:root {
  color-scheme: dark;
  --bg-start: #07111f;
  --bg-end: #13243a;
  --ambient-glow: rgba(56, 189, 248, 0.24);
  --ambient-glow-secondary: rgba(250, 204, 21, 0.12);
  --panel: rgba(11, 18, 34, 0.76);
  --panel-border: rgba(167, 198, 255, 0.22);
  --text-main: #f8fbff;
  --text-soft: #b4c2e1;
  --bar-track: rgba(255, 255, 255, 0.08);
  --bar-fill-start: #22c55e;
  --bar-fill-mid: #f59e0b;
  --bar-fill-end: #ef4444;
  --glow: rgba(96, 165, 250, 0.42);
  --card-shadow: 0 24px 60px rgba(3, 9, 20, 0.34);
  --surface-highlight: rgba(255, 255, 255, 0.06);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 20px;
  --transition-soft: 220ms ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top, var(--ambient-glow), transparent 30%),
    radial-gradient(circle at 20% 20%, var(--ambient-glow-secondary), transparent 26%),
    radial-gradient(circle at 80% 18%, rgba(167, 139, 250, 0.09), transparent 22%),
    linear-gradient(160deg, var(--bg-start), var(--bg-end));
  color: var(--text-main);
  transition: background-color 360ms ease, background 360ms ease, color 360ms ease, transform 260ms ease;
  overflow-x: hidden;
}

body.quiet {
  --bg-start: #0b2618;
  --bg-end: #12412a;
  --ambient-glow: rgba(34, 197, 94, 0.3);
  --ambient-glow-secondary: rgba(134, 239, 172, 0.16);
}

body.warning {
  --bg-start: #4a2908;
  --bg-end: #7a4709;
  --ambient-glow: rgba(245, 158, 11, 0.32);
  --ambient-glow-secondary: rgba(251, 191, 36, 0.16);
}

body.loud {
  --bg-start: #4a1014;
  --bg-end: #7e171e;
  --ambient-glow: rgba(239, 68, 68, 0.34);
  --ambient-glow-secondary: rgba(252, 165, 165, 0.14);
}

.view-mode-button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-main);
  background: rgba(7, 12, 22, 0.72);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 24px rgba(5, 10, 19, 0.22);
  transition: transform var(--transition-soft), background var(--transition-soft), border-color var(--transition-soft), box-shadow var(--transition-soft);
}

.view-mode-button:hover {
  transform: translateY(-1px) scale(1.01);
  background: rgba(18, 27, 44, 0.82);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 14px 28px rgba(5, 10, 19, 0.28);
}

.top-controls {
  position: fixed;
  top: 20px;
  left: 20px;
  right: 20px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(7, 12, 22, 0.72);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 24px rgba(5, 10, 19, 0.2);
  transition: transform var(--transition-soft), border-color var(--transition-soft), background var(--transition-soft), box-shadow var(--transition-soft);
}

.language-switcher:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(16, 24, 40, 0.78);
  box-shadow: 0 14px 28px rgba(5, 10, 19, 0.24);
}

.language-label {
  font-size: 0.9rem;
  color: var(--text-soft);
}

.language-select {
  border: 0;
  background: transparent;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
}

.language-select:focus {
  outline: none;
}

.app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 76px 18px 14px;
  gap: 14px;
}

.hero {
  position: relative;
  text-align: center;
  width: min(980px, 100%);
  animation: fade-up 700ms ease both;
  flex: 0 1 auto;
}

.chicken-mascot {
  position: absolute;
  top: -10px;
  right: max(0px, calc(50% - 420px));
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 248, 232, 0.12);
  border: 1px solid rgba(255, 248, 232, 0.18);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  pointer-events: none;
  transition: transform var(--transition-soft), background var(--transition-soft), border-color var(--transition-soft), box-shadow var(--transition-soft);
}

.chicken-emoji {
  font-size: 2.6rem;
  line-height: 1;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.18));
}

.chicken-mascot.is-loud {
  animation: chicken-bounce 900ms ease;
}

.chicken-mascot.is-critical {
  animation: chicken-critical 1.4s ease;
}

.hero-kicker {
  margin: 0 0 6px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: #fde68a;
  opacity: 0.9;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.2rem, 4.8vw, 4.3rem);
  line-height: 0.94;
  letter-spacing: 0.04em;
  color: #fff8e8;
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
}

.hero-subtitle {
  margin: 8px auto 0;
  max-width: 28ch;
  font-size: clamp(0.88rem, 1.35vw, 1.08rem);
  line-height: 1.28;
  color: rgba(255, 248, 232, 0.84);
}

.hero-explainer {
  width: min(620px, 100%);
  margin: 20px auto 0;
  padding: 18px 20px;
  text-align: left;
  border: 1px solid rgba(255, 248, 232, 0.1);
  border-radius: 22px;
  background: rgba(8, 16, 30, 0.28);
  backdrop-filter: blur(10px);
  box-shadow: 0 14px 32px rgba(4, 10, 20, 0.14);
}

.hero-explainer-title {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: rgba(255, 248, 232, 0.94);
}

.hero-explainer-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: rgba(248, 251, 255, 0.72);
}

.hero-explainer-list {
  margin: 12px 0 0;
  padding-left: 1.2rem;
  color: rgba(248, 251, 255, 0.78);
}

.hero-explainer-list li {
  margin-top: 6px;
  line-height: 1.45;
}

.state-panel {
  text-align: center;
  animation: fade-up 860ms ease both;
  transition: transform var(--transition-soft), color var(--transition-soft);
  flex: 0 1 auto;
}

.state-panel.critical .state-message {
  animation: critical-pulse-shake 1.5s ease;
  color: #ffe4e6;
  text-shadow: 0 0 38px rgba(248, 113, 113, 0.55);
}

.state-panel.critical .progress-message {
  color: #ffe4e6;
}

.state-label {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.72);
}

.state-message {
  margin: 0;
  font-size: clamp(1.8rem, 3.8vw, 3.2rem);
  line-height: 0.98;
  text-shadow: 0 0 24px rgba(0, 0, 0, 0.28);
  transition: transform 260ms ease, text-shadow 260ms ease, color 260ms ease, opacity 220ms ease;
}

.progress-message {
  min-height: 1.5em;
  margin: 6px 0 0;
  font-size: clamp(0.88rem, 1.2vw, 1rem);
  color: rgba(255, 255, 255, 0.82);
  transition: opacity 180ms ease, color 180ms ease;
}

body.quiet .state-message {
  color: #86efac;
}

body.warning .state-message {
  color: #fcd34d;
}

body.loud .state-message {
  color: #fda4af;
  transform: scale(1.04);
  text-shadow:
    0 0 30px rgba(248, 113, 113, 0.28),
    0 0 48px rgba(239, 68, 68, 0.16);
}

body.loud .progress-message {
  color: #fecaca;
}

.meter-card {
  width: min(720px, 100%);
  padding: 24px 24px 20px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    var(--panel);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(14px);
  animation: fade-up 1020ms ease both;
  transition: transform var(--transition-soft), box-shadow var(--transition-soft), border-color var(--transition-soft);
  flex: 0 1 auto;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  color: #7dd3fc;
}

h1,
h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.description {
  margin: 8px 0 14px;
  max-width: 56ch;
  color: var(--text-soft);
  line-height: 1.38;
}

.start-button {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  color: #05111f;
  background: linear-gradient(135deg, #7dd3fc, #34d399);
  transition: transform var(--transition-soft), box-shadow var(--transition-soft), opacity var(--transition-soft), filter var(--transition-soft);
  box-shadow: 0 14px 34px rgba(52, 211, 153, 0.28);
}

.start-button:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 22px 44px rgba(52, 211, 153, 0.38);
  filter: saturate(1.08);
}

.start-button:disabled {
  cursor: wait;
  opacity: 0.75;
}

.settings-panel {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.setting-item {
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform var(--transition-soft), border-color var(--transition-soft), background var(--transition-soft), box-shadow var(--transition-soft);
}

.setting-item:hover {
  transform: translateY(-1px);
  border-color: rgba(125, 211, 252, 0.18);
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 12px 28px rgba(5, 10, 19, 0.16);
}

.setting-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.setting-label {
  color: var(--text-soft);
  font-size: 0.95rem;
}

.setting-value-group {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.setting-value {
  font-size: 1rem;
  color: var(--text-main);
}

.setting-hint {
  font-size: 0.78rem;
  line-height: 1.2;
  color: rgba(248, 251, 255, 0.64);
  white-space: nowrap;
}

.setting-slider {
  width: 100%;
  accent-color: #7dd3fc;
  cursor: pointer;
  transition: filter var(--transition-soft);
}

.setting-slider:hover {
  filter: brightness(1.08);
}

.meter-shell {
  margin-top: 16px;
  height: 118px;
  display: flex;
  align-items: flex-end;
  padding: 10px;
  border-radius: calc(var(--radius-xl) + 4px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 0 var(--surface-highlight);
  transition: border-color var(--transition-soft), background var(--transition-soft), box-shadow var(--transition-soft);
}

.meter-bar {
  width: 100%;
  height: 0%;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bar-fill-end) 0%, var(--bar-fill-mid) 40%, var(--bar-fill-start) 100%);
  box-shadow:
    0 0 30px var(--glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  transition: height 120ms ease-out, filter 180ms ease, box-shadow 220ms ease, transform 180ms ease;
  transform-origin: bottom;
}

.level-row {
  margin-top: 12px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.level-label {
  color: var(--text-soft);
  font-size: 1rem;
}

.level-value {
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1;
}

.status {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.seo-footer {
  width: min(980px, 100%);
  text-align: center;
  animation: fade-up 1160ms ease both;
  flex: 0 1 auto;
}

.seo-description {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.3;
  color: rgba(248, 251, 255, 0.54);
}

body.tv-mode .app {
  min-height: 100dvh;
  padding: 14px 18px;
  gap: 18px;
}

body.tv-mode .hero {
  width: min(1280px, 100%);
}

body.tv-mode .hero-title {
  font-size: clamp(3rem, 7.4vw, 5.8rem);
}

body.tv-mode .hero-subtitle {
  font-size: clamp(0.92rem, 1.6vw, 1.3rem);
}

body.tv-mode .hero-explainer {
  display: none;
}

body.tv-mode .state-panel {
  width: min(1200px, 100%);
}

body.tv-mode .state-label,
body.tv-mode .eyebrow,
body.tv-mode h1,
body.tv-mode .description,
body.tv-mode .settings-panel,
body.tv-mode .level-row,
body.tv-mode .status,
body.tv-mode .seo-footer,
body.tv-mode .start-button {
  display: none;
}

body.tv-mode .state-message {
  font-size: clamp(2.6rem, 6.8vw, 5.6rem);
}

body.tv-mode .progress-message {
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
}

body.tv-mode .meter-card {
  width: min(1200px, 100%);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

body.tv-mode .meter-shell {
  margin-top: 0;
  height: min(28vh, 210px);
  padding: 14px;
  border-radius: 42px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.05);
}

@keyframes critical-pulse-shake {
  0% {
    transform: scale(1.03) translateX(0);
  }

  12% {
    transform: scale(1.11) translateX(-6px);
  }

  24% {
    transform: scale(1.15) translateX(6px);
  }

  36% {
    transform: scale(1.11) translateX(-5px);
  }

  48% {
    transform: scale(1.14) translateX(5px);
  }

  62% {
    transform: scale(1.09) translateX(-3px);
  }

  76% {
    transform: scale(1.07) translateX(3px);
  }

  100% {
    transform: scale(1.03) translateX(0);
  }
}

@keyframes fade-up {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes chicken-bounce {
  0% {
    transform: translateY(0) rotate(0deg);
  }

  20% {
    transform: translateY(-10px) rotate(-6deg);
  }

  40% {
    transform: translateY(0) rotate(5deg);
  }

  60% {
    transform: translateY(-7px) rotate(-4deg);
  }

  100% {
    transform: translateY(0) rotate(0deg);
  }
}

@keyframes chicken-critical {
  0% {
    transform: translateX(0) scale(1);
  }

  10% {
    transform: translateX(-16px) scale(1.08) rotate(-10deg);
  }

  20% {
    transform: translateX(18px) scale(1.12) rotate(10deg);
  }

  35% {
    transform: translateX(-22px) scale(1.1) rotate(-8deg);
  }

  50% {
    transform: translateX(24px) scale(1.14) rotate(8deg);
  }

  65% {
    transform: translateX(-14px) scale(1.08) rotate(-5deg);
  }

  80% {
    transform: translateX(10px) scale(1.04) rotate(4deg);
  }

  100% {
    transform: translateX(0) scale(1);
  }
}

@media (max-width: 768px) {
  .top-controls {
    top: 14px;
    left: 14px;
    right: 14px;
    justify-content: flex-start;
  }

  .view-mode-button {
    display: none;
  }

  .language-switcher {
    padding: 9px 12px;
  }

  .app {
    justify-content: flex-start;
    align-items: stretch;
    padding: 80px 14px 12px;
    gap: 12px;
  }

  .hero,
  .state-panel,
  .meter-card,
  .seo-footer {
    width: min(100%, 680px);
    margin-inline: auto;
  }

  .hero {
    text-align: left;
  }

  .hero-kicker {
    margin-bottom: 4px;
    font-size: 0.72rem;
    letter-spacing: 0.26em;
  }

  .hero-title {
    max-width: 9ch;
    font-size: clamp(1.85rem, 7vw, 2.8rem);
    line-height: 0.96;
  }

  .hero-subtitle {
    margin: 6px 0 0;
    max-width: 34ch;
    font-size: 0.9rem;
  }

  .hero-explainer {
    width: 100%;
    margin-top: 14px;
    padding: 16px;
    border-radius: 18px;
  }

  .hero-explainer-title {
    font-size: 0.96rem;
  }

  .hero-explainer-text,
  .hero-explainer-list {
    font-size: 0.9rem;
  }

  .hero-explainer-list {
    margin-top: 10px;
  }

  .chicken-mascot {
    top: -4px;
    right: 0;
    width: 60px;
    height: 60px;
  }

  .chicken-emoji {
    font-size: 1.95rem;
  }

  .state-panel {
    text-align: left;
  }

  .state-label {
    margin-bottom: 4px;
    font-size: 0.74rem;
    letter-spacing: 0.18em;
  }

  .state-message {
    font-size: clamp(1.7rem, 6vw, 2.35rem);
  }

  .progress-message {
    margin-top: 4px;
    min-height: 1.4em;
    font-size: 0.9rem;
  }

  .meter-card {
    padding: 18px 16px 16px;
    border-radius: 24px;
  }

  .eyebrow {
    margin-bottom: 6px;
  }

  h1,
  h2 {
    font-size: clamp(1.85rem, 6.2vw, 2.7rem);
  }

  .description {
    margin: 6px 0 12px;
    font-size: 0.94rem;
    line-height: 1.45;
  }

  .start-button {
    width: 100%;
    padding: 13px 18px;
  }

  .settings-panel {
    margin-top: 12px;
    gap: 8px;
  }

  .setting-item {
    padding: 10px;
  }

  .setting-header {
    align-items: flex-start;
    gap: 10px;
  }

  .setting-label {
    font-size: 0.9rem;
  }

  .setting-value-group {
    gap: 6px;
  }

  .setting-hint {
    font-size: 0.74rem;
  }

  .meter-shell {
    margin-top: 14px;
    height: 104px;
    padding: 8px;
  }

  .level-row {
    margin-top: 10px;
  }

  .status {
    margin-top: 8px;
    font-size: 0.92rem;
  }

  .seo-description {
    font-size: 0.74rem;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: clamp(2rem, 8vw, 3.1rem);
  }

  .chicken-mascot {
    top: -6px;
    right: 8px;
    width: 62px;
    height: 62px;
  }

  .chicken-emoji {
    font-size: 2rem;
  }

  .state-message {
    font-size: clamp(1.65rem, 7vw, 2.4rem);
  }

  .meter-card {
    padding: 20px 16px 16px;
    border-radius: 24px;
  }

  .meter-shell {
    height: 102px;
    padding: 8px;
  }

  body.tv-mode .state-message {
    font-size: clamp(2.1rem, 8.4vw, 3.8rem);
  }

  body.tv-mode .meter-shell {
    height: min(24vh, 160px);
    border-radius: 28px;
  }
}