:root {
    --background: #f4f6f8;
    --surface: #ffffff;
    --surface-secondary: #f8fafc;
    --text: #1f2933;
    --text-secondary: #667085;
    --border: #dce2e8;
    --primary: #2563a6;
    --primary-dark: #194f87;
    --shadow: 0 4px 14px rgba(0, 0, 0, 0.07);
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family:
        Arial,
        Helvetica,
        sans-serif;
    line-height: 1.5;
}

button,
input {
    font: inherit;
}

.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.header-content {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-title-block {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-icon {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    background: #e8f1fb;
    border-radius: 50%;
    font-size: 27px;
}

.site-title-block h1 {
    margin: 0;
    font-size: clamp(1.55rem, 4vw, 2rem);
}

.site-title-block p {
    margin: 3px 0 0;
    color: var(--text-secondary);
}

.version {
    padding: 7px 11px;
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.84rem;
    white-space: nowrap;
}

.main-content {
    width: min(1180px, calc(100% - 32px));
    min-height: calc(100vh - 190px);
    margin: 0 auto;
    padding: 38px 0 55px;
}

.intro h2 {
    margin: 0;
    font-size: 1.65rem;
}

.intro p {
    max-width: 680px;
    margin: 8px 0 0;
    color: var(--text-secondary);
}

.search-section {
    margin-top: 27px;
}

.search-label {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
}

.search-box {
    position: relative;
    max-width: 620px;
}

.search-icon {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    pointer-events: none;
}

#artistSearch {
    width: 100%;
    min-height: 50px;
    padding: 11px 48px 11px 48px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    outline: none;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

#artistSearch:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 166, 0.14);
}

.clear-search {
    position: absolute;
    top: 50%;
    right: 10px;
    width: 34px;
    height: 34px;
    padding: 0;
    transform: translateY(-50%);
    background: transparent;
    border: 0;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 24px;
}

.clear-search:hover {
    background: var(--surface-secondary);
    color: var(--text);
}

.catalog-information {
    margin: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--text-secondary);
}

.refresh-button {
    padding: 8px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--text);
    cursor: pointer;
}

.refresh-button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.refresh-button:disabled {
    opacity: 0.55;
    cursor: wait;
}

.message,
.no-results {
    min-height: 190px;
    padding: 35px;
    display: grid;
    place-items: center;
    align-content: center;
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.message p,
.no-results p {
    margin: 10px 0 0;
    color: var(--text-secondary);
}

.message.error {
    color: #a61b1b;
    border-color: #e4b5b5;
    background: #fff8f8;
}

.loading-spinner {
    width: 34px;
    height: 34px;
    border: 4px solid #dce6ef;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}

@keyframes spinner {
    to {
        transform: rotate(360deg);
    }
}

.artists-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fill, minmax(245px, 1fr));
    gap: 18px;
}

.artist-card {
    min-height: 175px;
    padding: 21px;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        border-color 0.18s ease;
}

.artist-card:hover {
    transform: translateY(-3px);
    border-color: #b9cadb;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.10);
}

.artist-card-header {
    display: flex;
    align-items: flex-start;
    gap: 13px;
}

.artist-avatar {
    flex: 0 0 auto;
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    background: #e8f1fb;
    border-radius: 50%;
    font-size: 22px;
}

.artist-name {
    margin: 3px 0 0;
    font-size: 1.08rem;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.artist-statistics {
    margin: 20px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.artist-stat {
    padding: 5px 9px;
    background: var(--surface-secondary);
    border-radius: 16px;
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.artist-action {
    margin-top: auto;
    padding-top: 18px;
    color: var(--primary);
    font-size: 0.92rem;
    font-weight: 700;
}

.artist-card:hover .artist-action {
    color: var(--primary-dark);
}

.no-results div {
    font-size: 38px;
}

.no-results h3 {
    margin: 10px 0 0;
}

.site-footer {
    padding: 25px 16px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    text-align: center;
    font-size: 0.88rem;
}

.site-footer p {
    margin: 0;
}

[hidden] {
    display: none !important;
}

@media (max-width: 640px) {
    .header-content {
        align-items: flex-start;
    }

    .version {
        display: none;
    }

    .main-content {
        padding-top: 28px;
    }

    .catalog-information {
        align-items: flex-start;
        flex-direction: column;
    }

    .artists-grid {
        grid-template-columns: 1fr;
    }
}
.breadcrumb {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.breadcrumb-button {
    padding: 0;
    background: transparent;
    border: 0;
    color: var(--primary);
    cursor: pointer;
    font-weight: 700;
}

.breadcrumb-button:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: #98a2b3;
    font-size: 1.15rem;
}

.breadcrumb-current {
    color: var(--text);
    font-weight: 700;
}

.intro-heading {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.back-button {
    padding: 8px 13px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--primary);
    cursor: pointer;
    font-weight: 700;
}

.back-button:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
}

.catalog-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fill, minmax(245px, 1fr));
    gap: 18px;
}

.catalog-card {
    min-height: 175px;
    padding: 21px;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        border-color 0.18s ease;
}

.catalog-card:hover,
.catalog-card:focus-visible {
    transform: translateY(-3px);
    border-color: #b9cadb;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.10);
    outline: none;
}

.catalog-card-header {
    display: flex;
    align-items: flex-start;
    gap: 13px;
}

.catalog-avatar {
    flex: 0 0 auto;
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    background: #e8f1fb;
    border-radius: 50%;
    font-size: 22px;
}

.album-avatar {
    background: #f3ecff;
}

.catalog-name {
    margin: 3px 0 0;
    font-size: 1.08rem;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.catalog-statistics {
    margin: 20px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.catalog-stat {
    padding: 5px 9px;
    background: var(--surface-secondary);
    border-radius: 16px;
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.catalog-action {
    margin-top: auto;
    padding-top: 18px;
    color: var(--primary);
    font-size: 0.92rem;
    font-weight: 700;
}

.catalog-card:hover .catalog-action {
    color: var(--primary-dark);
}

@media (max-width: 640px) {
    .catalog-grid {
        grid-template-columns: 1fr;
    }

    .intro-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}
.tracks-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.track-item {
    min-height: 72px;
    padding: 13px 17px;
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition:
        border-color 0.18s ease,
        transform 0.18s ease,
        box-shadow 0.18s ease;
}

.track-item:hover {
    transform: translateY(-1px);
    border-color: #b9cadb;
    box-shadow: 0 5px 14px rgba(0, 0, 0, 0.07);
}

.track-play-button {
    flex: 0 0 auto;
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    padding: 0;
    background: #e8f1fb;
    border: 0;
    border-radius: 50%;
    color: var(--primary);
    cursor: pointer;
    font-size: 17px;
}

.track-play-button:hover {
    background: #d9e9f8;
    color: var(--primary-dark);
}

.track-information {
    min-width: 0;
    flex: 1;
}

.track-title {
    margin: 0;
    font-size: 1rem;
    overflow-wrap: anywhere;
}

.track-details {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.track-number {
    flex: 0 0 auto;
    min-width: 32px;
    color: var(--text-secondary);
    text-align: right;
    font-size: 0.86rem;
}

@media (max-width: 640px) {
    .track-item {
        padding: 12px;
    }

    .track-number {
        display: none;
    }
}

.audio-player {
    position: fixed;
    z-index: 1000;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.97);
    border-top: 1px solid var(--border);
    box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(10px);
}

.audio-player-content {
    width: min(1180px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(340px, 2fr) minmax(180px, 1fr);
    align-items: center;
    gap: 22px;
}

.audio-track-information {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.audio-track-cover {
    flex: 0 0 auto;
    width: 70px;
    height: 70px;
    overflow: hidden;
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.audio-track-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.audio-track-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

#audioTrackTitle {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#audioTrackMetadata {
    overflow: hidden;
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 0.84rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.audio-controls {
    min-width: 0;
}

.audio-main-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.audio-control-button,
.audio-play-button,
.audio-close-button {
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
}

.audio-control-button {
    width: 38px;
    height: 38px;
    background: var(--surface-secondary);
    color: var(--text);
}

.audio-play-button {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #ffffff;
    font-size: 18px;
}

.audio-control-button:hover {
    background: #e4e9ef;
}

.audio-play-button:hover {
    background: var(--primary-dark);
}

.audio-control-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.audio-progress-row {
    margin-top: 7px;
    display: grid;
    grid-template-columns: 42px 1fr 42px;
    align-items: center;
    gap: 9px;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.audio-progress {
    width: 100%;
    cursor: pointer;
}

.audio-volume {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 9px;
}

#audioVolume {
    width: 105px;
    cursor: pointer;
}

.audio-close-button {
    width: 32px;
    height: 32px;
    margin-left: 7px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 23px;
}

.audio-close-button:hover {
    background: var(--surface-secondary);
    color: var(--text);
}

.audio-error {
    width: min(1180px, 100%);
    margin: 7px auto 0;
    color: #a61b1b;
    font-size: 0.84rem;
    text-align: center;
}

body.player-visible {
    padding-bottom: 100px;
}

.track-item.playing {
    border-color: var(--primary);
    background: #f6faff;
}

.track-item.playing .track-play-button {
    background: var(--primary);
    color: #ffffff;
}

@media (max-width: 800px) {
    .audio-player-content {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .audio-track-information {
        justify-content: center;
    }

    .audio-volume {
        justify-content: center;
    }

    body.player-visible {
        padding-bottom: 230px;
    }
}

@media (max-width: 480px) {
    .audio-player {
        padding: 10px 12px;
    }

    .audio-progress-row {
        grid-template-columns: 38px 1fr 38px;
    }

    #audioVolume {
        width: 90px;
    }
}

.audio-control-button.active {
    background: var(--primary);
    color: #ffffff;
}

.audio-control-button.active:hover {
    background: var(--primary-dark);
}

.audio-progress {
    accent-color: var(--primary);
}

#audioVolume {
    accent-color: var(--primary);
}

.audio-track-cover.playing {
    animation: audioPulse 1.4s ease-in-out infinite;
}

@keyframes audioPulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

.catalog-cover {
    flex: 0 0 auto;
    width: 96px;
    height: 96px;
    object-fit: cover;
    background: var(--surface-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;

    box-shadow:
        0 6px 18px rgba(0,0,0,.08);

    transition:
        transform .20s ease,
        box-shadow .20s ease;
}

.catalog-card:hover .catalog-cover{

    transform:scale(1.05);

    box-shadow:
        0 10px 24px rgba(0,0,0,.15);

}

.catalog-card-header {
    align-items: center;
}