:root {
  --bg-1: #070b1f;
  --bg-2: #0f1b3d;
  --cyan: #2ee6e6;
  --violet: #7b5cff;
  --pink: #ff5cc8;
  --ink: #eaf0ff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  font-family: "Sora", system-ui, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 50% 30%, var(--bg-2), var(--bg-1) 70%);
  overflow: hidden;
}

.stage {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  cursor: pointer;
  user-select: none;
  position: relative;
}

.brand {
  position: absolute;
  top: 32px;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 22px;
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(46, 230, 230, 0.45);
}
.brand span { color: var(--violet); }

/* ---------- Robô ---------- */
.robot {
  position: relative;
  width: min(60vw, 360px);
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.aura {
  position: absolute;
  inset: -18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 92, 255, 0.35), transparent 65%);
  filter: blur(20px);
  z-index: -1;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

.bot { width: 100%; height: auto; display: block; }

.head, .body {
  fill: #10204a;
  stroke: var(--cyan);
  stroke-width: 2.5;
  filter: drop-shadow(0 0 10px rgba(46, 230, 230, 0.35));
}
.ear { fill: var(--violet); }
.antenna { stroke: var(--cyan); stroke-width: 3; }
.antenna-tip {
  fill: var(--pink);
  animation: blinkTip 1.6s ease-in-out infinite;
}
@keyframes blinkTip {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.eye { fill: #061233; stroke: var(--cyan); stroke-width: 2; }
.pupil {
  fill: var(--cyan);
  transform-origin: center;
  animation: blink 5s ease-in-out infinite;
}
@keyframes blink {
  0%, 92%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.1); }
}

.core { fill: var(--pink); animation: pulse 2s ease-in-out infinite; }

/* ---------- Braços ---------- */
.limb {
  fill: #10204a;
  stroke: var(--cyan);
  stroke-width: 2.5;
}
.hand { fill: var(--violet); stroke: var(--cyan); stroke-width: 2; }

.arm {
  transform-box: view-box;
  transition: transform 0.3s ease;
}
/* pivôs no ombro de cada lado */
.arm-left { transform-origin: 41px 172px; transform: rotate(8deg); }
.arm-right { transform-origin: 159px 172px; transform: rotate(-8deg); }

/* Enquanto fala, os braços gesticulam em ritmos diferentes (mais expressivo). */
.robot.speaking .arm-left { animation: gestureL 1.1s ease-in-out infinite; }
.robot.speaking .arm-right { animation: gestureR 0.9s ease-in-out infinite; }

@keyframes gestureL {
  0%, 100% { transform: rotate(10deg); }
  50% { transform: rotate(-22deg); }
}
@keyframes gestureR {
  0%, 100% { transform: rotate(-12deg); }
  50% { transform: rotate(26deg); }
}

/* Enquanto ouve, levanta levemente um braço (expressão de atenção). */
.robot.listening .arm-right { transform: rotate(-40deg); }

/* ---------- Comandos: braços levantados ---------- */
/* Comandos têm prioridade sobre as animações de fala. */
.robot.cmd-left .arm-left,
.robot.cmd-both .arm-left { animation: none !important; transform: rotate(165deg); }
.robot.cmd-right .arm-right,
.robot.cmd-both .arm-right { animation: none !important; transform: rotate(-165deg); }

/* Aceno (mão direita balançando) */
.robot.cmd-wave .arm-right {
  animation: wave 0.5s ease-in-out 6 !important;
  transform-origin: 159px 172px;
}
@keyframes wave {
  0%, 100% { transform: rotate(-150deg); }
  50% { transform: rotate(-185deg); }
}

/* ---------- Comando: anteninha piscando ---------- */
.robot.cmd-antenna .antenna-tip {
  animation: antennaFlash 0.35s steps(1) 8 !important;
}
@keyframes antennaFlash {
  0%, 100% {
    opacity: 1;
    fill: var(--cyan);
    filter: drop-shadow(0 0 12px var(--cyan));
  }
  50% { opacity: 0.15; fill: var(--pink); filter: none; }
}

/* ---------- Comandos: olhos fechados ---------- */
.robot.eyes-closed .pupil { opacity: 0; }
.robot.eyes-closed .eye {
  animation: none !important;
  transform-box: fill-box;
  transform-origin: center;
  transform: scaleY(0.12);
}

/* ---------- Tela de login ---------- */
.login-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: min(88vw, 360px);
  padding: 32px 28px;
  border-radius: 22px;
  border: 1.5px solid rgba(46, 230, 230, 0.3);
  background: rgba(7, 11, 31, 0.55);
  backdrop-filter: blur(10px);
}
.login-box h1 {
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
}
.login-box p {
  font-weight: 300;
  font-size: 15px;
  opacity: 0.85;
  text-align: center;
  margin-top: -4px;
}
.login-box input {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1.5px solid rgba(123, 92, 255, 0.5);
  background: rgba(7, 11, 31, 0.7);
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}
.login-box input:focus { border-color: var(--cyan); }
.login-box button {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: #061233;
  background: linear-gradient(120deg, var(--violet), var(--cyan));
  transition: transform 0.08s, box-shadow 0.15s;
}
.login-box button:hover { box-shadow: 0 0 24px rgba(46, 230, 230, 0.5); }
.login-box button:active { transform: scale(0.98); }
.login-error {
  color: var(--pink);
  min-height: 1.2em;
  font-size: 14px !important;
}

/* ---------- Gerador de senha ---------- */
.gen-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: min(88vw, 380px);
  padding: 34px 28px;
  border-radius: 22px;
  border: 1.5px solid rgba(46, 230, 230, 0.3);
  background: rgba(7, 11, 31, 0.55);
  backdrop-filter: blur(10px);
}
.gen-label {
  font-weight: 300;
  font-size: 15px;
  opacity: 0.8;
  letter-spacing: 1px;
}
.gen-code {
  font-size: clamp(44px, 12vw, 64px);
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(46, 230, 230, 0.45);
  font-variant-numeric: tabular-nums;
}
.gen-bar {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.gen-bar span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  transition: width 1s linear;
}
.gen-info {
  font-weight: 300;
  font-size: 14px;
  opacity: 0.75;
  text-align: center;
}

/* ---------- Overlay de sessão expirada ---------- */
.expired-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 11, 31, 0.82);
  backdrop-filter: blur(8px);
  animation: popIn 0.3s ease both;
}
.expired-card {
  text-align: center;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  color: var(--ink);
  padding: 36px 44px;
  border-radius: 22px;
  border: 1.5px solid rgba(255, 92, 200, 0.4);
  background: rgba(15, 27, 61, 0.7);
}
.expired-card span {
  display: block;
  margin-top: 12px;
  font-size: 16px;
  font-weight: 300;
  opacity: 0.8;
}

/* ---------- Pop-ups ---------- */
.popup-layer {
  position: fixed;
  top: 88px;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 50;
  pointer-events: none;
}
.popup {
  max-width: min(86vw, 460px);
  padding: 16px 26px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(123, 92, 255, 0.95), rgba(46, 230, 230, 0.9));
  color: #061233;
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 500;
  text-align: center;
  box-shadow: 0 10px 40px rgba(123, 92, 255, 0.45);
  animation: popIn 0.35s cubic-bezier(0.18, 1.4, 0.5, 1) both;
}
.popup.out { animation: popOut 0.4s ease forwards; }
@keyframes popIn {
  from { opacity: 0; transform: translateY(-18px) scale(0.85); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes popOut {
  to { opacity: 0; transform: translateY(-18px) scale(0.9); }
}

/* boca: a altura é controlada via JS (transform scaleY) */
.mouth {
  fill: var(--pink);
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.06s linear;
  filter: drop-shadow(0 0 6px rgba(255, 92, 200, 0.6));
}

/* estados */
.robot.listening .head { stroke: var(--violet); }
.robot.speaking .aura { animation-duration: 1.2s; }

.bot-name {
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: 1px;
  background: linear-gradient(120deg, var(--cyan), var(--violet), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-top: -8px;
}
.bot-name b { color: var(--pink); }

.status {
  font-weight: 300;
  font-size: clamp(15px, 2.4vw, 20px);
  opacity: 0.85;
  text-align: center;
  max-width: 80%;
  min-height: 1.4em;
  transition: opacity 0.3s;
}

.dim { opacity: 0.5; }

/* ---------- Controles ---------- */
.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.mode-toggle {
  display: inline-flex;
  border: 1.5px solid rgba(46, 230, 230, 0.4);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(7, 11, 31, 0.6);
  backdrop-filter: blur(6px);
}
.mode-toggle .opt {
  padding: 10px 26px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.5px;
  cursor: pointer;
  color: var(--ink);
  opacity: 0.55;
  transition: all 0.2s;
}
.mode-toggle .opt.active {
  opacity: 1;
  background: linear-gradient(120deg, var(--violet), var(--cyan));
  color: #061233;
}

.ptt {
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--ink);
  padding: 16px 38px;
  border-radius: 999px;
  border: 1.5px solid var(--pink);
  background: rgba(255, 92, 200, 0.12);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  transition: transform 0.08s, background 0.15s, box-shadow 0.15s;
}
.ptt.recording {
  background: var(--pink);
  color: #061233;
  transform: scale(1.06);
  box-shadow: 0 0 28px rgba(255, 92, 200, 0.7);
}

[hidden] { display: none !important; }