:root {
  --bg-deep: #0a0e17;
  --bg-gradient-start: #1a1a2e;
  --bg-gradient-mid: #16213e;
  --bg-gradient-end: #0f3460;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-soft: rgba(255, 255, 255, 0.02);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  --brand-primary: #00d2ff;
  --brand-secondary: #3a7bd5;
  --brand-gradient: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
  
  --accent: #00d2ff;
  --accent-strong: #3a7bd5;
  --ink: #ffffff;
  --muted: rgba(255, 255, 255, 0.6);
  --muted-strong: rgba(255, 255, 255, 0.8);
  --line: rgba(255, 255, 255, 0.08);
  
  --green: #00b894;
  --red: #ff6b6b;
  --amber: #f59e0b;
  
  --shadow-glass: 0 24px 80px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --shadow-glow: 0 0 30px rgba(0, 210, 255, 0.1);
  
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cabin-enter {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes spring-press {
  0% { transform: scale(1); }
  50% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 20% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(58, 123, 213, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-mid) 50%, var(--bg-gradient-end) 100%);
  font-family: var(--font);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 100%);
  background-size: 72px 72px;
  opacity: 0.3;
}

body.screen-page {
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.screen-shell,
.admin-shell {
  width: min(1480px, calc(100vw - 32px));
  min-height: calc(100vh - 32px);
  margin: 16px auto;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--shadow-glass);
  overflow: hidden;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

body.screen-page .screen-shell {
  width: 100vw;
  height: 100dvh;
  min-height: 0;
  margin: 0;
  display: grid;
  grid-template-rows: clamp(64px, 9vh, 82px) auto minmax(0, 1fr);
  border-radius: 0;
  background: transparent;
}

.screen-shell.alarm-active {
  border-color: rgba(255, 107, 107, 0.2);
  box-shadow: 0 24px 80px rgba(255, 107, 107, 0.15), var(--shadow-glass);
}

.screen-topbar,
.admin-topbar {
  height: 86px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.screen-topbar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 100%),
    var(--glass);
}

.brand-block {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: white;
  background: var(--brand-gradient);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 8px 24px rgba(0, 210, 255, 0.3);
  position: relative;
}

.brand-logo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), transparent 50%);
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-block h1,
.admin-topbar h1 {
  margin: 0;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.1;
  letter-spacing: 0;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-block p,
.admin-topbar p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.top-status {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  white-space: nowrap;
}

.clock {
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
}

.status-pill,
.admin-entry,
.back-link {
  min-height: 34px;
  padding: 7px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  background: rgba(0, 210, 255, 0.1);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid rgba(0, 210, 255, 0.2);
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(0, 184, 148, 0.15);
  animation: status-breathe 2s ease-in-out infinite;
}

@keyframes status-breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.alarm-banner {
  display: none;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 0 28px;
  color: white;
  background: linear-gradient(90deg, #b91c1c, #dc2626 52%, #f59e0b);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.18);
}

.alarm-banner.show {
  display: flex;
}

.alarm-banner strong {
  font-size: 16px;
}

.alarm-banner span {
  flex: 1;
  font-weight: 700;
}

.alarm-banner i {
  width: 180px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  overflow: hidden;
  position: relative;
}

.alarm-banner i::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 46%;
  border-radius: inherit;
  background: white;
  animation: alarm-progress 1.8s ease-in-out infinite;
}

.screen-main {
  min-height: calc(100vh - 118px);
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(380px, 1fr) minmax(330px, 0.82fr);
  gap: 18px;
}

body.screen-page .screen-topbar {
  height: auto;
  min-height: 0;
  padding: 0 clamp(16px, 2vw, 28px);
}

body.screen-page .alarm-banner {
  min-height: 0;
  height: 0;
  padding: 0 28px;
  overflow: hidden;
}

body.screen-page .alarm-banner.show {
  height: 54px;
}

body.screen-page .screen-main {
  min-height: 0;
  height: 100%;
  padding: clamp(12px, 1.6vw, 22px);
  grid-template-columns: minmax(240px, 0.82fr) minmax(320px, 1.05fr) minmax(250px, 0.82fr);
  gap: clamp(10px, 1.35vw, 18px);
  overflow-y: auto;
}

.floor-stage,
.voice-stage,
.control-stage,
.admin-panel,
.lock-panel {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--shadow-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  animation: fade-in-up 0.6s ease-out forwards;
  opacity: 0;
}

.floor-stage {
  min-height: 640px;
  padding: 28px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 18px;
  animation-delay: 0.1s;
}

.voice-stage {
  animation-delay: 0.2s;
}

.control-stage {
  animation-delay: 0.3s;
}

body.screen-page .floor-stage,
body.screen-page .voice-stage,
body.screen-page .control-stage {
  min-height: 0;
  padding: clamp(16px, 1.8vw, 24px);
  gap: clamp(10px, 1.35vw, 16px);
  overflow: hidden;
  border-radius: 20px;
}

body.screen-page .floor-meta strong {
  font-size: clamp(64px, 9vw, 132px);
}

.floor-meta span,
.eyebrow,
.section-head span,
.field span,
.user-meta {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.floor-meta strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(92px, 11vw, 160px);
  line-height: 0.86;
  letter-spacing: -0.04em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0, 210, 255, 0.4)) drop-shadow(0 0 40px rgba(0, 210, 255, 0.2));
  animation: neon-flicker 3s ease-in-out infinite;
  position: relative;
}

.floor-meta strong::before {
  content: attr(id);
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: blur(30px);
  opacity: 0.5;
}

@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    filter: drop-shadow(0 0 20px rgba(0, 210, 255, 0.4)) drop-shadow(0 0 40px rgba(0, 210, 255, 0.2));
    opacity: 1;
  }
  20%, 24%, 55% {
    filter: drop-shadow(0 0 10px rgba(0, 210, 255, 0.2)) drop-shadow(0 0 20px rgba(0, 210, 255, 0.1));
    opacity: 0.9;
  }
}

.movement-line {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.movement-line span {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--line);
}

.shaft-view {
  position: relative;
  min-height: 320px;
  border-radius: 20px;
  background: linear-gradient(180deg, #0a0e17 0%, #111827 50%, #0a0e17 100%);
  overflow: hidden;
  border: 1px solid rgba(0, 210, 255, 0.2);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6);
}

body.screen-page .shaft-view {
  min-height: 280px;
}

.floor-markers {
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  bottom: 16px;
}

.floor-marker {
  position: absolute;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.4), transparent);
}

.floor-marker::before {
  content: attr(data-floor);
  position: absolute;
  left: -32px;
  top: -10px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(0, 210, 255, 0.6);
}

.floor-marker::after {
  content: attr(data-floor);
  position: absolute;
  right: -32px;
  top: -10px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(0, 210, 255, 0.6);
}

.cabin {
  position: absolute;
  left: 50%;
  top: 0;
  width: 90px;
  height: 100px;
  transform: translateX(-50%);
  opacity: 0;
  transition: top 0.82s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.5s ease;
}

.cabin.ready {
  opacity: 1;
}

.cabin-body {
  position: relative;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-radius: 10px;
  border: 2px solid rgba(0, 210, 255, 0.3);
  box-shadow: 
    0 8px 30px rgba(0, 0, 0, 0.5),
    0 0 20px rgba(0, 210, 255, 0.1);
  overflow: hidden;
}

.cabin-roof {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 14px;
  background: linear-gradient(180deg, #3b82f6 0%, #1e40af 100%);
  border-radius: 8px 8px 0 0;
}

.cabin-roof-light {
  position: absolute;
  top: 50%;
  left: 24px;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4b5563;
  transition: all 0.3s ease;
}

.cabin-roof-light.on {
  background: #fbbf24;
  box-shadow: 
    0 0 10px rgba(251, 191, 36, 1),
    0 0 20px rgba(251, 191, 36, 0.8),
    0 0 30px rgba(251, 191, 36, 0.6);
}

.cabin-roof-fan {
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cabin-roof-fan.on {
  opacity: 1;
}

.cabin-roof-fan.on .fan-blades {
  animation: fan-spin 0.8s linear infinite;
}

.fan-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #64748b;
  z-index: 2;
}

.fan-blades {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
}

.fan-blade {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 40%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8) 0%, rgba(148, 163, 184, 0.6) 100%);
  border-radius: 2px;
  transform-origin: center bottom;
}

.fan-blade:nth-child(1) {
  transform: translate(-50%, -100%) rotate(0deg);
}

.fan-blade:nth-child(2) {
  transform: translate(-50%, -100%) rotate(120deg);
}

.fan-blade:nth-child(3) {
  transform: translate(-50%, -100%) rotate(240deg);
}

@keyframes fan-spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.cabin-door-frame {
  position: absolute;
  inset: 16px 8px 24px;
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: 4px;
  overflow: hidden;
}

.cabin-doors {
  position: absolute;
  inset: 0;
  display: flex;
}

.cabin-door {
  flex: 1;
  background: linear-gradient(180deg, #334155 0%, #1e293b 100%);
  border-right: 1px solid rgba(0, 210, 255, 0.1);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cabin-door.right {
  border-right: none;
  border-left: 1px solid rgba(0, 210, 255, 0.1);
}

.cabin-door-handle {
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.6);
  transform: translateY(-50%);
  box-shadow: 0 0 6px rgba(0, 210, 255, 0.8);
}

.cabin-door.left .cabin-door-handle {
  right: 8px;
}

.cabin-door.right .cabin-door-handle {
  left: 8px;
}

.cabin.door-open .cabin-door.left {
  transform: translateX(-100%);
}

.cabin.door-open .cabin-door.right {
  transform: translateX(100%);
}

.cabin-interior {
  position: absolute;
  inset: 16px 8px 24px;
  background: linear-gradient(180deg, rgba(0, 210, 255, 0.05) 0%, rgba(0, 210, 255, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cabin.light-on .cabin-interior {
  opacity: 1;
}

.cabin-floor-number {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 26px;
  font-weight: 900;
  color: white;
  text-shadow: 0 0 10px rgba(0, 210, 255, 0.6);
}

.cabin-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.cabin-indicator-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(0, 210, 255, 0.3);
}

.cabin-indicator-dot.active {
  background: #00d2ff;
  box-shadow: 0 0 6px rgba(0, 210, 255, 0.8);
}

.caption-strip {
  min-height: 58px;
  padding: 14px 16px;
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 800;
}

body.screen-page .caption-strip {
  min-height: clamp(44px, 6vh, 58px);
  padding: 10px 14px;
  font-size: clamp(15px, 1.5vw, 20px);
}

.voice-stage {
  min-height: 640px;
  padding: 28px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 18px;
}

body.screen-page .voice-stage {
  grid-template-rows: auto minmax(0, 1fr) auto auto;
}

.voice-orb {
  width: min(250px, 58vw);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  color: white;
  background:
    radial-gradient(circle at 35% 26%, rgba(255, 255, 255, 0.48), transparent 24%),
    var(--brand-gradient);
  box-shadow: 
    0 26px 54px rgba(0, 210, 255, 0.25),
    inset 0 -20px 60px rgba(0, 0, 0, 0.3);
}

body.screen-page .voice-orb {
  width: clamp(132px, 18vw, 220px);
}

.voice-orb::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    rgba(0, 210, 255, 0.1) 25%,
    transparent 50%,
    rgba(58, 123, 213, 0.1) 75%,
    transparent 100%
  );
  animation: rotate-glow 6s linear infinite;
}

.voice-orb::after {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.38);
  opacity: 0.42;
}

@keyframes rotate-glow {
  to { transform: rotate(360deg); }
}

.voice-orb.listening::before,
.voice-orb.recording::before,
.voice-orb.wake-listening::before {
  inset: -16px;
  border-color: rgba(0, 210, 255, 0.2);
  opacity: 0;
  animation: voice-ripple 1.7s ease-out infinite;
}

.voice-orb.recording::after,
.voice-orb.wake-listening::after {
  inset: -34px;
  border-color: rgba(0, 210, 255, 0.1);
  opacity: 0;
  animation: voice-ripple 1.7s ease-out 0.42s infinite;
}

.voice-orb span {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 -54px 0 rgba(255, 255, 255, 0.26), 0 54px 0 rgba(255, 255, 255, 0.22), 54px 0 0 rgba(255, 255, 255, 0.18), -54px 0 0 rgba(255, 255, 255, 0.18);
}

.voice-orb strong {
  position: absolute;
  bottom: 45px;
  font-size: 18px;
  letter-spacing: 0;
}

body.screen-page .voice-orb strong {
  bottom: clamp(28px, 3.8vw, 42px);
}

.voice-orb.listening,
.voice-orb.speaking,
.voice-orb.recording,
.voice-orb.wake-listening,
.voice-orb.thinking {
  animation: pulse 1.5s ease-in-out infinite;
}

.voice-orb.alert {
  background:
    radial-gradient(circle at 35% 26%, rgba(255, 255, 255, 0.48), transparent 24%),
    linear-gradient(135deg, var(--red), #ef4444);
  box-shadow: 0 26px 54px rgba(255, 107, 107, 0.32);
  animation: alarm-pulse 1.1s ease-in-out infinite;
}

.voice-orb.thinking {
  background:
    radial-gradient(circle at 35% 26%, rgba(255, 255, 255, 0.48), transparent 24%),
    linear-gradient(135deg, #7c3aed, #8b5cf6);
}

.voice-orb.speaking {
  background:
    radial-gradient(circle at 35% 26%, rgba(255, 255, 255, 0.48), transparent 24%),
    linear-gradient(135deg, var(--green), #10b981);
}

.voice-orb.recording {
  background:
    radial-gradient(circle at 35% 26%, rgba(255, 255, 255, 0.48), transparent 24%),
    linear-gradient(135deg, #3b82f6, #60a5fa);
}

.voice-orb.listening {
  background:
    radial-gradient(circle at 35% 26%, rgba(255, 255, 255, 0.48), transparent 24%),
    linear-gradient(135deg, #f59e0b, #f97316);
  animation: voice-wave 0.8s ease-in-out infinite;
}

.voice-orb.listening::before {
  animation: voice-ripple 0.8s ease-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.035); }
}

@keyframes voice-ripple {
  0% { transform: scale(0.86); opacity: 0.46; }
  100% { transform: scale(1.18); opacity: 0; }
}

@keyframes voice-wave {
  0%, 100% { 
    transform: scale(1); 
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
  }
  50% { 
    transform: scale(1.08); 
    box-shadow: 0 0 20px 8px rgba(245, 158, 11, 0.2);
  }
}

@keyframes alarm-pulse {
  0%, 100% { transform: scale(1); filter: saturate(1); }
  50% { transform: scale(1.045); filter: saturate(1.22); }
}

@keyframes alarm-progress {
  0% { transform: translateX(-105%); }
  55%, 100% { transform: translateX(230%); }
}

.dialogue-panel {
  min-height: 210px;
  padding: 20px;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
}

body.screen-page .dialogue-panel {
  min-height: 0;
  padding: clamp(14px, 1.6vw, 18px);
  overflow: hidden;
}

.dialogue-panel h2 {
  margin: 8px 0 12px;
  min-height: 64px;
  font-size: clamp(22px, 2.8vw, 36px);
  line-height: 1.22;
  letter-spacing: 0;
  white-space: pre-wrap;
}

body.screen-page .dialogue-panel h2 {
  min-height: 0;
  max-height: 2.5em;
  overflow: hidden;
  font-size: clamp(20px, 2.35vw, 34px);
}

.dialogue-panel p {
  margin: 0;
}

#replyText {
  color: var(--muted);
  font-size: 17px;
  min-height: 24px;
}

#replyText.thinking::after {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-left: 4px;
  vertical-align: middle;
}

.thinking-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

.thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-primary);
  animation: dot-pulse 1.4s ease-in-out infinite;
}

.thinking-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.thinking-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dot-pulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.2); }
}

.waveform-container {
  height: 48px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.waveform-container.active {
  opacity: 1;
}

.waveform-bar {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--brand-gradient);
  animation: waveform-bounce 0.6s ease-in-out infinite;
}

.waveform-bar:nth-child(odd) {
  animation-delay: 0.1s;
}

.waveform-bar:nth-child(3n) {
  animation-delay: 0.2s;
}

@keyframes waveform-bounce {
  0%, 100% { height: 8px; }
  50% { height: 32px; }
}

.command-list {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

body.screen-page .command-list {
  max-height: 76px;
  overflow: hidden;
}

.command-list span {
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}

.voice-actions,
.control-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.primary-action,
.quiet-action,
.text-command button,
.control-group button,
.floor-buttons button,
.admin-panel button,
.lock-panel button {
  min-height: 48px;
  border-radius: 12px;
  font-weight: 800;
}

.primary-action,
.text-command button,
.admin-panel button.primary,
.lock-panel button {
  color: white;
  background: var(--brand-gradient);
  box-shadow: 0 8px 24px rgba(0, 210, 255, 0.25);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.primary-action::before,
.text-command button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  pointer-events: none;
}

.primary-action:active,
.text-command button:active,
.quiet-action:active,
.control-group button:active {
  animation: spring-press 0.2s ease-out;
}

.primary-action:hover,
.text-command button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 210, 255, 0.35);
}

.quiet-action,
.control-group button,
.floor-buttons button,
.admin-panel button,
.lock-panel input {
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.quiet-action:hover,
.control-group button:hover {
  border-color: rgba(0, 210, 255, 0.3);
  background: rgba(0, 210, 255, 0.05);
  box-shadow: 0 4px 16px rgba(0, 210, 255, 0.1);
}

.text-command {
  display: grid;
  grid-template-columns: 1fr 86px;
  gap: 10px;
}

.text-command input,
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--surface);
  outline: none;
  transition: all 0.3s ease;
}

.text-command input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.1);
}

.field textarea {
  min-height: 88px;
  padding-top: 12px;
  resize: vertical;
}

.control-stage {
  min-height: 640px;
  padding: 24px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 16px;
}

body.screen-page .control-stage {
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.section-head h2 {
  margin: 0;
  font-size: 22px;
  color: var(--ink);
}

.floor-buttons {
  align-content: start;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(74px, 1fr));
  gap: 10px;
}

body.screen-page .floor-buttons {
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
  align-content: start;
  overflow-y: auto;
}

.floor-buttons button {
  aspect-ratio: 1;
  min-height: 72px;
  color: var(--muted-strong);
  background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(0,0,0,0.1));
  border: 1px solid var(--line);
  font-size: 28px;
  font-weight: 700;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 16px;
}

.floor-buttons button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--brand-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.floor-buttons button::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: 15px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 100%);
  pointer-events: none;
}

.floor-buttons button span {
  position: relative;
  z-index: 2;
}

body.screen-page .floor-buttons button {
  aspect-ratio: auto;
  min-height: 0;
  font-size: clamp(20px, 2.4vw, 32px);
}

.floor-buttons button:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: rgba(0, 210, 255, 0.4);
  box-shadow: 
    0 12px 40px rgba(0, 210, 255, 0.15),
    inset 0 0 20px rgba(0, 210, 255, 0.05);
  color: var(--brand-primary);
}

.floor-buttons button:active {
  transform: translateY(-1px) scale(0.98);
}

.floor-buttons button.current {
  border-color: rgba(0, 184, 148, 0.5);
  background: linear-gradient(145deg, rgba(0, 184, 148, 0.12), rgba(0, 184, 148, 0.04));
  box-shadow: 
    0 0 30px rgba(0, 184, 148, 0.2),
    inset 0 0 30px rgba(0, 184, 148, 0.08),
    0 0 0 1px rgba(0, 184, 148, 0.3);
  color: var(--green);
  animation: current-glow 2s ease-in-out infinite;
}

.floor-buttons button.current::before {
  background: linear-gradient(145deg, var(--green), #10b981);
  opacity: 0.1;
}

.floor-buttons button.current::after {
  content: '● 当前';
  position: absolute;
  top: 6px;
  right: 10px;
  font-size: 10px;
  color: var(--green);
  font-weight: 600;
  background: none;
  inset: auto;
}

.floor-buttons button.active,
.floor-buttons button.target {
  color: white;
  background: var(--brand-gradient);
  border-color: rgba(0, 210, 255, 0.5);
  box-shadow: 
    0 8px 32px rgba(0, 210, 255, 0.4),
    0 0 0 1px rgba(0, 210, 255, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  animation: target-pulse 1.5s ease-in-out infinite;
}

.floor-buttons button.target::after {
  content: '● 目标';
  position: absolute;
  top: 6px;
  right: 10px;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  background: none;
  inset: auto;
}

@keyframes current-glow {
  0%, 100% { box-shadow: 0 0 30px rgba(0, 184, 148, 0.2), inset 0 0 30px rgba(0, 184, 148, 0.08), 0 0 0 1px rgba(0, 184, 148, 0.3); }
  50% { box-shadow: 0 0 45px rgba(0, 184, 148, 0.3), inset 0 0 40px rgba(0, 184, 148, 0.12), 0 0 0 1px rgba(0, 184, 148, 0.4); }
}

.control-groups {
  display: grid;
  gap: 10px;
}

body.screen-page .control-groups {
  overflow: hidden;
}

body.screen-page .control-group button {
  min-height: clamp(40px, 5vh, 52px);
}

.control-group button {
  position: relative;
  overflow: hidden;
  letter-spacing: 0;
}

.control-group button::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-right: 8px;
  display: inline-block;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.42;
  box-shadow: 0 0 0 4px currentColor;
}

.control-group .danger {
  color: white;
  background: linear-gradient(135deg, var(--red), #ef4444);
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.25);
}

.screen-shell.alarm-active [data-command="我要报警"],
.screen-shell.alarm-active .control-group .danger {
  color: white;
  background: linear-gradient(135deg, #b91c1c, #ef4444);
  box-shadow: 0 16px 34px rgba(220, 38, 38, 0.24);
  animation: alarm-button 1.1s ease-in-out infinite;
}

@keyframes target-pulse {
  0%, 100% { box-shadow: 0 8px 32px rgba(0, 210, 255, 0.3); }
  50% { box-shadow: 0 8px 48px rgba(0, 210, 255, 0.5); }
}

@keyframes alarm-button {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.14); }
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  padding: 12px 16px;
  border-radius: 999px;
  color: white;
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transition: 0.22s ease;
  z-index: 20;
}

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

.admin-main {
  padding: 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.lock-panel {
  max-width: 420px;
  margin: 80px auto;
  padding: 28px;
}

.lock-panel h2,
.admin-panel h2 {
  margin: 0 0 16px;
}

.lock-form {
  display: grid;
  gap: 12px;
}

.admin-panel {
  padding: 22px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.wide {
  grid-column: 1 / -1;
}

.toggle-grid,
.floor-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.check-item {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  font-weight: 700;
}

.admin-actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.user-list {
  display: grid;
  gap: 12px;
}

.user-row {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  display: grid;
  gap: 10px;
}

.user-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.user-head strong {
  font-size: 17px;
}

.user-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.preview-panel {
  grid-column: 1 / -1;
}

.preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.preview-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.config-preview {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) 1fr;
  gap: 16px;
}

.preview-card {
  min-height: 220px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.preview-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview-brand .brand-logo {
  flex: 0 0 auto;
}

.preview-brand h3 {
  margin: 0;
  font-size: 22px;
}

.preview-brand p,
.preview-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.preview-swatch {
  width: 100%;
  height: 48px;
  margin-top: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.preview-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.preview-metric {
  padding: 14px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.preview-metric strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.feature-chips {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.feature-chips span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(0, 210, 255, 0.1);
  color: var(--brand-primary);
  font-size: 12px;
  font-weight: 800;
}

@media (max-width: 992px) {
  body.screen-page .screen-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1180px) {
  .screen-main,
  .admin-main {
    grid-template-columns: 1fr;
  }

  .floor-stage,
  .voice-stage,
  .control-stage {
    min-height: auto;
  }

  body.screen-page .screen-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .screen-shell,
  .admin-shell {
    width: 100vw;
    min-height: 100vh;
    margin: 0;
    border-radius: 0;
  }

  .screen-topbar,
  .admin-topbar {
    height: auto;
    padding: 16px;
    align-items: flex-start;
    gap: 14px;
    flex-direction: column;
  }

  .screen-main,
  .admin-main {
    padding: 12px;
  }

  .floor-stage,
  .voice-stage,
  .control-stage,
  .admin-panel {
    padding: 16px;
  }

  .form-grid,
  .user-fields,
  .config-preview {
    grid-template-columns: 1fr;
  }

  .preview-head {
    flex-direction: column;
  }

  .text-command,
  .voice-actions,
  .control-group {
    grid-template-columns: 1fr;
  }

  body.screen-page .screen-main {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 0.78fr) minmax(0, 1fr) minmax(0, 0.88fr);
  }

  body.screen-page .brand-block p,
  body.screen-page .top-status .clock {
    display: none;
  }
}