* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  background-image:
    linear-gradient(90deg, var(--base), transparent 85%), var(--desktop);
  background-size: cover;
  background-attachment: fixed;
}
button,
input,
textarea,
select {
  font: inherit;
}
button,
a,
input,
textarea,
select {
  touch-action: manipulation;
}
a {
  color: var(--accent);
}
#app {
  max-width: 1440px;
  margin: auto;
  padding: 32px 48px 80px;
}
h1 {
  font-size: clamp(48px, 6vw, 88px);
  margin: 18px 0 24px;
  max-width: 1000px;
}
h2 {
  font-size: 25px;
  margin: 0 0 18px;
}
h3 {
  font-size: 17px;
}
p {
  line-height: 1.6;
}
small,
.muted {
  color: var(--muted);
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.topbar,
.row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.topbar {
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.brand {
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 700;
}
.hero {
  padding: 36px 0 22px;
  position: relative;
}
.hero p {
  max-width: 620px;
}
.decor {
  position: absolute;
  right: 0;
  top: -45px;
  width: 180px;
  pointer-events: none;
  z-index: -1;
}
.grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  align-items: start;
}
.stack {
  display: grid;
  gap: 24px;
}
.theme-panel {
  box-shadow: 0 20px 60px #0002;
  min-width: 0;
}
.section-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 12px;
}
.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
}
.theme-input {
  min-width: 0;
}
textarea {
  resize: vertical;
  line-height: 1.65;
}
.theme-button {
  font-size: 13px;
}
.quiet {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0;
  font-size: 13px;
  line-height: 1.5;
}
.check input {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.word-row {
  display: grid;
  grid-template-columns: minmax(100px, 1fr) auto;
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.word-row .row {
  gap: 6px;
}
.word-row button {
  padding: 9px;
  min-height: 42px;
}
.word-row input {
  padding: 10px;
}
.badge {
  font-size: 11px;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 20px;
}
.metric {
  font-size: 34px;
  font-weight: 600;
  color: var(--accent);
}
.steps {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 28px;
}
.steps a {
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 24px;
  font-size: 12px;
  background: var(--panel);
}
audio,
video {
  width: 100%;
  margin: 16px 0;
}
video {
  max-height: 420px;
  background: #000;
  border-radius: 12px;
}
.timing-row {
  display: grid;
  grid-template-columns: 1fr 90px 90px;
  gap: 8px;
  margin: 12px 0;
}
.timing-row .line-text {
  grid-column: 1/-1;
}
.timing-row button {
  font-size: 11px;
  padding: 8px;
}
.timing-row input {
  padding: 8px;
}
.karaoke-preview {
  text-align: center;
  min-height: 60px;
  padding: 16px;
  color: var(--accent);
  font-size: 24px;
}
.event-card {
  display: block;
  text-decoration: none;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  color: var(--ink);
}
.event-card h3 {
  font-size: 25px;
  margin-top: 0;
}
.login {
  max-width: 470px;
  margin: 10vh auto;
}
.login h1 {
  font-size: 68px;
}
.guest {
  max-width: 550px !important;
  padding-top: 30px !important;
}
.guest h1 {
  font-size: 64px;
}
.guest .hero {
  padding-top: 44px;
}
.guest .decor {
  width: 130px;
  right: 0;
}
.guest .theme-panel {
  padding: 24px;
}
.guest-submit {
  width: 100%;
}
.history-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.screen {
  max-width: none !important;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 30px 5vw !important;
}
.screen .hero {
  text-align: center;
  padding: 0;
}
.screen h1 {
  margin: 22px auto 10px;
  font-size: clamp(48px, 6vw, 100px);
}
.screen .hero p {
  margin: auto;
}
.screen-layout {
  display: grid;
  grid-template-columns: 1fr 210px;
  gap: 32px;
  flex: 1;
  min-height: 0;
  align-items: center;
}
.cloud {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.cloud span {
  color: var(--ink);
  text-shadow: 0 2px 14px var(--base);
  font-family: var(--heading);
  font-size: clamp(28px, 4vw, 70px);
}
.cloud span:nth-child(3n) {
  color: var(--accent);
}
.qr {
  width: 100%;
  background: white;
  padding: 12px;
  border-radius: 14px;
}
.screen aside {
  text-align: center;
}
.screen video {
  max-height: 65vh;
  margin: 0;
}
.screen .video-wrap {
  width: 100%;
  grid-column: 1/-1;
  text-align: center;
}
#notice:empty {
  display: none;
}
#notice {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  width: min(680px, 92vw);
  padding: 16px 20px;
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 12px;
  box-shadow: 0 10px 40px #0008;
  font-size: 14px;
}
.warning {
  border-left: 3px solid var(--accent);
  padding: 10px 16px;
  background: var(--base);
  font-size: 13px;
  line-height: 1.6;
}
.empty {
  padding: 24px 0;
  color: var(--muted);
}
.connection {
  font-size: 12px;
  color: var(--muted);
}
.footer {
  padding-top: 32px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
@media (max-width: 800px) {
  #app {
    padding: 24px 20px 70px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .screen-layout {
    grid-template-columns: 1fr 130px;
    gap: 12px;
  }
  .cloud {
    gap: 12px;
    padding: 12px;
  }
  .screen aside {
    font-size: 12px;
  }
  .word-row {
    grid-template-columns: 1fr;
  }
  .decor {
    width: 120px;
  }
  .topbar .brand {
    font-size: 10px;
  }
  .screen {
    min-height: 100vh;
    height: auto;
  }
  .timing-row {
    grid-template-columns: 1fr 85px 85px;
  }
}
@media (max-width: 500px) {
  body {
    background-image:
      linear-gradient(0deg, var(--base), transparent), var(--mobile);
  }
  .theme-panel {
    padding: 20px;
  }
  .guest h1 {
    font-size: 54px;
  }
  .screen-layout {
    display: flex;
    flex-direction: column;
  }
  .screen aside {
    max-width: 150px;
  }
  .screen h1 {
    font-size: 44px;
  }
  .screen .topbar button {
    font-size: 11px;
    padding: 10px;
  }
  .row > * {
    max-width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation: none !important;
  }
}
.hero {
  isolation: isolate;
}
.hero .decor {
  z-index: -1;
}
pre {
  overflow-wrap: anywhere;
}
.theme-panel > div > h3 {
  color: var(--accent);
}