:root {
  --ink: #d8e0dc;
  --ink-soft: #84948e;
  --paper: #0c0f0e;
  --panel: #131816;
  --accent: #3ecf8e;
  --accent-soft: #56dfa3;
  --line: rgba(62, 207, 142, 0.16);
  --font-display: "IBM Plex Mono", "Noto Sans SC", monospace;
  --font-body: "Noto Sans SC", "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", "Noto Sans SC", monospace;
  --radius: 6px;
  --max: 980px;
  --page-pad: 1rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

::selection {
  background: rgba(62, 207, 142, 0.28);
  color: #fff;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(720px 400px at 85% -8%, rgba(62, 207, 142, 0.08), transparent 55%),
    linear-gradient(rgba(62, 207, 142, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62, 207, 142, 0.03) 1px, transparent 1px),
    linear-gradient(180deg, #101412 0%, var(--paper) 40%, #090b0a 100%);
  background-size: auto, 28px 28px, 28px 28px, auto;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(12, 15, 14, 0.88);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem var(--page-pad);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.brand span {
  color: var(--ink);
}

.nav-links {
  display: flex;
  gap: 0.1rem;
  flex-wrap: wrap;
  width: 100%;
}

.nav-links a {
  padding: 0.32rem 0.55rem;
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  border-color: var(--line);
  background: rgba(62, 207, 142, 0.06);
}

.nav-links a.admin-link {
  color: var(--accent);
}

.nav-links a.admin-link:hover,
.nav-links a.admin-link.active {
  color: var(--accent);
  border-color: rgba(62, 207, 142, 0.3);
  background: rgba(62, 207, 142, 0.06);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--page-pad) 3rem;
}

.hero {
  min-height: auto;
  display: grid;
  align-content: center;
  gap: 0.85rem;
  padding: 2rem 0 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
  color: var(--ink);
  animation: riseIn 0.55s ease both;
}

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

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.15rem;
  animation: riseIn 0.55s ease 0.08s both;
}

.hero-entry {
  gap: 1.15rem;
  padding: 2.4rem 0 2rem;
  min-height: auto;
}

.about {
  display: grid;
  gap: 1rem;
  margin: 0.25rem 0 1.5rem;
  padding: 0.5rem 0 1.25rem;
  border-top: 1px solid var(--line);
  animation: riseIn 0.55s ease 0.14s both;
}

.about-head {
  display: grid;
  gap: 0.45rem;
}

.about-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.about-name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.about-roles {
  margin: 0;
  max-width: 42ch;
  color: var(--ink);
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 500;
  line-height: 1.55;
}

.about-bio {
  display: grid;
  gap: 0.4rem;
  max-width: 48ch;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(62, 207, 142, 0.4);
}

.about-bio p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.7;
}

.about-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding-top: 0.25rem;
}

.about-contact-label {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 500;
}

.wechat-copy {
  appearance: none;
  border: 1px solid rgba(216, 224, 220, 0.16);
  background: rgba(216, 224, 220, 0.04);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  line-height: 1.3;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.wechat-copy:hover {
  background: rgba(62, 207, 142, 0.08);
  border-color: rgba(62, 207, 142, 0.4);
  color: var(--accent);
  transform: translateY(-1px);
}

.wechat-copy:active {
  transform: translateY(0);
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius);
  font-weight: 650;
  letter-spacing: 0.01em;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--accent);
  color: #06110a;
}

.btn-primary:hover {
  background: var(--accent-soft);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(216, 224, 220, 0.22);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: rgba(62, 207, 142, 0.45);
  color: var(--accent);
  background: rgba(62, 207, 142, 0.06);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: rgba(62, 207, 142, 0.35);
}

.btn-danger {
  background: rgba(216, 224, 220, 0.06);
  color: var(--ink-soft);
}

.btn-sm {
  padding: 0.4rem 0.7rem;
  font-size: 0.84rem;
}

.section {
  padding: 1.75rem 0 0.75rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 0.75rem;
  margin-bottom: 0.95rem;
  flex-wrap: wrap;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--accent);
}

.section-head p {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.queue-list,
.message-list,
.admin-list {
  display: grid;
  gap: 0.45rem;
}

.song-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
}

.song-list .empty {
  grid-column: 1 / -1;
}

.song-tile {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
  text-align: left;
  padding: 0.4rem 0.4rem;
  min-height: 2.8rem;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.08rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.12s ease;
}

.song-tile:active {
  transform: scale(0.98);
  background: rgba(62, 207, 142, 0.08);
  border-color: rgba(62, 207, 142, 0.4);
}

.song-tile.is-picking {
  opacity: 0.65;
}

.song-tile-title {
  font-weight: 600;
  font-size: 0.8rem;
  line-height: 1.2;
}

.song-tile-artist {
  color: #68736e;
  font-size: 0.66rem;
  line-height: 1.15;
}

.text-scroll {
  display: block;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
}

.text-scroll.is-marquee .marquee-track {
  display: inline-flex;
  width: max-content;
  animation: ledMarquee var(--marquee-duration, 10s) linear infinite;
}

.text-scroll.is-marquee .marquee-item {
  padding-right: 2.5rem;
}

@keyframes ledMarquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.queue-item,
.message-item,
.admin-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.queue-item:hover {
  border-color: rgba(62, 207, 142, 0.35);
  transform: translateX(2px);
}

.queue-swipe {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
}

.queue-swipe.is-playing {
  border-color: rgba(62, 207, 142, 0.4);
}

.queue-swipe-actions {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 72px;
  display: flex;
  z-index: 0;
}

.queue-swipe-delete {
  appearance: none;
  width: 100%;
  height: 100%;
  margin: 0;
  border: none;
  border-radius: 0;
  background: #b54b4b;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.queue-swipe-delete:active {
  background: #9e3f3f;
}

.queue-swipe-front.queue-item {
  position: relative;
  z-index: 1;
  touch-action: pan-y;
  will-change: transform;
  border: none;
  border-radius: 0;
  background: var(--panel);
}

.queue-swipe-front.queue-item.is-playing {
  background: #152019;
  scroll-margin-top: 11rem;
}

.queue-swipe-front.queue-item.is-done {
  opacity: 1;
  background: var(--panel);
}

.queue-swipe-front.queue-item.is-done .queue-index,
.queue-swipe-front.queue-item.is-done .queue-item-body,
.queue-swipe-front.queue-item.is-done .badge {
  opacity: 0.5;
}

.queue-swipe .queue-item:hover {
  transform: none;
  border-color: transparent;
}

.queue-index {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: rgba(62, 207, 142, 0.08);
  border: 1px solid rgba(62, 207, 142, 0.28);
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
}

.queue-item-body {
  min-width: 0;
}

.item-title {
  font-weight: 600;
}

.item-artist {
  color: #68736e;
  font-size: 0.78rem;
  line-height: 1.25;
  margin-top: 0.1rem;
}

.item-meta {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.badge {
  display: inline-flex;
  padding: 0.16rem 0.45rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(216, 224, 220, 0.06);
  border: 1px solid rgba(216, 224, 220, 0.12);
  color: var(--ink-soft);
}

.badge.playing {
  background: rgba(62, 207, 142, 0.1);
  border-color: rgba(62, 207, 142, 0.35);
  color: var(--accent);
  animation: pulseSoft 1.6s ease-in-out infinite;
}

.page-intro {
  padding: 1.5rem 0 1rem;
}

.page-intro h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 5.5vw, 2.2rem);
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--accent);
}

.page-intro p {
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
  max-width: 42ch;
  font-size: 0.92rem;
}

.panel {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(19, 24, 22, 0.92);
}

.panel + .panel {
  margin-top: 0.9rem;
}

.panel h2 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--accent);
}

.panel .hint {
  margin: 0 0 0.8rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.form-grid {
  display: grid;
  gap: 0.85rem;
}

.form-row {
  display: grid;
  gap: 0.35rem;
}

.form-row label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0a0d0c;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-row input::placeholder,
.form-row textarea::placeholder,
.search-bar input::placeholder {
  color: rgba(132, 148, 142, 0.7);
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  border-color: rgba(62, 207, 142, 0.5);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.search-bar {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.song-sort {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.song-sort button {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.82rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.song-sort button:hover {
  color: var(--accent);
  border-color: rgba(62, 207, 142, 0.35);
}

.song-sort button.active {
  background: rgba(62, 207, 142, 0.12);
  color: var(--accent);
  border-color: rgba(62, 207, 142, 0.4);
  font-weight: 700;
}

.song-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.song-pager[hidden] {
  display: none;
}

.song-page-info {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-soft);
  min-width: 4.5rem;
  text-align: center;
}

.song-pager .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.search-bar input {
  flex: 1;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0a0d0c;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}

.search-bar input:focus {
  border-color: rgba(62, 207, 142, 0.5);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(120%);
  background: #0a0d0c;
  color: var(--accent);
  border: 1px solid rgba(62, 207, 142, 0.4);
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  z-index: 50;
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  max-width: min(92vw, 420px);
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.86rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: rgba(6, 8, 7, 0.72);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.confirm-overlay.is-open {
  opacity: 1;
}

.confirm-overlay.is-closing {
  opacity: 0;
}

.confirm-dialog {
  width: min(100%, 22rem);
  padding: 1.25rem 1.2rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #101412;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  transform: scale(0.84);
  opacity: 0;
  transition:
    transform 0.24s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.2s ease;
}

.confirm-overlay.is-open .confirm-dialog {
  transform: scale(1);
  opacity: 1;
}

.confirm-overlay.is-closing .confirm-dialog {
  transform: scale(0.88);
  opacity: 0;
}

.confirm-title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.confirm-message {
  margin: 0 0 1.15rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--ink-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(19, 24, 22, 0.5);
  font-size: 0.9rem;
}

.amount-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.amount-presets button {
  min-width: 4.5rem;
}

.tabs {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tabs-break {
  flex-basis: 100%;
  width: 0;
  height: 0;
  margin: 0;
  overflow: hidden;
}

.tabs button {
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.84rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.tabs button:hover {
  color: var(--accent);
  border-color: rgba(62, 207, 142, 0.35);
}

.tabs button.active {
  background: rgba(62, 207, 142, 0.12);
  color: var(--accent);
  border-color: rgba(62, 207, 142, 0.4);
  font-weight: 700;
}

.admin-layout {
  display: grid;
  gap: 1.25rem;
}

.admin-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
}

.login-box {
  max-width: 420px;
  margin: 1.5rem auto;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.2rem var(--page-pad) 2.2rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
}

.site-footer a:hover {
  color: var(--accent-soft);
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ping {
  0% {
    box-shadow: 0 0 0 0 rgba(62, 207, 142, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(62, 207, 142, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(62, 207, 142, 0);
  }
}

@keyframes pulseSoft {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

.queue-page-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  align-items: start;
  padding-top: 0.25rem;
}

.queue-page-main .page-intro {
  padding-top: 0.25rem;
}

.now-playing {
  position: sticky;
  top: 6.25rem;
  z-index: 15;
  order: -1;
  padding: 0.95rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(62, 207, 142, 0.35);
  background: rgba(14, 18, 16, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  animation: riseIn 0.4s ease both;
}

.now-playing-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.now-playing-label::before {
  content: "";
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--accent);
  animation: ping 1.8s ease-out infinite;
}

.now-playing .item-title {
  font-size: 1.05rem;
  line-height: 1.3;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.queue-item.is-playing {
  border-color: rgba(62, 207, 142, 0.4);
  background: rgba(62, 207, 142, 0.06);
  scroll-margin-top: 11rem;
}

.queue-item.is-done {
  opacity: 0.5;
}

.queue-cancel {
  appearance: none;
  margin-top: 0.35rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid rgba(216, 224, 220, 0.22);
  border-radius: 4px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.queue-cancel:hover,
.queue-cancel:focus-visible {
  background: rgba(216, 224, 220, 0.06);
  border-color: rgba(216, 224, 220, 0.35);
  color: var(--ink);
}

.queue-cancel:active {
  background: rgba(216, 224, 220, 0.1);
}

button.badge.status-cycle {
  appearance: none;
  margin: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button.badge.status-cycle:hover,
button.badge.status-cycle:focus-visible {
  filter: brightness(1.12);
}

.song-list.is-sorting {
  user-select: none;
}

.song-list.is-sorting .admin-song-tile {
  will-change: transform;
}

.song-drop-indicator {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  display: none;
  pointer-events: none;
  box-sizing: border-box;
  border: 1.5px solid rgba(62, 207, 142, 0.75);
  border-radius: var(--radius);
  background: rgba(62, 207, 142, 0.1);
}

.song-tile.admin-song-tile {
  position: relative;
  /* 比媒体查询里的 .song-tile padding 更高优先级，给左侧拖拽柄 / 右侧删除留空 */
  padding: 0.45rem 1.55rem;
  gap: 0.2rem;
  cursor: default;
  min-width: 0;
}

.song-tile.admin-song-tile:active {
  transform: none;
  background: var(--panel);
  border-color: var(--line);
}

.admin-song-tile.is-dragging {
  background: rgba(62, 207, 142, 0.06);
  border-style: dashed;
  border-color: rgba(62, 207, 142, 0.45);
}

.admin-song-tile.is-dragging .song-field,
.admin-song-tile.is-dragging .song-tile-remove,
.admin-song-tile.is-dragging .song-drag-handle {
  pointer-events: none;
}

.admin-song-tile.is-drop-target {
  border-color: rgba(62, 207, 142, 0.55);
  background: rgba(62, 207, 142, 0.08);
}

.song-drag-ghost {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  margin: 0;
  pointer-events: none;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  opacity: 0.96;
  cursor: grabbing;
}

.song-drag-handle {
  appearance: none;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1.35rem;
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: -0.08em;
  line-height: 1;
  cursor: grab;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  z-index: 2;
}

.song-drag-handle:active {
  cursor: grabbing;
  color: var(--accent);
}

.song-field {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--ink);
  padding: 0.05rem 0;
  outline: none;
  border-radius: 2px;
}

.song-field:focus {
  background: rgba(62, 207, 142, 0.08);
  box-shadow: inset 0 0 0 1px rgba(62, 207, 142, 0.28);
}

.song-field-title {
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.25;
}

.song-field-artist {
  color: #68736e;
  font-size: 0.72rem;
  line-height: 1.2;
}

.song-tile-remove {
  appearance: none;
  position: absolute;
  top: 0.2rem;
  right: 0.25rem;
  width: 1.35rem;
  height: 1.35rem;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.song-tile-remove:hover,
.song-tile-remove:focus-visible {
  background: rgba(216, 224, 220, 0.08);
  color: var(--ink);
}

.badge.done {
  background: rgba(132, 148, 142, 0.1);
  border-color: rgba(132, 148, 142, 0.25);
  color: var(--ink-soft);
}

.queue-item {
  grid-template-columns: auto 1fr auto;
}

.admin-item {
  grid-template-columns: 1fr;
}

.admin-item .admin-actions {
  grid-column: 1 / -1;
}

@media (min-width: 720px) {
  :root {
    --page-pad: 1.4rem;
  }

  .nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0.95rem var(--page-pad);
  }

  .brand {
    font-size: 1.05rem;
  }

  .hero-entry {
    gap: 1.35rem;
    padding: 3.2rem 0 2.2rem;
  }

  .about {
    gap: 1.15rem;
    padding: 1.35rem 0 1.75rem;
    margin-bottom: 2rem;
  }

  .about-bio {
    max-width: 52ch;
  }

  .nav-links {
    width: auto;
    gap: 0.15rem;
  }

  .nav-links a {
    padding: 0.38rem 0.7rem;
    font-size: 0.88rem;
  }

  .hero {
    min-height: auto;
  }

  .btn {
    padding: 0.8rem 1.25rem;
  }

  .section {
    padding: 2.4rem 0 1rem;
  }

  .page-intro {
    padding: 2.4rem 0 1.2rem;
  }

  .panel {
    padding: 1.15rem;
  }

  .panel h2 {
    font-size: 1.1rem;
  }

  .song-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .song-tile {
    min-height: 3.4rem;
    padding: 0.55rem 0.65rem;
  }

  .song-tile-title {
    font-size: 0.88rem;
  }

  .song-tile-artist {
    font-size: 0.72rem;
  }

  .song-tile:hover {
    border-color: rgba(62, 207, 142, 0.4);
    background: rgba(62, 207, 142, 0.05);
  }

  .admin-item {
    grid-template-columns: 1fr auto;
  }

  .admin-item .admin-actions {
    grid-column: auto;
  }

  .queue-page-layout {
    gap: 1.2rem;
    padding-top: 0.5rem;
  }

  .queue-page-layout:has(#now-playing:not([hidden])) {
    grid-template-columns: minmax(220px, 280px) 1fr;
  }

  .now-playing {
    top: 6.15rem;
    order: 0;
    padding: 1.1rem 1.15rem;
  }

  .now-playing .item-title {
    font-size: 1.15rem;
  }

  .queue-item.is-playing {
    scroll-margin-top: 6rem;
  }
}

@media (min-width: 960px) {
  .song-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}