:root {
  --bg-primary: #F5F2EB;
  --bg-card: #FFFFFF;
  --bg-card-border: #E5B842;
  
  --amstel-red: #C8102E;
  --amstel-gold: #E5B842;
  --amstel-dark-red: #8B0A1E;
  --amstel-blue: #004B93;
  
  --color-amstel-red: #C8102E;
  --color-amstel-gold: #E5B842;
  --color-amstel-dark-red: #8B0A1E;
  
  --accent-cyan: #E5B842;
  --accent-gold: #E5B842;
  --accent-green: #15803D;
  --accent-amber: #E5A128;
  --accent-red: #C8102E;
  
  --text-main: #1C0407;
  --text-muted: #8B0A1E;
  --text-dim: #71717A;
  
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Oswald', 'Inter', sans-serif;
  
  --radius-card: 12px;
  --radius-badge: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(circle at 50% 0, rgba(229, 184, 66, 0.16), transparent 340px);
}

.collector-app {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--amstel-gold);
  border-top: 4px solid var(--amstel-red);
  border-bottom: 2px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.amstel-header-logo {
  height: 52px;
  width: 52px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.15));
  transition: transform 0.2s ease;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

.brand-subtitle {
  font-size: 10px;
  color: var(--amstel-red);
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 6px 12px;
  border-radius: var(--radius-badge);
  background: #FAF6EE;
  color: var(--text-main);
  border: 1.5px solid var(--amstel-gold);
  flex: 0 0 auto;
  max-width: 160px;
  text-align: center;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
}

.status-badge.online {
  background: #FAF6EE;
  color: var(--accent-green);
  border-color: var(--accent-green);
}
.status-badge.online .status-dot {
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.status-badge.offline {
  background: #FAF6EE;
  color: var(--amstel-red);
  border-color: var(--amstel-red);
}
.status-badge.offline .status-dot {
  background: var(--amstel-red);
}

.page-step {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--amstel-dark-red);
  background: #FAF6EE;
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-badge);
  padding: 7px 10px;
  text-align: center;
}

.setup-card,
.calibration-card-main {
  background: var(--bg-card);
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.setup-card h1,
.calibration-card-main h1 {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--text-main);
}

.section-kicker {
  font-family: var(--font-display);
  color: var(--amstel-red);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
}

.section-description {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.55;
}

.info-card {
  background: #FAF6EE;
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  padding: 16px;
  color: var(--amstel-dark-red);
  font-size: 13px;
  line-height: 1.5;
}

.info-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.context-card {
  background: var(--bg-card);
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 16px;
  align-items: center;
}

.context-card > div {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.context-card > div:first-child {
  grid-column: 1 / -1;
}

.context-card span {
  font-family: var(--font-display);
  color: var(--amstel-dark-red);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.8px;
}

.context-card strong {
  font-size: 13px;
  line-height: 1.4;
}

.text-link {
  color: var(--amstel-red);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-link.centered {
  text-align: center;
}

/* Card principal da pressao sonora calibrada */
.main-meter-card {
  background: var(--bg-card);
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.meter-label {
  font-family: var(--font-display);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--amstel-dark-red);
  font-weight: 800;
  margin-bottom: 6px;
}

.pascal-display {
  font-family: monospace;
  font-size: clamp(48px, 15vw, 64px);
  font-weight: 800;
  color: var(--amstel-red);
  line-height: 1;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  margin: 10px 0;
}

.unit-tag {
  font-size: 20px;
  font-weight: 700;
  color: var(--amstel-dark-red);
  margin-left: 4px;
}

.peak-badge {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--amstel-dark-red);
  background: #FAF6EE;
  border: 1.5px solid var(--amstel-gold);
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 800;
  margin-top: 4px;
}

.peak-badge span {
  color: var(--amstel-red);
}

.relative-display {
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  margin-bottom: 8px;
}

.relative-display strong {
  color: var(--amstel-red);
  font-size: 14px;
  white-space: nowrap;
}

/* Barra do Nível de Sinal de Áudio */
.audio-bar-container {
  width: 100%;
  height: 10px;
  background: #FAF6EE;
  border: 1px solid var(--amstel-gold);
  border-radius: 5px;
  margin-top: 20px;
  overflow: hidden;
}

.audio-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--amstel-gold) 0%, var(--amstel-red) 100%);
  border-radius: 5px;
  transition: width 0.08s ease-out;
}

/* Painel de Controles */
.controls-card {
  background: var(--bg-card);
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.btn-primary {
  width: 100%;
  padding: 14px 20px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-badge);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  transition: all 0.2s ease;
  touch-action: manipulation;
}

.btn-start {
  background: linear-gradient(135deg, #C8102E 0%, #A00B20 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(200, 16, 46, 0.3);
}

.btn-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(200, 16, 46, 0.4);
}

.btn-stop {
  background: linear-gradient(135deg, #71717A 0%, #3F3F46 100%);
  color: #ffffff;
  border-color: #E5B842;
}

.btn-primary:disabled {
  box-shadow: none;
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.btn-secondary {
  width: 100%;
  min-height: 48px;
  padding: 12px 18px;
  background: #FAF6EE;
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-badge);
  color: var(--amstel-dark-red);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.4px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:disabled,
.btn-secondary.disabled,
.text-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.release-assignment {
  color: var(--amstel-red);
  border-color: #EAA0AC;
  background: #FEF2F2;
}

.release-assignment[hidden] {
  display: none;
}

/* Formulário de Identificação do Coletor */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-group label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--amstel-dark-red);
  font-weight: 800;
}

.input-text {
  background: #FAF6EE;
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-badge);
  padding: 12px 14px;
  color: var(--text-main);
  font-size: 14px;
  font-weight: 700;
  outline: none;
  font-family: var(--font-family);
  transition: border-color 0.2s ease;
}

.input-text:focus {
  border-color: var(--amstel-red);
}

.input-text:disabled {
  background: #EEE7DA;
  color: #766B67;
  cursor: not-allowed;
  opacity: 0.85;
}

.calibration-summary {
  border-radius: var(--radius-badge);
  border: 1px solid var(--amstel-gold);
  padding: 11px 12px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.calibration-summary.neutral {
  color: var(--text-dim);
  background: #FAF6EE;
}

.calibration-summary.pending {
  color: #8B5A00;
  background: #FFF9E8;
}

.calibration-summary.calibrated {
  color: var(--accent-green);
  background: #F0FDF4;
  border-color: #86C89A;
}

.calibration-live-value {
  background: #FAF6EE;
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.calibration-live-value > span {
  font-family: var(--font-display);
  color: var(--amstel-dark-red);
  font-size: 11px;
  letter-spacing: 0.8px;
}

.calibration-live-value strong {
  color: var(--amstel-red);
  font-family: monospace;
  font-size: 34px;
  font-variant-numeric: tabular-nums;
}

.calibration-progress {
  width: 100%;
  height: 12px;
  background: #EEE7DA;
  border: 1px solid var(--amstel-gold);
  border-radius: 999px;
  overflow: hidden;
}

.calibration-progress > div {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--amstel-gold), var(--amstel-red));
  transition: width 0.1s linear;
}

.calibration-countdown {
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  min-height: 18px;
}

/* Painel Informativo Offline */
.offline-card {
  background: #FAF6EE;
  border: 1.5px solid var(--amstel-gold);
  border-radius: var(--radius-card);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--amstel-dark-red);
  font-weight: 700;
}

.wakelock-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-dim);
  justify-content: center;
  margin-top: 4px;
  font-weight: 600;
}

.mic-settings-badge {
  color: var(--color-amstel-dark-red);
  font-weight: 700;
  margin-top: 2px;
}

/* Rodapé Amsterdã */
.amsterdam-footer {
  width: 100%;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  color: var(--amstel-red);
}

.skyline-svg {
  width: 100%;
  max-width: 320px;
  height: 36px;
}

/* Experiência imersiva exibida somente durante a coleta */
body.is-collecting {
  padding: 0;
  overflow: hidden;
  background: #171717;
}

.collection-live-view {
  position: fixed;
  z-index: 1000;
  inset: 0;
  width: min(100%, 480px);
  height: 100vh;
  height: 100dvh;
  margin: auto;
  overflow: hidden;
  background: #e5d3b3;
  color: #080808;
  isolation: isolate;
  box-shadow: 0 0 44px rgba(0, 0, 0, 0.5);
}

.collection-live-view[hidden] {
  display: none;
}

.collection-liquid-frame {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
  background: #e5d3b3;
  opacity: 0;
  transition: opacity 180ms ease-out;
}

.collection-liquid-frame.is-ready {
  opacity: 1;
}

.collection-live-topbar {
  position: absolute;
  z-index: 1;
  top: max(16px, env(safe-area-inset-top));
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.collection-live-status {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  padding: 8px 11px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  background: rgba(245, 239, 225, 0.78);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(9px);
}

.collection-live-status > span:last-child {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.collection-live-status strong {
  font: 800 10px/1.15 var(--font-display);
  letter-spacing: 0.9px;
}

.collection-live-status small {
  max-width: 180px;
  overflow: hidden;
  color: rgba(0, 0, 0, 0.64);
  font-size: 8px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.collection-live-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #c8102e;
  box-shadow: 0 0 0 4px rgba(200, 16, 46, 0.16);
  animation: collection-live-pulse 1.8s ease-in-out infinite;
}

.collection-stop-button {
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  background: rgba(245, 239, 225, 0.82);
  color: #16090a;
  font: 800 10px var(--font-display);
  letter-spacing: 0.8px;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(9px);
}

.collection-stop-button:focus-visible {
  outline-color: #c8102e;
}

.collection-live-reading {
  position: absolute;
  z-index: 1;
  top: 32%;
  left: 50%;
  display: flex;
  width: 100%;
  flex-direction: column;
  align-items: center;
  transform: translate(-50%, -50%);
  color: #050505;
  text-align: center;
  text-shadow: 0 2px 16px rgba(245, 239, 225, 0.4);
}

.collection-live-reading > span {
  font: 800 clamp(58px, 20vw, 86px)/0.88 var(--font-display);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  letter-spacing: -3px;
}

.collection-live-reading > strong {
  margin-top: 8px;
  font: 800 clamp(22px, 7vw, 30px)/1 var(--font-display);
  letter-spacing: 0.4px;
}

.collection-live-reading > small {
  margin-top: 10px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(245, 239, 225, 0.54);
  font: 800 9px var(--font-display);
  letter-spacing: 0.7px;
  backdrop-filter: blur(5px);
}

.collection-live-view.is-high-level .collection-live-reading {
  color: #fff;
  text-shadow: 0 2px 16px rgba(80, 0, 8, 0.62);
}

.collection-live-view.is-high-level .collection-live-reading > small {
  background: rgba(85, 0, 12, 0.42);
}

.collection-live-footer {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: max(14px, env(safe-area-inset-bottom));
  left: 0;
  padding: 0 18px;
  color: #fff;
  text-align: center;
  text-shadow: 0 1px 6px rgba(80, 0, 8, 0.55);
}

.collection-brand-row {
  display: grid;
  grid-template-columns: 1fr 62px 1fr;
  align-items: center;
  gap: 12px;
}

.collection-brand-row span {
  font: 800 clamp(8px, 2.5vw, 11px) var(--font-display);
  letter-spacing: 0.15px;
  white-space: nowrap;
}

.collection-brand-row img {
  width: 58px;
  max-height: 52px;
  margin: auto;
  object-fit: contain;
  filter: brightness(0) invert(1) drop-shadow(0 1px 3px rgba(80, 0, 8, 0.3));
}

.collection-session-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px solid rgba(255, 255, 255, 0.52);
  font: 700 8px var(--font-display);
  letter-spacing: 0.65px;
  text-transform: uppercase;
}

.collection-session-label strong,
.collection-session-label span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes collection-live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.78); }
}

button:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid var(--amstel-gold);
  outline-offset: 3px;
}

@media (max-width: 390px) {
  body {
    padding-left: 10px;
    padding-right: 10px;
  }

  .collector-app {
    gap: 12px;
  }

  header {
    align-items: flex-start;
    padding: 12px;
  }

  .amstel-header-logo {
    height: 44px;
    width: 44px;
  }

  .brand {
    gap: 9px;
  }

  .brand-title {
    font-size: 14px;
  }

  .brand-subtitle {
    font-size: 8px;
    letter-spacing: 0.8px;
  }

  .status-badge {
    font-size: 9px;
    max-width: 112px;
    padding: 5px 8px;
  }

  .main-meter-card,
  .controls-card,
  .setup-card,
  .calibration-card-main {
    padding: 18px 16px;
  }

  .input-text {
    font-size: 13px;
    padding-right: 32px;
  }

  .unit-tag {
    font-size: 17px;
  }

  .peak-badge {
    font-size: 10px;
    padding: 6px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}