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

html, body {
  width: 100%;
  height: 100%;
  background-color: #E5E7EB;
  color: #1F2937;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* O app ocupa a tela inteira (sem simular um aparelho) */
.app-wrapper {
  width: 100%;
  height: 100%;
  background-color: #F0F0F0;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.screen {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: #F0F0F0;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* ==========================================================================
   TELA DE LOGIN
   ========================================================================== */

.login-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 20px;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
}

.brand {
  text-align: center;
  margin-bottom: 24px;
}

.brand i {
  font-size: 44px;
  color: #1F2937;
  margin-bottom: 12px;
}

.brand h2 {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
  letter-spacing: -0.5px;
}

.login-error {
  background-color: #FEE2E2;
  border: 1px solid #F87171;
  color: #B91C1C;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
  font-weight: 500;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  font-size: 13px;
  color: #4B5563;
  margin-bottom: 6px;
  font-weight: 500;
}

.input-box {
  position: relative;
  display: flex;
  align-items: center;
}

.input-box i {
  position: absolute;
  left: 14px;
  color: #9CA3AF;
  font-size: 15px;
  pointer-events: none;
}

.input-box input {
  width: 100%;
  padding: 14px 14px 14px 44px;
  background-color: #FFFFFF;
  border: 1px solid #D1D5DB;
  border-radius: 8px;
  color: #111827;
  font-size: 16px;
  font-family: inherit;
  user-select: text;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-box input:focus {
  outline: none;
  border-color: #2563EB;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.btn-entrar {
  width: 100%;
  background-color: #2563EB;
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
  transition: background-color 0.15s, transform 0.05s;
}

.btn-entrar:hover {
  background-color: #1D4ED8;
}

.btn-entrar:active {
  background-color: #1E40AF;
  transform: scale(0.98);
}

.btn-entrar:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ==========================================================================
   TELA DO QR CODE
   ========================================================================== */

.qr-bar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 8px;
  height: 58px;
  flex-shrink: 0;
}

.user-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  padding: 7px 14px;
  border-radius: 20px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.user-tag i {
  color: #2563EB;
}

.btn-sair {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #4B5563;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.15s ease;
}

.btn-sair:hover {
  background: #FEE2E2;
  color: #DC2626;
  border-color: #FCA5A5;
}

.qr-area {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background-color: #F0F0F0;
  position: relative;
  overflow: hidden;
}

#qrcode {
  /* Ocupa 80% da tela, na vertical (altura) ou na horizontal (largura) */
  width: min(80vw, 80vh);
  height: auto;
  aspect-ratio: 1 / 1;
  border: 16px solid #FFFFFF;
  background-color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border-radius: 16px;
}

#qrcode canvas, #qrcode img {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.qr-loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(240, 240, 240, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: #374151;
  z-index: 10;
}

.qr-loading i {
  font-size: 24px;
  color: #2563EB;
}

.qr-bar-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px 16px;
  height: 60px;
  flex-shrink: 0;
  gap: 8px;
}

.validity-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  padding: 8px 12px;
  border-radius: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.validity-info i {
  color: #10B981;
}

.qr-bar-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 12px 20px;
  height: 60px;
  flex-shrink: 0;
}

/* ==========================================================================
   VISIBILIDADE IMEDIATA (Zero flicker ao carregar ou recarregar página)
   ========================================================================== */

html.is-logged #loginView {
  display: none !important;
}

html.is-logged #qrView {
  display: flex !important;
}

html:not(.is-logged) #qrView {
  display: none !important;
}

html:not(.is-logged) #loginView {
  display: flex !important;
}