/**
 * Piste Subdivision / Ressenti — V2.3 lisibilité + durées visuelles.
 */

.cdm-player__rhythm > .cdm-player__subdiv-toggle-bar {
    display: flex;
    align-items: center;
    padding: 0 0 0.1rem 2.1rem;
    margin: 0 0 0.06rem;
    min-height: 0;
}

.cdm-player__subdiv-toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--cdm-navy-soft, #2d4a6f);
    margin: 0;
    cursor: pointer;
    touch-action: manipulation;
}

.cdm-player__subdiv-toggle-input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    accent-color: var(--cdm-gold, #e8a317);
}

.cdm-player__rhythm-lane--subdivision-felt {
    --cdm-subdiv-accent: var(--cdm-lane-color, #7c5cbf);
    --cdm-subdiv-rail-inset: 0;
    border-bottom: 1px solid rgba(30, 58, 95, 0.12);
    padding-bottom: 0.08rem;
    margin-bottom: 0.04rem;
}

.cdm-player__subdiv-lane.is-subdiv-lane-hidden {
    display: none !important;
}

.cdm-player__subdiv-lane .cdm-player__lane-track {
    display: none;
}

.cdm-player__subdiv-lane-body {
    grid-column: 2 / -1;
    display: flex;
    flex-direction: column;
    gap: 0.08rem;
    min-width: 0;
}

.cdm-player__subdiv-lane-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.2rem 0.4rem;
}

.cdm-player__subdiv-preset-label {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.68rem;
    margin: 0;
    flex: 1 1 auto;
    min-width: 0;
}

.cdm-player__subdiv-preset-label-text {
    font-weight: 600;
    color: var(--cdm-navy, #1e3a5f);
    white-space: nowrap;
}

.cdm-player__subdiv-preset-select {
    min-height: 2.1rem;
    min-width: 8.5rem;
    max-width: 100%;
    flex: 1 1 10rem;
    padding: 0.35rem 1.75rem 0.35rem 0.55rem;
    border-radius: 0.35rem;
    border: 1.5px solid rgba(30, 58, 95, 0.38);
    background-color: var(--cdm-gold-soft, #fff3d6);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%231e3a5f' d='M1 1l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.55rem center;
    background-size: 0.55rem auto;
    color: var(--cdm-navy, #1e3a5f);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.3;
    appearance: none;
    -webkit-appearance: none;
    touch-action: manipulation;
    cursor: pointer;
}

.cdm-player__subdiv-preset-select:focus {
    outline: 2px solid var(--cdm-gold, #e8a317);
    outline-offset: 2px;
    border-color: var(--cdm-gold, #e8a317);
    box-shadow: 0 0 0 2px rgba(232, 163, 23, 0.25);
}

.cdm-player__subdiv-preset-select:focus-visible {
    outline: 2px solid var(--cdm-gold, #e8a317);
    outline-offset: 2px;
}

.cdm-player__subdiv-preset-select option {
    color: var(--cdm-navy, #1e3a5f);
    background: #fffef8;
    font-weight: 600;
}

.cdm-player__subdiv-rail-wrap {
    position: relative;
    height: 1.5rem;
    box-sizing: border-box;
    border-radius: 0.3rem;
    background: linear-gradient(
        90deg,
        rgba(30, 58, 95, 0.06) 0%,
        rgba(124, 92, 191, 0.04) 50%,
        rgba(30, 58, 95, 0.06) 100%
    );
    overflow: visible;
}

.cdm-player__subdiv-rail {
    position: absolute;
    inset: 0;
    overflow: visible;
}

.cdm-player__subdiv-rail.is-silence {
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 12%,
        rgba(30, 58, 95, 0.12) 12%,
        rgba(30, 58, 95, 0.12) 12.5%
    );
}

/* Segments de durée (ronde, blanche, pointés longs) */
.cdm-player__subdiv-hold {
    position: absolute;
    top: 50%;
    height: 0.42rem;
    transform: translateY(-50%);
    border-radius: 0.2rem;
    background: linear-gradient(
        90deg,
        rgba(124, 92, 191, 0.42) 0%,
        rgba(124, 92, 191, 0.18) 85%,
        rgba(124, 92, 191, 0.06) 100%
    );
    pointer-events: none;
    z-index: 0;
}

.cdm-player__subdiv-hold--whole-hold {
    height: 0.5rem;
    background: linear-gradient(
        90deg,
        rgba(124, 92, 191, 0.55) 0%,
        rgba(124, 92, 191, 0.22) 60%,
        rgba(124, 92, 191, 0.08) 100%
    );
    animation: cdm-subdiv-breath 2.4s ease-in-out infinite;
}

@keyframes cdm-subdiv-breath {
    0%,
    100% {
        opacity: 0.88;
    }
    50% {
        opacity: 1;
    }
}

.cdm-player__subdiv-hold--half-hold,
.cdm-player__subdiv-hold--dotted-hold {
    height: 0.38rem;
    background: linear-gradient(
        90deg,
        rgba(124, 92, 191, 0.48) 0%,
        rgba(124, 92, 191, 0.14) 92%
    );
}

.cdm-player__subdiv-impulse {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: rgba(30, 58, 95, 0.45);
    transition: transform 0.07s ease, box-shadow 0.07s ease;
    pointer-events: none;
    z-index: 1;
}

.cdm-player__subdiv-impulse--accent {
    width: 0.62rem;
    height: 0.62rem;
    background: var(--cdm-subdiv-accent);
    box-shadow: 0 0 0 2px rgba(124, 92, 191, 0.28);
}

.cdm-player__subdiv-impulse--soft {
    opacity: 0.88;
    width: 0.42rem;
    height: 0.42rem;
    background: rgba(30, 58, 95, 0.52);
}

.cdm-player__subdiv-impulse--whole-hold.cdm-player__subdiv-impulse--accent {
    width: 0.72rem;
    height: 0.72rem;
    box-shadow: 0 0 0 3px rgba(124, 92, 191, 0.35), 0 0 10px rgba(124, 92, 191, 0.35);
}

.cdm-player__subdiv-impulse--half-hold.cdm-player__subdiv-impulse--accent,
.cdm-player__subdiv-impulse--dotted-hold.cdm-player__subdiv-impulse--accent {
    width: 0.58rem;
    height: 0.58rem;
}

.cdm-player__subdiv-impulse--half-hold.cdm-player__subdiv-impulse--soft,
.cdm-player__subdiv-impulse--dotted-hold.cdm-player__subdiv-impulse--soft {
    width: 0.44rem;
    height: 0.44rem;
    opacity: 0.9;
}

.cdm-player__subdiv-impulse.is-pulsing {
    transform: translate(-50%, -50%) scale(1.35);
    box-shadow: 0 0 8px rgba(124, 92, 191, 0.55);
}

.cdm-player__subdiv-impulse--silence {
    width: calc(100% - 2 * var(--cdm-subdiv-rail-inset));
    height: 1px;
    left: 50% !important;
    transform: translate(-50%, -50%);
    border-radius: 0;
    background: rgba(30, 58, 95, 0.22);
}

.cdm-player__subdiv-rail.is-dotted-quarter .cdm-player__subdiv-impulse--soft {
    width: 0.4rem;
    height: 0.4rem;
    background: var(--cdm-gold, #e8a317);
    opacity: 0.92;
    box-shadow: 0 0 0 1px rgba(232, 163, 23, 0.35);
}

.cdm-player__subdiv-rail.is-dotted-eighth .cdm-player__subdiv-impulse--soft {
    width: 0.34rem;
    height: 0.34rem;
    background: rgba(232, 163, 23, 0.85);
}

.cdm-player__subdiv-rail.is-triplet-feel .cdm-player__subdiv-impulse--soft {
    width: 0.36rem;
    height: 0.36rem;
    opacity: 0.82;
}

.cdm-player__subdiv-rail.is-dense-feel .cdm-player__subdiv-impulse {
    width: 0.32rem;
    height: 0.32rem;
    opacity: 0.72;
}

.cdm-player__subdiv-rail.is-dense-feel .cdm-player__subdiv-impulse--accent {
    width: 0.4rem;
    height: 0.4rem;
    opacity: 0.95;
}

.cdm-player__subdiv-rail-pulse {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    margin-left: -1px;
    background: var(--cdm-subdiv-accent);
    opacity: 0;
    transition: opacity 0.06s ease;
    pointer-events: none;
    z-index: 2;
}

.cdm-player__subdiv-rail-pulse.is-active {
    opacity: 0.85;
    box-shadow: 0 0 6px rgba(124, 92, 191, 0.55);
}

.cdm-player__subdiv-feeling {
    margin: 0;
    font-size: 0.64rem;
    line-height: 1.25;
    color: var(--cdm-navy-soft, #2d4a6f);
    opacity: 0.92;
    font-style: italic;
}

.cdm-player__subdiv-lane.is-lane-disabled {
    opacity: 0.45;
}

.cdm-player__subdiv-lane.is-lane-active .cdm-player__subdiv-rail-wrap {
    box-shadow: inset 0 0 0 1px rgba(30, 58, 95, 0.2);
}

.cdm-player__subdiv-lane.is-exercise-lane-focus {
    outline: 2px solid var(--cdm-gold, #e8a317);
    outline-offset: 1px;
    border-radius: 0.2rem;
}

.cdm-player__track--subdivision-felt .cdm-player__track-label {
    font-weight: 600;
}

@media (max-width: 480px) {
    .cdm-player__subdiv-preset-select {
        min-width: 100%;
        flex: 1 1 100%;
        min-height: 2.35rem;
        font-size: 0.82rem;
    }

    .cdm-player__subdiv-rail-wrap {
        height: 1.85rem;
    }

    .cdm-player__subdiv-impulse--accent {
        width: 0.66rem;
        height: 0.66rem;
    }
}