/**
 * Developed by Science & Marketing
 * Project: SM Audio Player
 * Module: Frontend Styles
 * Version: 1.6.2
 * Date: 2026-09-09
 */

.sm-audio-player {
    --sm-audio-accent: currentColor;
    --sm-audio-progress: 0%;
    --sm-audio-border: color-mix(in srgb, currentColor 13%, transparent);
    --sm-audio-surface: color-mix(in srgb, currentColor 4.5%, transparent);
    --sm-audio-surface-strong: color-mix(in srgb, currentColor 7.5%, transparent);

    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    padding: clamp(18px, 2.4vw, 28px);
    color: inherit;
    border: 1px solid var(--sm-audio-border);
    border-radius: clamp(18px, 2vw, 26px);
    background: var(--sm-audio-surface);
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.07);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.sm-audio-player *,
.sm-audio-player *::before,
.sm-audio-player *::after {
    box-sizing: border-box;
}

.sm-audio-player .visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.sm-audio-player__library-head,
.sm-audio-player__now {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    min-width: 0;
}

.sm-audio-player__library-head {
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 18px;
}

.sm-audio-player__library-title {
    margin: 3px 0 0;
    font-size: clamp(1.1rem, 1.8vw, 1.45rem);
    line-height: 1.15;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.sm-audio-player__count,
.sm-audio-player__status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 28px;
    padding: 0 11px;
    font-size: 0.72rem;
    line-height: 1;
    font-weight: 600;
    border-radius: 999px;
    background: var(--sm-audio-surface-strong);
    opacity: 0.72;
}

.sm-audio-player__identity {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.sm-audio-player__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    color: var(--sm-audio-accent);
    border-radius: 50%;
    background: color-mix(in srgb, var(--sm-audio-accent) 12%, transparent);
}



.sm-audio-player__eyebrow {
    font-size: 0.71rem;
    line-height: 1.2;
    font-weight: 650;
    letter-spacing: 0.095em;
    text-transform: uppercase;
    opacity: 0.56;
}

.sm-audio-player__title {
    display: block;
    overflow: hidden;
    font-size: clamp(1rem, 1.2vw, 1.12rem);
    line-height: 1.35;
    font-weight: 650;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sm-audio-player__search-wrap {
    display: block;
    margin-bottom: 14px;
}

.sm-audio-player__search {
    width: 100%;
    min-height: 44px;
    padding: 0 14px;
    color: inherit;
    font: inherit;
    border: 1px solid var(--sm-audio-border);
    border-radius: 12px;
    outline: 0;
    background: color-mix(in srgb, currentColor 3%, transparent);
    transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.sm-audio-player__search::placeholder {
    color: inherit;
    opacity: 0.48;
}

.sm-audio-player__search:focus-visible {
    border-color: color-mix(in srgb, var(--sm-audio-accent) 65%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sm-audio-accent) 16%, transparent);
}

.sm-audio-player__playlist {
    display: grid;
    gap: 7px;
    max-height: min(48vh, 520px);
    margin: 0;
    padding: 0 3px 0 0;
    overflow-y: auto;
    list-style: none;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, currentColor 25%, transparent) transparent;
}

.sm-audio-player__track-item[hidden] {
    display: none !important;
}

.sm-audio-player__track {
    display: grid;
    grid-template-columns: 34px 34px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    width: 100%;
    min-height: 50px;
    padding: 7px 11px;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.sm-audio-player__track:hover {
    background: var(--sm-audio-surface-strong);
}

.sm-audio-player__track:focus-visible {
    outline: 2px solid var(--sm-audio-accent);
    outline-offset: 2px;
}

.sm-audio-player__track.is-selected {
    border-color: color-mix(in srgb, var(--sm-audio-accent) 24%, transparent);
    background: color-mix(in srgb, var(--sm-audio-accent) 8%, transparent);
}

.sm-audio-player__track-index {
    font-size: 0.71rem;
    font-variant-numeric: tabular-nums;
    opacity: 0.46;
}

.sm-audio-player__track-play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--sm-audio-accent);
    border-radius: 50%;
    background: color-mix(in srgb, var(--sm-audio-accent) 10%, transparent);
}

.sm-audio-player__track-title {
    overflow: hidden;
    min-width: 0;
    font-size: 0.93rem;
    font-weight: 560;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sm-audio-player__track-type {
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    opacity: 0.42;
}

.sm-audio-player__deck {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--sm-audio-border);
}

.sm-audio-player__timeline {
    display: grid;
    grid-template-columns: minmax(42px, auto) minmax(80px, 1fr) minmax(42px, auto);
    align-items: center;
    gap: 13px;
    margin-top: 22px;
}

.sm-audio-player__time {
    font-size: 0.78rem;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    opacity: 0.58;
}

.sm-audio-player__time--duration {
    text-align: right;
}

.sm-audio-player__range {
    width: 100%;
    height: 20px;
    margin: 0;
    padding: 0;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    border: 0;
    outline: none;
    background: transparent;
}

.sm-audio-player__range::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(
        to right,
        var(--sm-audio-accent) 0%,
        var(--sm-audio-accent) var(--sm-audio-progress),
        color-mix(in srgb, currentColor 13%, transparent) var(--sm-audio-progress),
        color-mix(in srgb, currentColor 13%, transparent) 100%
    );
}

.sm-audio-player__range::-webkit-slider-thumb {
    width: 16px;
    height: 16px;
    margin-top: -6px;
    appearance: none;
    -webkit-appearance: none;
    border: 3px solid var(--sm-audio-accent);
    border-radius: 50%;
    background: Canvas;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.sm-audio-player__range::-moz-range-track {
    height: 4px;
    border: 0;
    border-radius: 999px;
    background: color-mix(in srgb, currentColor 13%, transparent);
}

.sm-audio-player__range::-moz-range-progress {
    height: 4px;
    border-radius: 999px;
    background: var(--sm-audio-accent);
}

.sm-audio-player__range::-moz-range-thumb {
    width: 11px;
    height: 11px;
    border: 3px solid var(--sm-audio-accent);
    border-radius: 50%;
    background: Canvas;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.sm-audio-player__range:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--sm-audio-accent) 70%, transparent);
    outline-offset: 5px;
    border-radius: 999px;
}

.sm-audio-player__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(5px, 1vw, 10px);
    margin-top: 18px;
}

.sm-audio-player__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    padding: 0;
    color: inherit;
    font: inherit;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    border: 1px solid var(--sm-audio-border);
    border-radius: 50%;
    background: color-mix(in srgb, currentColor 5%, transparent);
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

.sm-audio-player__button:hover:not(:disabled) {
    background: color-mix(in srgb, currentColor 10%, transparent);
    transform: translateY(-1px);
}

.sm-audio-player__button--track svg {
    width: 19px;
    height: 19px;
}

.sm-audio-player__button--primary {
    color: #fff;
    border-color: transparent;
    background: var(--sm-audio-accent);
    box-shadow: 0 7px 20px color-mix(in srgb, var(--sm-audio-accent) 30%, transparent);
}

.sm-audio-player__button--primary:hover:not(:disabled) {
    color: #fff;
    background: color-mix(in srgb, var(--sm-audio-accent) 88%, #000);
}

.sm-audio-player__button:focus-visible {
    outline: 2px solid var(--sm-audio-accent);
    outline-offset: 3px;
}

.sm-audio-player__button:disabled {
    cursor: default;
    opacity: 0.32;
    transform: none;
}

.sm-audio-player.is-playing .sm-audio-player__status {
    color: var(--sm-audio-accent);
    background: color-mix(in srgb, var(--sm-audio-accent) 11%, transparent);
    opacity: 1;
}

.sm-audio-player__empty {
    display: grid;
    gap: 5px;
    padding: 20px;
    text-align: center;
    border: 1px dashed var(--sm-audio-border);
    border-radius: 14px;
    background: color-mix(in srgb, currentColor 2.5%, transparent);
}

.sm-audio-player__empty strong {
    font-size: 0.98rem;
}

.sm-audio-player__empty span {
    font-size: 0.85rem;
    opacity: 0.62;
}

.sm-audio-color-probe {
    position: absolute !important;
    z-index: -1 !important;
    width: 1px !important;
    height: 1px !important;
    min-height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

@media (max-width: 640px) {
    .sm-audio-player {
        padding: 17px;
        border-radius: 18px;
    }

    .sm-audio-player__library-head,
    .sm-audio-player__now {
        align-items: flex-start;
        gap: 12px;
    }

    .sm-audio-player__icon {
        width: 42px;
        height: 42px;
    }

    .sm-audio-player__playlist {
        max-height: 44vh;
    }

    .sm-audio-player__track {
        grid-template-columns: 28px 30px minmax(0, 1fr) auto;
        min-height: 48px;
        padding-inline: 8px;
    }

    .sm-audio-player__timeline {
        grid-template-columns: 38px minmax(0, 1fr) 38px;
        gap: 8px;
        margin-top: 19px;
    }

    .sm-audio-player__controls {
        gap: 7px;
        margin-top: 16px;
    }

    .sm-audio-player__button {
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 390px) {
    .sm-audio-player__status {
        display: none;
    }

    .sm-audio-player__count {
        min-height: 25px;
        padding-inline: 9px;
        font-size: 0.67rem;
    }

    .sm-audio-player__track {
        grid-template-columns: 26px 28px minmax(0, 1fr);
    }

    .sm-audio-player__track-type {
        display: none;
    }

    .sm-audio-player__button {
        width: 43px;
        height: 43px;
    }

    .sm-audio-player__controls {
        gap: 5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sm-audio-player__button,
    .sm-audio-player__track,
    .sm-audio-player__search {
        transition: none;
    }

    .sm-audio-player__button:hover:not(:disabled) {
        transform: none;
    }
}


/* V1.1.0 — compact seven-button playlist navigation */
@media (max-width: 640px) {
    .sm-audio-player--library .sm-audio-player__controls {
        gap: 5px;
    }

    .sm-audio-player--library .sm-audio-player__button {
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 390px) {
    .sm-audio-player--library .sm-audio-player__controls {
        gap: 4px;
    }

    .sm-audio-player--library .sm-audio-player__button {
        width: 39px;
        height: 39px;
    }
}

@media (max-width: 340px) {
    .sm-audio-player--library .sm-audio-player__controls {
        gap: 3px;
    }

    .sm-audio-player--library .sm-audio-player__button {
        width: 38px;
        height: 38px;
    }
}


/* ==========================================================
   EXTERNAL PROVIDERS — SPOTIFY / IVOOX
   ========================================================== */

.sm-audio-player--external {
    overflow: hidden;
}

.sm-audio-player__external-heading {
    margin-bottom: 14px;
}

.sm-audio-player__external-title {
    display: block;
    overflow: hidden;
    font-size: clamp(1rem, 1.2vw, 1.12rem);
    line-height: 1.35;
    font-weight: 650;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sm-audio-player__external-frame {
    width: 100%;
    min-width: 0;
    min-height: var(--sm-audio-external-height, 200px);
    overflow: hidden;
    border-radius: 14px;
}

.sm-audio-player__iframe {
    display: block;
    width: 100%;
    max-width: 100%;
    min-height: var(--sm-audio-external-height, 200px);
    border: 0;
    border-radius: 14px;
    background: transparent;
}

.sm-audio-player__external-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 100%;
    min-height: var(--sm-audio-external-height, 200px);
    padding: clamp(22px, 4vw, 40px);
    color: inherit;
    font: inherit;
    text-align: center;
    cursor: pointer;
    border: 1px solid var(--sm-audio-border);
    border-radius: 14px;
    background: var(--sm-audio-surface-strong);
    transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.sm-audio-player__external-loader:hover {
    border-color: color-mix(in srgb, var(--sm-audio-accent) 30%, transparent);
    background: color-mix(in srgb, var(--sm-audio-accent) 7%, transparent);
}

.sm-audio-player__external-loader:focus-visible {
    outline: 2px solid var(--sm-audio-accent);
    outline-offset: 3px;
}

.sm-audio-player__external-provider {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 0 11px;
    color: var(--sm-audio-accent);
    font-size: 0.72rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: 999px;
    background: color-mix(in srgb, var(--sm-audio-accent) 10%, transparent);
}

.sm-audio-player__external-loader strong {
    font-size: clamp(1rem, 1.5vw, 1.12rem);
    font-weight: 650;
}

.sm-audio-player__external-loader > span:last-child {
    max-width: 46ch;
    font-size: 0.78rem;
    line-height: 1.45;
    opacity: 0.62;
}

@media (max-width: 640px) {
    .sm-audio-player--external {
        padding: 14px;
    }

    .sm-audio-player__external-frame,
    .sm-audio-player__iframe,
    .sm-audio-player__external-loader {
        border-radius: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sm-audio-player__external-loader {
        transition: none;
    }
}


/* ==========================================================
   V1.4.2 — PLAYBACK EXPERIENCE
   ========================================================== */

.sm-audio-player__playback-tools {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 14px;
}

.sm-audio-player__speed-control,
.sm-audio-player__volume-control {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    color: inherit;
    font: inherit;
}

.sm-audio-player__speed-control {
    gap: 8px;
}

.sm-audio-player__tool-label,
.sm-audio-player__volume-value {
    font-size: 0.72rem;
    line-height: 1;
    font-weight: 650;
    opacity: 0.62;
}

.sm-audio-player__speed-select {
    min-width: 76px;
    min-height: 38px;
    padding: 0 28px 0 11px;
    color: inherit;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 650;
    cursor: pointer;
    border: 1px solid var(--sm-audio-border);
    border-radius: 999px;
    outline: 0;
    background-color: color-mix(in srgb, currentColor 4%, transparent);
}

.sm-audio-player__speed-select:focus-visible,
.sm-audio-player__volume-range:focus-visible {
    outline: 2px solid var(--sm-audio-accent);
    outline-offset: 3px;
}

.sm-audio-player__volume-control {
    gap: 8px;
    min-width: min(260px, 42vw);
}

.sm-audio-player__volume-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    opacity: 0.68;
}

.sm-audio-player__volume-range {
    width: clamp(110px, 18vw, 190px);
    height: 20px;
    margin: 0;
    padding: 0;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    border: 0;
    outline: 0;
    background: transparent;
}

.sm-audio-player__volume-range::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, currentColor 16%, transparent);
}

.sm-audio-player__volume-range::-webkit-slider-thumb {
    width: 14px;
    height: 14px;
    margin-top: -5px;
    appearance: none;
    -webkit-appearance: none;
    border: 3px solid var(--sm-audio-accent);
    border-radius: 50%;
    background: Canvas;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.16);
}

.sm-audio-player__volume-range::-moz-range-track {
    height: 4px;
    border-radius: 999px;
    background: color-mix(in srgb, currentColor 16%, transparent);
}

.sm-audio-player__volume-range::-moz-range-progress {
    height: 4px;
    border-radius: 999px;
    background: var(--sm-audio-accent);
}

.sm-audio-player__volume-range::-moz-range-thumb {
    width: 9px;
    height: 9px;
    border: 3px solid var(--sm-audio-accent);
    border-radius: 50%;
    background: Canvas;
}

.sm-audio-player__volume-value {
    min-width: 36px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 640px) {
    .sm-audio-player__playback-tools {
        margin-top: 12px;
    }

    .sm-audio-player__playback-tools {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .sm-audio-player__volume-control,
    .sm-audio-player__speed-control {
        width: 100%;
        min-width: 0;
        justify-content: center;
    }

    .sm-audio-player__volume-range {
        width: min(180px, 52vw);
        flex: 1 1 120px;
    }
}


/* ==========================================================
   V1.4.2 — LOCAL CONTROL VISIBILITY FIX
   ========================================================== */

.sm-audio-player__playback-tools[hidden],
.sm-audio-player__search-wrap[hidden] {
    display: none !important;
}

.sm-audio-player__playback-tools {
    visibility: visible;
    opacity: 1;
}

@media (max-width: 390px) {
    .sm-audio-player__volume-control {
        gap: 6px;
    }

    .sm-audio-player__volume-range {
        width: min(150px, 48vw);
    }

    .sm-audio-player__volume-value {
        min-width: 32px;
    }
}

/* ==========================================================
   V1.5.0 — EXTERNAL FULL-CATALOG LISTS
   ========================================================== */

.sm-audio-player__external-catalog {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--sm-audio-border);
}

.sm-audio-player__external-catalog-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.sm-audio-player__external-catalog-title {
    display: block;
    margin-top: 3px;
    font-size: clamp(1rem, 1.45vw, 1.2rem);
    line-height: 1.2;
    font-weight: 650;
}

.sm-audio-player__external-list {
    display: grid;
    gap: 7px;
    max-height: min(56vh, 620px);
    margin: 0;
    padding: 0 3px 0 0;
    overflow-y: auto;
    list-style: none;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, currentColor 25%, transparent) transparent;
}

.sm-audio-player__external-item {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
}

.sm-audio-player__external-item[hidden] {
    display: none !important;
}

.sm-audio-player__external-episode {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) 30px;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 58px;
    padding: 8px 11px;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.sm-audio-player__external-episode:hover {
    background: var(--sm-audio-surface-strong);
}

.sm-audio-player__external-episode:focus-visible {
    outline: 2px solid var(--sm-audio-accent);
    outline-offset: 2px;
}

.sm-audio-player__external-episode.is-selected {
    border-color: color-mix(in srgb, var(--sm-audio-accent) 26%, transparent);
    background: color-mix(in srgb, var(--sm-audio-accent) 8%, transparent);
}

.sm-audio-player__external-index {
    font-size: 0.71rem;
    font-variant-numeric: tabular-nums;
    opacity: 0.46;
}

.sm-audio-player__external-episode-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.sm-audio-player__external-episode-copy strong {
    overflow: hidden;
    font-size: 0.92rem;
    font-weight: 620;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.sm-audio-player__external-episode-copy span {
    overflow: hidden;
    font-size: 0.72rem;
    white-space: nowrap;
    text-overflow: ellipsis;
    opacity: 0.58;
}

.sm-audio-player__external-play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--sm-audio-accent);
    border-radius: 50%;
    background: color-mix(in srgb, var(--sm-audio-accent) 10%, transparent);
}

.sm-audio-player__external-provider-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 10px;
    color: inherit;
    font-size: 0.68rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid var(--sm-audio-border);
    border-radius: 999px;
    opacity: 0.68;
}

.sm-audio-player__external-provider-link:hover,
.sm-audio-player__external-provider-link:focus-visible {
    color: var(--sm-audio-accent);
    opacity: 1;
}

@media (max-width: 640px) {
    .sm-audio-player__external-catalog-head {
        align-items: flex-start;
    }

    .sm-audio-player__external-item {
        grid-template-columns: minmax(0, 1fr);
    }

    .sm-audio-player__external-provider-link {
        justify-self: end;
        margin-top: -4px;
        margin-right: 4px;
    }

    .sm-audio-player__external-list {
        max-height: 58vh;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sm-audio-player__external-episode {
        transition: none;
    }
}

/* ==========================================================
   V1.6.2 — RESPONSIVE LAYOUT MODES
   Vertical keeps the established flow. Horizontal uses the
   component's own available width and stacks safely when narrow.
   ========================================================== */

.sm-audio-player {
    container-name: sm-audio-player;
    container-type: inline-size;
}

.sm-audio-player__split,
.sm-audio-player__player-pane,
.sm-audio-player__catalog-pane {
    min-width: 0;
}

/* Horizontal mode on narrow components: player first, catalog second. */
.sm-audio-player--layout-horizontal .sm-audio-player__split:not(.sm-audio-player__split--single) {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sm-audio-player--layout-horizontal .sm-audio-player__player-pane {
    order: 1;
}

.sm-audio-player--layout-horizontal .sm-audio-player__catalog-pane {
    order: 2;
}

.sm-audio-player--library.sm-audio-player--layout-horizontal .sm-audio-player__deck {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.sm-audio-player--library.sm-audio-player--layout-horizontal .sm-audio-player__catalog-pane {
    padding-top: 20px;
    border-top: 1px solid var(--sm-audio-border);
}

.sm-audio-player--external.sm-audio-player--layout-horizontal .sm-audio-player__external-catalog {
    margin-top: 0;
    padding-top: 20px;
    border-top: 1px solid var(--sm-audio-border);
}

/* True side-by-side layout only when the component itself has room. */
@container sm-audio-player (min-width: 820px) {
    .sm-audio-player--layout-horizontal .sm-audio-player__split:not(.sm-audio-player__split--single) {
        display: grid;
        grid-template-columns: minmax(300px, 0.9fr) minmax(380px, 1.1fr);
        grid-template-areas: "player catalog";
        align-items: start;
        gap: clamp(24px, 3vw, 42px);
    }

    .sm-audio-player--layout-horizontal .sm-audio-player__player-pane {
        grid-area: player;
        order: initial;
        padding-right: clamp(24px, 3vw, 42px);
        border-right: 1px solid var(--sm-audio-border);
    }

    .sm-audio-player--layout-horizontal .sm-audio-player__catalog-pane {
        grid-area: catalog;
        order: initial;
        padding-top: 0;
        border-top: 0;
    }

    .sm-audio-player--library.sm-audio-player--layout-horizontal .sm-audio-player__playlist,
    .sm-audio-player--external.sm-audio-player--layout-horizontal .sm-audio-player__external-list {
        max-height: 520px;
    }

    .sm-audio-player--external.sm-audio-player--layout-horizontal .sm-audio-player__external-catalog {
        margin-top: 0;
        padding-top: 0;
        border-top: 0;
    }

    .sm-audio-player--external.sm-audio-player--layout-horizontal .sm-audio-player__external-player-pane {
        align-self: start;
    }
}

/* Single items have no catalog: horizontal selection remains full-width. */
.sm-audio-player--layout-horizontal .sm-audio-player__split--single {
    display: block;
}

@media (max-width: 640px) {
    .sm-audio-player--layout-horizontal .sm-audio-player__split:not(.sm-audio-player__split--single) {
        gap: 16px;
    }

    .sm-audio-player--library.sm-audio-player--layout-horizontal .sm-audio-player__catalog-pane,
    .sm-audio-player--external.sm-audio-player--layout-horizontal .sm-audio-player__external-catalog {
        padding-top: 16px;
    }
}

/* Fallback for older browsers without CSS Container Queries. */
@supports not (container-type: inline-size) {
    @media (min-width: 900px) {
        .sm-audio-player--layout-horizontal .sm-audio-player__split:not(.sm-audio-player__split--single) {
            display: grid;
            grid-template-columns: minmax(300px, 0.9fr) minmax(380px, 1.1fr);
            grid-template-areas: "player catalog";
            align-items: start;
            gap: 32px;
        }

        .sm-audio-player--layout-horizontal .sm-audio-player__player-pane {
            grid-area: player;
            padding-right: 32px;
            border-right: 1px solid var(--sm-audio-border);
        }

        .sm-audio-player--layout-horizontal .sm-audio-player__catalog-pane {
            grid-area: catalog;
            padding-top: 0;
            border-top: 0;
        }

        .sm-audio-player--external.sm-audio-player--layout-horizontal .sm-audio-player__external-catalog {
            margin-top: 0;
            padding-top: 0;
            border-top: 0;
        }
    }
}