/* ============================================================
   SWISS BRUTALISM — SPOTIFY / ARTIST INDEX
   ============================================================ */

:root {
    --ink: #0a0a0a;
    --paper: #f4f1ea;
    --accent: #ff2d2d;
    --rule: 2px;
    --rule-thick: 6px;
    --gutter: clamp(16px, 2vw, 32px);
    --font-sans: "Helvetica Neue", Helvetica, Arial, "Inter", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-height: 1.2;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
}

/* small global helpers ---------------------------------------- */

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--ink);
    color: var(--paper);
    padding: 0 .35em;
}

em {
    color: var(--accent);
    font-style: normal;
}

::selection {
    background: var(--accent);
    color: var(--paper);
}

/* ============================================================
   MASTHEAD
   ============================================================ */

.masthead {
    padding: var(--gutter);
    border-bottom: var(--rule-thick) solid var(--ink);
    background: var(--paper);
}

.masthead__row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    border-bottom: var(--rule) solid var(--ink);
    padding-bottom: 8px;
    margin-bottom: 24px;
}

.masthead__brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.masthead__mark {
    color: var(--accent);
    font-size: 16px;
    line-height: 1;
}

.masthead__sep {
    margin: 0 6px;
}

.masthead__headline {
    font-size: clamp(48px, 10vw, 140px);
    font-weight: 900;
    line-height: .92;
    letter-spacing: -.04em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

/* search ------------------------------------------------------- */

.search {
    display: grid;
    grid-template-columns: max-content 1fr max-content;
    align-items: stretch;
    gap: 0;
    border: var(--rule-thick) solid var(--ink);
    background: var(--ink);
    color: var(--paper);
}

.search__label {
    padding: 14px 18px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .1em;
    align-self: center;
    border-right: var(--rule) solid var(--paper);
    background: var(--ink);
}

.search__input {
    background: var(--ink);
    color: var(--paper);
    border: none;
    outline: none;
    font-family: var(--font-sans);
    font-size: clamp(18px, 2.4vw, 28px);
    font-weight: 700;
    text-transform: uppercase;
    padding: 14px 18px;
    width: 100%;
}

.search__input::placeholder {
    color: var(--paper);
    opacity: .35;
}

.search__submit {
    background: var(--accent);
    color: var(--paper);
    border: none;
    border-left: var(--rule) solid var(--paper);
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    padding: 14px 22px;
    cursor: pointer;
    transition: background 80ms linear, color 80ms linear;
}

.search__submit:hover,
.search__submit:focus-visible {
    background: var(--paper);
    color: var(--accent);
    outline: none;
}

/* ============================================================
   CONTENT BLOCKS
   ============================================================ */

.content {
    padding: var(--gutter);
    display: flex;
    flex-direction: column;
    gap: calc(var(--gutter) * 2);
    flex: 1;
}

.block__header {
    display: grid;
    grid-template-columns: 64px 1fr max-content;
    align-items: end;
    gap: 16px;
    border-bottom: var(--rule-thick) solid var(--ink);
    padding-bottom: 8px;
    margin-bottom: 20px;
}

.block__index {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    background: var(--ink);
    color: var(--paper);
    padding: 6px 8px;
    text-align: center;
}

.block__title {
    font-size: clamp(26px, 4vw, 48px);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -.02em;
    line-height: 1;
}

.block__sub {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink);
    opacity: .8;
}

/* ============================================================
   TODAY'S TOP 3 — Tracks list
   ============================================================ */

.tracks {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--rule-thick) solid var(--ink);
}

.tracks__item {
    position: relative;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: 20px;
    background: var(--paper);
    border-right: var(--rule) solid var(--ink);
    min-height: 220px;
    overflow: hidden;
}

.tracks__item:last-child {
    border-right: none;
}

.tracks__item:nth-child(1) {
    background: var(--accent);
    color: var(--paper);
}

.tracks__rank {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    margin-bottom: 12px;
}

.tracks__name {
    font-size: clamp(22px, 2.6vw, 36px);
    font-weight: 900;
    text-transform: uppercase;
    line-height: .95;
    letter-spacing: -.02em;
    word-break: break-word;
}

.tracks__artist {
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-top: 12px;
    opacity: .9;
}

.tracks__meta {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.tracks__link {
    color: inherit;
    text-decoration: none;
    border-bottom: 2px solid currentColor;
    padding-bottom: 1px;
}

.tracks__link:hover {
    background: var(--ink);
    color: var(--paper);
}

.tracks__item:nth-child(1) .tracks__link:hover {
    background: var(--paper);
    color: var(--accent);
}

.tracks__placeholder,
.grid__placeholder {
    grid-column: 1 / -1;
    padding: 40px;
    font-family: var(--font-mono);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: .12em;
    border: var(--rule-thick) solid var(--ink);
    background: repeating-linear-gradient(
        45deg,
        var(--paper),
        var(--paper) 8px,
        var(--ink) 8px,
        var(--ink) 10px
    );
    color: var(--ink);
    text-align: center;
}

.tracks__placeholder span,
.grid__placeholder span {
    background: var(--paper);
    padding: 6px 10px;
}

/* ============================================================
   ARTIST GRID
   ============================================================ */

.grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0;
    border: var(--rule-thick) solid var(--ink);
    background: var(--ink);
}

.card {
    background: var(--paper);
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    padding: 0;
    border-right: var(--rule) solid var(--ink);
    border-bottom: var(--rule) solid var(--ink);
    position: relative;
}

.card__image {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    border-bottom: var(--rule-thick) solid var(--ink);
    filter: grayscale(1) contrast(1.05);
    transition: filter 120ms linear;
    background: var(--ink);
}

.card:hover .card__image {
    filter: grayscale(0) contrast(1);
}

.card__image--missing {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .14em;
    background: var(--ink);
}

.card__head {
    padding: 16px;
    border-bottom: var(--rule) solid var(--ink);
}

.card__rank {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    padding: 2px 6px;
    background: var(--ink);
    color: var(--paper);
    margin-bottom: 8px;
}

.card__name {
    font-size: clamp(20px, 1.8vw, 26px);
    font-weight: 900;
    text-transform: uppercase;
    line-height: .95;
    letter-spacing: -.02em;
    word-break: break-word;
}

.card__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: var(--rule) solid var(--ink);
}

.card__stat {
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.card__stat + .card__stat {
    border-left: var(--rule) solid var(--ink);
}

.card__stat-value {
    display: block;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -.01em;
    margin-top: 2px;
}

.card__genres {
    padding: 12px 16px;
    border-bottom: var(--rule) solid var(--ink);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 0;
}

.card__genre {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 3px 6px;
    border: var(--rule) solid var(--ink);
}

.card__genre--accent {
    background: var(--accent);
    color: var(--paper);
    border-color: var(--accent);
}

.card__genres-empty {
    font-family: var(--font-mono);
    font-size: 11px;
    opacity: .55;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.card__top {
    padding: 14px 16px;
    background: var(--ink);
    color: var(--paper);
}

.card__top-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .14em;
    margin-bottom: 8px;
    color: var(--accent);
}

.card__top-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card__top-item {
    display: grid;
    grid-template-columns: 18px 1fr max-content;
    align-items: baseline;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.25;
}

.card__top-rank {
    color: var(--accent);
    font-weight: 700;
}

.card__top-name {
    color: var(--paper);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: .02em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card__top-name:hover {
    background: var(--accent);
}

.card__top-pop {
    color: var(--paper);
    opacity: .55;
    font-size: 10px;
}

.card__top-loading,
.card__top-empty {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .1em;
    opacity: .7;
}

/* error state ------------------------------------------------- */

.error {
    grid-column: 1 / -1;
    padding: 24px;
    background: var(--accent);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .08em;
    border: var(--rule-thick) solid var(--ink);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    margin-top: auto;
    padding: 16px var(--gutter);
    border-top: var(--rule-thick) solid var(--ink);
    background: var(--ink);
    color: var(--paper);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.footer code {
    background: var(--paper);
    color: var(--ink);
}

.footer__sep {
    opacity: .5;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 880px) {
    .masthead__row {
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 8px 16px;
    }
    .masthead__headline {
        overflow-wrap: anywhere;
    }
    .tracks {
        grid-template-columns: 1fr;
    }
    .tracks__item {
        border-right: none;
        border-bottom: var(--rule) solid var(--ink);
    }
    .tracks__item:last-child {
        border-bottom: none;
    }
    .search {
        grid-template-columns: 1fr;
    }
    .search__label {
        border-right: none;
        border-bottom: var(--rule) solid var(--paper);
    }
    .search__submit {
        border-left: none;
        border-top: var(--rule) solid var(--paper);
    }
    .block__header {
        grid-template-columns: 48px 1fr;
    }
    .block__sub {
        grid-column: 1 / -1;
    }
}

@media (max-width: 520px) {
    .masthead__headline {
        font-size: clamp(36px, 12vw, 52px);
    }
    .masthead__meta {
        display: flex;
        flex-wrap: wrap;
    }
}