 0.6rem;
    background: #0d0d18; border: 1px solid #1a1a30; border-radius: 5px;
    margin-bottom: 2px;
}
.mx-select-all-label {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.7rem; font-weight: 600; color: #aaa; cursor: pointer;
}
.mx-select-all-label input[type="checkbox"] {
    accent-color: #6c63ff; width: 14px; height: 14px;
}
.mx-export-btn {
    background: linear-gradient(135deg, #00cfff, #6c63ff); color: #fff;
    font-size: 0.7rem;
}
.mx-export-btn:hover { transform: scale(1.03); box-shadow: 0 0 10px #00cfff40; }

/* ─── Track List ───────────────────────────── */
.mx-tracklist { display: flex; flex-direction: column; gap: 2px; }

/* ─── Single Track (Horizontal) ─────────────── */
.mx-track {
    display: flex; align-items: center; height: 64px;
    background: linear-gradient(90deg, #12121e, #0e0e1a);
    border: 1px solid #1e1e36; border-radius: 6px;
    overflow: hidden; transition: all 0.25s; position: relative;
}
.mx-track:hover { border-color: #333; background: linear-gradient(90deg, #16162a, #10101c); }
.mx-track.mx-playing { border-color: #00ff8840; box-shadow: 0 0 8px #00ff8810; }
.mx-track.mx-dimmed { opacity: 0.3; }
.mx-track.mx-muted-visual { opacity: 0.5; }
.mx-track.mx-muted-visual .mx-wave-area { filter: grayscale(0.8) brightness(0.5); }
.mx-track-click { border-color: #ff6b3520; }

.mx-track-info {
    display: flex; align-items: center; gap: 0.4rem;
    width: 200px; min-width: 200px; padding: 0 0.5rem;
    border-right: 1px solid #1a1a30; height: 100%;
}
.mx-track-sel { accent-color: #6c63ff; width: 13px; height: 13px; flex-shrink: 0; cursor: pointer; }
.mx-track-icon {
    width: 26px; height: 26px; border-radius: 5px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; flex-shrink: 0;
}
.mx-track-name {
    font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; color: #ddd; white-space: nowrap;
}
.mx-track-status { font-size: 0.6rem; color: #555; margin-left: auto; flex-shrink: 0; }

/* ─── Controls ─────────────────────────────── */
.mx-track-controls {
    display: flex; align-items: center; gap: 0.2rem;
    padding: 0 0.2rem; border-right: 1px solid #1a1a30;
    height: 100%; min-width: 140px; justify-content: flex-end;
}
.mx-btn {
    width: 22px; height: 20px; border: 1px solid #333; border-radius: 3px;
    background: #1a1a28; color: #555; font-size: 0.58rem; font-weight: 800;
    cursor: pointer; transition: all 0.12s;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.mx-btn:hover { border-color: #666; color: #ccc; }
.mx-btn.mx-solo.active { background: #ffd700; color: #000; border-color: #ffd700; box-shadow: 0 0 6px #ffd70050; }
.mx-btn.mx-mute.active { background: #ff4141; color: #fff; border-color: #ff4141; box-shadow: 0 0 6px #ff414150; }
.mx-btn.mx-play { background: #0f1a0f; color: #4a4; border-color: #1a3a1a; }
.mx-btn.mx-play:hover { background: #1a3a1a; color: #0f0; }
.mx-btn.mx-play.playing { background: #ff4141; color: #fff; border-color: #ff4141; }
.mx-btn.mx-enhance { color: #00ff88; border-color: #003a20; }
.mx-btn.mx-enhance:hover { background: #003a20; }
.mx-btn.mx-enhance.active { background: #00ff88; color: #333; border-color: #00ff88; box-shadow: 0 0 10px rgba(0,255,136,0.5); }
.mx-btn.mx-dl { color: #6c63ff; border-color: #2a2a45; }
.mx-btn.mx-dl:hover { background: #6c63ff; color: #fff; }

.mx-vol-fader {
    -webkit-appearance: none; appearance: none;
    width: 45px; height: 4px;
    background: linear-gradient(90deg, #333, #6c63ff); border-radius: 2px;
    outline: none; cursor: pointer; flex-shrink: 0;
}
.mx-vol-fader::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 7px; height: 13px;
    background: linear-gradient(180deg, #eee, #888); border-radius: 2px; cursor: pointer;
}
.mx-pan-slider {
    -webkit-appearance: none; appearance: none;
    width: 30px; height: 3px;
    background: linear-gradient(90deg, #00cfff, #444 45%, #444 55%, #f820b0);
    border-radius: 2px; outline: none; cursor: pointer; flex-shrink: 0;
}
.mx-pan-slider::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 5px; height: 9px; background: #ccc; border-radius: 1px; cursor: pointer;
}
.mx-pan-label { font-size: 0.45rem; color: #444; font-weight: 600; }

/* ─── Waveform ─────────────────────────────── */
.mx-wave-area {
    flex: 1; position: relative; height: 100%;
    background: #08080f; overflow: hidden;
}
.mx-waveform { width: 100%; height: 100%; display: block; }
.mx-marker {
    position: absolute; top: 0; left: 0; width: 2px; height: 100%;
    background: #4b0082;
    box-shadow: 0 0 8px #4b0082, 0 0 20px #4b008280, 0 0 2px #fff;
    z-index: 5; pointer-events: none; transition: left 0.06s linear;
}
.mx-playhead {
    width: 2px; background: #6366f1;
    box-shadow: 0 0 6px #6366f1, 0 0 16px #6366f180, 0 0 2px #a5b4fc;
}
.mx-playhead-time {
    position: absolute; top: -1px; left: 0;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4338ca, #6366f1);
    color: #fff; font-size: 0.58rem; font-weight: 700;
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    padding: 1px 5px; border-radius: 3px;
    z-index: 6; pointer-events: none;
    white-space: nowrap; transition: left 0.06s linear;
    box-shadow: 0 2px 8px rgba(99,102,241,0.4);
    letter-spacing: 0.03em;
}
.mx-scrubber {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0; cursor: ew-resize; z-index: 10; margin: 0;
}

/* ─── AI PROMPT BOX ─────────────────────────── */
.mx-prompt-box {
    margin-top: 0.5rem; padding: 0.6rem 0.8rem;
    background: linear-gradient(135deg, #10101e 0%, #16162a 100%);
    border: 1px solid #2a2a4a; border-radius: 8px;
}
.mx-prompt-header {
    display: flex; align-items: center; gap: 0.4rem;
    margin-bottom: 0.4rem; font-size: 0.7rem; color: #aaa; font-weight: 600;
}
.mx-prompt-header i { color: #f820b0; }
.mx-prompt-hint {
    font-size: 0.55rem; color: #555; font-style: italic; font-weight: 400; margin-left: auto;
}
.mx-prompt-input-row { display: flex; gap: 0.4rem; }
.mx-prompt-input {
    flex: 1; padding: 0.5rem 0.8rem;
    background: #0a0a14; border: 1px solid #333; border-radius: 6px;
    color: #ddd; font-size: 0.75rem; font-family: inherit; outline: none;
    transition: border-color 0.2s;
}
.mx-prompt-input:focus { border-color: #6c63ff; box-shadow: 0 0 8px #6c63ff20; }
.mx-prompt-input::placeholder { color: #444; }
.mx-prompt-send {
    background: linear-gradient(135deg, #f820b0, #6c63ff); color: #fff;
    padding: 0.5rem 1rem; font-size: 0.75rem;
}
.mx-prompt-send:hover { transform: scale(1.03); box-shadow: 0 0 12px #f820b040; }

/* ─── LOADING SPINNER ──────────────────────── */
.mx-loading-overlay {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 3rem 1rem; min-height: 200px;
}
.mx-loading-ring {
    position: relative; width: 120px; height: 120px; margin-bottom: 1rem;
}
.mx-ring-svg {
    width: 100%; height: 100%; animation: mx-spin 2.5s linear infinite;
}
.mx-ring-bg {
    fill: none; stroke: #1a1a30; stroke-width: 6;
}
.mx-ring-progress {
    fill: none; stroke: url(#mx-ring-gradient); stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 327; stroke-dashoffset: 80;
    animation: mx-dash 2s ease-in-out infinite alternate;
}
.mx-ring-center {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    text-align: center;
}
.mx-ring-icon {
    font-size: 1.5rem; color: #6c63ff;
    animation: mx-pulse 1.5s ease-in-out infinite;
    display: block; margin-bottom: 0.3rem;
}
.mx-ring-time {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 1.1rem; font-weight: 700; color: #00ff88;
    text-shadow: 0 0 10px #00ff8840;
}
.mx-loading-status {
    font-size: 0.85rem; font-weight: 600; color: #ddd;
    margin-bottom: 0.3rem; text-align: center;
    animation: mx-pulse 2s ease-in-out infinite;
}
.mx-loading-sub {
    font-size: 0.65rem; color: #555; font-style: italic;
}
@keyframes mx-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
@keyframes mx-dash {
    0% { stroke-dashoffset: 200; stroke: #6c63ff; }
    50% { stroke: #f820b0; }
    100% { stroke-dashoffset: 40; stroke: #00ff88; }
}
@keyframes mx-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ─── ACTION BAR ───────────────────────────── */
.mx-action-bar {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
    gap: 0.8rem; padding: 0.7rem 1rem; margin-top: 0.4rem;
    background: linear-gradient(135deg, #0c0c18 0%, #16162a 100%);
    border: 1px solid #2a2a4a; border-radius: 10px;
}
.mx-action-tip {
    display: flex; align-items: center; gap: 0.7rem;
    font-size: 0.8rem; color: #bbb;
}
.mx-action-tip strong { color: #eee; }
.mx-action-btns { display: flex; gap: 0.6rem; align-items: center; }
.mx-action-send {
    font-size: 0.78rem !important; padding: 0.4rem 0.9rem !important;
    border-color: #333 !important; color: #ccc !important;
}
.mx-action-send:hover { border-color: #f820b0 !important; color: #f820b0 !important; }
.mx-action-visual {
    font-size: 0.78rem !important; padding: 0.4rem 0.9rem !important;
    background: linear-gradient(135deg, #6c63ff, #8b5cf6) !important;
}
.mx-action-visual:hover { box-shadow: 0 0 14px #6c63ff60 !important; transform: scale(1.03); }
.mx-action-clear {
    font-size: 0.78rem !important; padding: 0.4rem 0.9rem !important;
    border-color: #333 !important; color: #888 !important;
}
.mx-action-clear:hover { border-color: #ff4141 !important; color: #ff4141 !important; }
.mx-clear-standalone {
    border-color: #333 !important; color: #888 !important;
    background: transparent !important; font-size: 0.82rem !important;
}
.mx-clear-standalone:hover { border-color: #ff4141 !important; color: #ff4141 !important; }

/* ─── EXPORT PROGRESS OVERLAY ──────────────── */
.mx-export-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.65); backdrop-filter: blur(4px);
    z-index: 10000; display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.25s;
}
.mx-export-overlay.active { opacity: 1; }
.mx-exp-prog-card {
    background: linear-gradient(135deg, #12121e, #1a1a30);
    border: 1px solid #2a2a4a; border-radius: 14px;
    padding: 2rem 2.5rem; text-align: center; min-width: 320px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.mx-exp-prog-spinner {
    width: 44px; height: 44px; margin: 0 auto 1rem;
    border: 3px solid #1a1a30; border-top-color: #6c63ff; border-right-color: #f820b0;
    border-radius: 50%; animation: mx-spin 0.8s linear infinite;
}
.mx-exp-prog-title {
    font-size: 1rem; font-weight: 700; color: #eee; margin-bottom: 0.5rem;
}
.mx-exp-prog-file {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 0.8rem; color: #00ff88; margin-bottom: 0.8rem;
    word-break: break-all;
    text-shadow: 0 0 8px #00ff8830;
}
.mx-exp-prog-bar-wrap {
    width: 100%; height: 6px; background: #1a1a30; border-radius: 3px;
    overflow: hidden; margin-bottom: 0.5rem;
}
.mx-exp-prog-bar {
    height: 100%; border-radius: 3px; transition: width 0.3s ease;
    background: linear-gradient(90deg, #6c63ff, #f820b0, #00ff88);
    background-size: 200% 100%; animation: mx-bar-shimmer 1.5s ease infinite;
}
@keyframes mx-bar-shimmer {
    0% { background-position: 0% 0; }
    50% { background-position: 100% 0; }
    100% { background-position: 0% 0; }
}
.mx-exp-prog-count {
    font-size: 0.7rem; color: #888; font-weight: 600;
}

/* ─── SEND TO DROPDOWN ─────────────────────── */
.mx-header-btns { display: flex; gap: 0.4rem; align-items: center; }
.mx-sendto-wrap { position: relative; }
.mx-sendto-btn {
    background: linear-gradient(135deg, #1a1a30, #2a2a45) !important;
    color: #aaa !important; border: 1px solid #333 !important;
}
.mx-sendto-btn:hover { color: #fff !important; border-color: #6c63ff !important; }
.mx-sendto-menu {
    position: absolute; top: 100%; right: 0; margin-top: 4px;
    background: linear-gradient(135deg, #12121e, #1a1a30);
    border: 1px solid #2a2a4a; border-radius: 8px;
    min-width: 200px; padding: 0.3rem 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 100; opacity: 0; transform: translateY(-4px);
    pointer-events: none; transition: all 0.15s;
}
.mx-sendto-menu.show { opacity: 1; transform: translateY(0); pointer-events: all; }
.mx-sendto-item {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 0.8rem; font-size: 0.72rem; color: #ccc;
    cursor: pointer; transition: all 0.12s;
}
.mx-sendto-item:hover { background: #1e1e36; color: #fff; }
.mx-sendto-item i { width: 16px; text-align: center; }

/* ─── EXPORT MODAL ─────────────────────────── */
.mx-modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(6px);
    z-index: 9999; display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.2s;
}
.mx-modal-overlay.active { opacity: 1; }
.mx-modal {
    background: linear-gradient(135deg, #12121e 0%, #1a1a30 100%);
    border: 1px solid #2a2a4a; border-radius: 14px;
    width: 520px; max-width: 95vw; max-height: 90vh; overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px #6c63ff10;
}
.mx-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.2rem; border-bottom: 1px solid #1e1e36;
}
.mx-modal-header h3 {
    margin: 0; font-size: 1rem; color: #eee;
    display: flex; align-items: center; gap: 0.5rem;
}
.mx-modal-header h3 i { color: #6c63ff; }
.mx-modal-close {
    width: 28px; height: 28px; border: none; border-radius: 6px;
    background: #2a2a40; color: #888; font-size: 1.1rem;
    cursor: pointer; transition: all 0.15s;
    display: flex; align-items: center; justify-content: center;
}
.mx-modal-close:hover { background: #ff4141; color: #fff; }
.mx-modal-body { padding: 1rem 1.2rem; }
.mx-modal-footer {
    display: flex; gap: 0.6rem; justify-content: flex-end;
    padding: 0.8rem 1.2rem; border-top: 1px solid #1e1e36;
}
.mx-export-go {
    background: linear-gradient(135deg, #00ff88, #00cfff) !important; color: #000 !important;
    font-weight: 800 !important; padding: 0.5rem 1.4rem !important;
}
.mx-export-go:hover { transform: scale(1.04); box-shadow: 0 0 16px #00ff8840; }

/* Filename input */
.mx-exp-filename-row {
    display: flex; align-items: center; gap: 0.5rem;
    margin-bottom: 0.8rem; flex-wrap: wrap;
}
.mx-exp-fn-label {
    font-size: 0.65rem; color: #888; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; min-width: 55px;
}
.mx-exp-fn-input {
    flex: 1; min-width: 180px; padding: 0.45rem 0.6rem;
    background: #0a0a14; border: 1px solid #333; border-radius: 6px;
    color: #eee; font-size: 0.78rem; font-family: inherit; outline: none;
    transition: border-color 0.2s;
}
.mx-exp-fn-input:focus { border-color: #6c63ff; box-shadow: 0 0 8px #6c63ff20; }
.mx-exp-fn-hint {
    font-size: 0.55rem; color: #555; font-style: italic;
}

/* Export form fields */
.mx-exp-tracks-list {
    display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.8rem;
    align-items: center;
}
.mx-exp-label {
    font-size: 0.65rem; color: #888; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; margin-right: 0.3rem;
}
.mx-exp-track {
    display: flex; align-items: center; gap: 0.3rem;
    padding: 0.25rem 0.5rem; background: #0d0d18; border: 1px solid #222;
    border-radius: 4px; font-size: 0.65rem; color: #ccc;
}
.mx-exp-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.mx-exp-dur { color: #555; font-size: 0.55rem; }
.mx-exp-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem;
    margin-bottom: 0.8rem;
}
.mx-exp-field label {
    display: block; font-size: 0.6rem; color: #888; font-weight: 600;
    margin-bottom: 0.25rem; text-transform: uppercase; letter-spacing: 0.5px;
}
.mx-exp-field select {
    width: 100%; padding: 0.45rem 0.5rem;
    background: #0a0a14; border: 1px solid #333; border-radius: 6px;
    color: #ddd; font-size: 0.72rem; font-family: inherit;
    outline: none; cursor: pointer; appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}
.mx-exp-field select:focus { border-color: #6c63ff; }
.mx-exp-info {
    display: flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 0.7rem; background: #0a0a1208; border: 1px solid #1a1a30;
    border-radius: 6px; font-size: 0.65rem; color: #888;
}
.mx-exp-info i { color: #6c63ff; }

/* ─── Responsive ───────────────────────────── */
@media (max-width: 768px) {
    .mx-track-info, .mx-tb-label { width: 120px; min-width: 120px; }
    .mx-track-controls { min-width: 100px; }
    .mx-track { height: 56px; }
    .mx-prompt-hint { display: none; }
    .mx-exp-grid { grid-template-columns: 1fr; }
    .mx-modal { width: 95vw; }
}