* {
    box-sizing: border-box;
}

:root {
    --page: #ffffff;
    --surface: #ffffff;
    --text: #161616;
    --muted: #656565;
    --line: #e5e5e5;
    --accent: #c87522;
    --accent-dark: #a65b14;
    --soft: #fafafa;
    --container: 1180px;
}

[data-theme="dark"] {
    --page: #151515;
    --surface: #1c1c1c;
    --text: #f4f4f4;
    --muted: #b5b5b5;
    --line: #373737;
    --accent: #e3a05e;
    --accent-dark: #f0b676;
    --soft: #242424;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--page);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 1.65;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.container {
    width: min(var(--container), calc(100% - 48px));
    margin: 0 auto;
}

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

.header-inner {
    display: flex;
    align-items: center;
    min-height: 68px;
    gap: 42px;
}

.logo {
    flex: 0 0 auto;
    color: var(--text);
    font-size: 1.34rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    text-decoration: none;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.desktop-nav a,
.mobile-nav a {
    position: relative;
    color: var(--text);
    font-size: 0.88rem;
    text-decoration: none;
    white-space: nowrap;
}

.desktop-nav a::after {
    position: absolute;
    right: 0;
    bottom: -22px;
    left: 0;
    height: 2px;
    background: var(--accent);
    content: "";
    opacity: 0;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.desktop-nav a.active,
.mobile-nav a:hover,
.mobile-nav a:focus-visible {
    color: var(--accent-dark);
}

.desktop-nav a.active::after,
.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
    opacity: 1;
}

.header-search {
    display: flex;
    align-items: center;
    width: 205px;
    height: 34px;
    margin-left: auto;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--surface);
}

.header-search:focus-within {
    border-color: var(--accent);
    outline: 2px solid color-mix(in srgb, var(--accent) 22%, transparent);
    outline-offset: 1px;
}

.header-search > span {
    padding-left: 10px;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1;
}

.header-search input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    padding: 6px 9px;
    font-size: 0.82rem;
}

.mobile-menu-button {
    display: none;
    border: 0;
    background: transparent;
    color: var(--text);
    padding: 8px;
    font-size: 1.25rem;
}

.mobile-menu-button:hover,
.mobile-menu-button:focus-visible {
    color: var(--accent);
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.mobile-nav {
    display: none;
    padding-bottom: 14px;
}

.mobile-nav[hidden] {
    display: none;
}

.mobile-nav a {
    display: block;
    padding: 6px 0;
}

.alphabet-section {
    border-bottom: 1px solid var(--line);
}

.alphabet-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 46px;
    overflow-x: auto;
    scrollbar-width: none;
}

.alphabet-nav::-webkit-scrollbar {
    display: none;
}

.alphabet-nav a {
    flex: 0 0 auto;
    color: var(--text);
    font-size: 0.77rem;
    text-decoration: none;
}

.alphabet-nav a:hover,
.alphabet-nav a:focus-visible {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.home-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 56px;
    align-items: start;
    padding-top: 42px;
    padding-bottom: 56px;
}

.primary-column,
.sidebar,
.detail-primary,
.detail-sidebar {
    min-width: 0;
}

.intro-block {
    max-width: 670px;
    margin-bottom: 52px;
}

.intro-block h1 {
    margin: 0 0 12px;
    font-size: clamp(1.55rem, 2.4vw, 2rem);
    letter-spacing: -0.035em;
    line-height: 1.2;
}

.intro-block p {
    max-width: 620px;
    margin: 0;
    color: var(--muted);
    font-size: 0.98rem;
}

.content-block + .content-block {
    margin-top: 44px;
    padding-top: 30px;
    border-top: 1px solid var(--line);
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--accent);
}

.section-heading h2,
.sidebar-block h2 {
    margin: 0;
    padding-bottom: 8px;
    font-size: 1.1rem;
    line-height: 1.2;
}

.result-count {
    color: var(--muted);
    font-size: 0.76rem;
}

.link-list {
    border-top: 1px solid var(--line);
}

.reference-link {
    display: block;
    min-height: 44px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
    color: var(--accent-dark);
    font-size: 0.88rem;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.reference-link:hover,
.reference-link:focus-visible {
    background: var(--soft);
    color: var(--accent-dark);
    outline: 0;
}

.sidebar-list .reference-link {
    min-height: 42px;
    padding: 9px 0;
    color: var(--text);
    font-size: 0.82rem;
    text-decoration: none;
}

.sidebar-list .reference-link:hover,
.sidebar-list .reference-link:focus-visible {
    color: var(--accent-dark);
    text-decoration: underline;
}

.song-row,
.song-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 92px 46px 18px;
    gap: 15px;
    align-items: center;
    min-height: 54px;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    text-decoration: none;
}

.song-row:hover,
.song-row:focus-visible,
.song-card:hover,
.song-card:focus-visible {
    background: var(--soft);
    outline: 0;
}

.song-main {
    min-width: 0;
}

.song-title,
.card-title {
    display: block;
    overflow: hidden;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.song-artist,
.card-artist,
.song-key,
.song-arrow,
.result-count,
.loading-state {
    color: var(--muted);
    font-size: 0.78rem;
}

.song-meta {
    width: fit-content;
    padding: 1px 6px;
    border: 1px solid #d8e4d3;
    border-radius: 3px;
    background: #f1f7ee;
    color: #4e7949;
    font-size: 0.7rem;
}

.song-key {
    text-align: center;
}

.song-arrow {
    color: var(--accent);
    font-size: 1rem;
    text-align: right;
}

.latest-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    min-height: 44px;
    border-bottom: 1px solid var(--line);
}

.latest-row a,
.sidebar-link,
.sidebar-list a {
    color: var(--accent-dark);
    text-decoration: none;
}

.latest-row a:hover,
.latest-row a:focus-visible,
.sidebar-link:hover,
.sidebar-link:focus-visible,
.sidebar-list a:hover,
.sidebar-list a:focus-visible {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.latest-date {
    color: var(--muted);
    font-size: 0.74rem;
    white-space: nowrap;
}

.loading-state {
    margin: 0;
    padding: 18px 0;
}

.catalog-block {
    scroll-margin-top: 20px;
}

.search-results {
    margin-bottom: 10px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--surface);
}

.search-results[hidden] {
    display: none;
}

.search-results a {
    display: block;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    text-decoration: none;
}

.search-results a:last-child {
    border-bottom: 0;
}

.search-results a:hover,
.search-results a:focus-visible {
    background: var(--soft);
    color: var(--accent-dark);
}

.search-empty {
    margin: 0;
    padding: 9px 10px;
    color: var(--muted);
}

.sidebar {
    display: grid;
    gap: 34px;
}

.sidebar-block h2 {
    border-bottom: 2px solid var(--accent);
}

.sidebar-list {
    border-top: 1px solid var(--line);
}

.sidebar-list a,
.sidebar-link {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.82rem;
}

.footer {
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.78rem;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 66px;
}

.footer-inner nav {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
}

.footer-inner a {
    color: var(--text);
    text-decoration: none;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
    color: var(--accent);
}

.mobile-bottom-nav {
    display: none;
}

/* Detail page */
.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 56px;
    align-items: start;
    padding-top: 28px;
    padding-bottom: 56px;
}

.breadcrumb {
    display: flex;
    gap: 9px;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 0.76rem;
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
    text-decoration: underline;
}

.detail-primary h1 {
    margin: 0;
    font-size: clamp(1.55rem, 2.4vw, 2rem);
    letter-spacing: -0.035em;
    line-height: 1.2;
}

.detail-artist {
    margin: 4px 0 2px;
    color: var(--muted);
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 7px 18px;
    margin-bottom: 20px;
    color: var(--muted);
    font-size: 0.76rem;
}

.detail-meta span + span {
    position: relative;
}

.detail-meta span + span::before {
    position: absolute;
    top: 50%;
    left: -11px;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--accent);
    content: "";
    transform: translateY(-50%);
}

.control-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.transpose-box,
.autoscroll-box {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-size: 0.78rem;
}

.transpose-box button,
.btn-scroll,
.scroll-speed button {
    border: 1px solid var(--line);
    border-radius: 3px;
    background: var(--surface);
    color: var(--text);
    padding: 4px 8px;
}

.transpose-box button:hover,
.transpose-box button:focus-visible,
.btn-scroll:hover,
.btn-scroll:focus-visible,
.scroll-speed button:hover,
.scroll-speed button:focus-visible {
    border-color: var(--accent);
    color: var(--accent-dark);
    outline: 0;
}

#keyNow {
    min-width: 30px;
    color: var(--accent-dark);
    font-weight: 700;
    text-align: center;
}

.btn-scroll.scrolling {
    border-color: var(--accent);
    color: var(--accent-dark);
}

.scroll-speed {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lirik-area {
    max-width: 760px;
    padding: 22px 0;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.95rem;
    line-height: 1.45;
}

.baris-lirik {
    margin-bottom: 12px;
}

.chord-lirik {
    display: block;
    min-height: 1.25em;
    color: var(--accent-dark);
    font-size: 0.8rem;
    font-weight: 700;
}

.teks-lirik {
    display: block;
}

.detail-sidebar {
    padding-top: 38px;
}

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

@media (max-width: 800px) {
    .container {
        width: min(100% - 32px, var(--container));
    }

    .header-inner {
        flex-wrap: wrap;
        gap: 0 20px;
        padding: 12px 0;
    }

    .desktop-nav {
        display: none;
    }

    .header-search {
        order: 3;
        width: 100%;
        height: 38px;
        margin: 12px 0 0;
    }

    .mobile-menu-button {
        display: block;
        margin-left: auto;
    }

    .mobile-nav:not([hidden]) {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0 24px;
        border-top: 1px solid var(--line);
    }

    .alphabet-nav {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 3px 17px;
        overflow: hidden;
        padding: 10px 0;
    }

    .home-layout,
    .detail-layout {
        grid-template-columns: 1fr;
        gap: 34px;
        padding-top: 30px;
        padding-bottom: 80px;
    }

    .intro-block {
        margin-bottom: 32px;
    }

    .reference-link {
        min-height: 45px;
        padding: 11px 0;
        font-size: 0.86rem;
    }

    .sidebar {
        display: none;
    }

    .detail-sidebar {
        padding-top: 0;
    }

    .control-bar {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .detail-primary .lirik-area {
        padding-top: 16px;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0 80px;
    }

    .footer-inner nav {
        gap: 12px 18px;
    }

    .mobile-bottom-nav {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 30;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        min-height: 58px;
        border-top: 1px solid var(--line);
        background: color-mix(in srgb, var(--surface) 96%, transparent);
        backdrop-filter: blur(8px);
    }

    .mobile-bottom-nav a {
        display: grid;
        place-items: center;
        border-bottom: 2px solid transparent;
        color: var(--text);
        font-size: 0.68rem;
        text-align: center;
        text-decoration: none;
    }

    .mobile-bottom-nav a.active,
    .mobile-bottom-nav a:hover,
    .mobile-bottom-nav a:focus-visible {
        border-bottom-color: var(--accent);
        color: var(--accent-dark);
        outline: 0;
    }
}

@media (max-width: 520px) {
    .intro-block h1,
    .detail-primary h1 {
        font-size: 1.48rem;
    }

    .intro-block p {
        font-size: 0.9rem;
    }

    .song-row,
    .song-card {
        grid-template-columns: minmax(0, 1fr) 28px 18px;
        gap: 10px;
        min-height: 58px;
    }

    .song-meta {
        display: none;
    }

    .latest-row {
        min-height: 47px;
    }

    .latest-date {
        display: none;
    }

    .footer-inner nav {
        gap: 10px 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}