:root {
  --cor-fundo: #f2f2f7;
  --cor-cartao: rgba(255, 255, 255, 0.78);
  --cor-cartao-solida: #ffffff;
  --cor-texto: #1c1c1e;
  --cor-texto-secundario: #6b7280;
  --cor-destaque: #6366f1;
  --cor-destaque-forte: #4f46e5;
  --gradiente-destaque: linear-gradient(135deg, #818cf8, #6366f1 55%, #4f46e5);
  --cor-borda: rgba(60, 60, 67, 0.12);
  --cor-perigo: #ef4444;
  --altura-abas: 68px;
  --raio-cartao: 18px;
  --raio-botao: 14px;
  --sombra-cartao: 0 1px 2px rgba(30, 30, 45, 0.04), 0 8px 24px rgba(30, 30, 45, 0.06);
  --sombra-fab: 0 8px 20px rgba(79, 70, 229, 0.35), 0 2px 6px rgba(79, 70, 229, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root {
    --cor-fundo: #000000;
    --cor-cartao: rgba(28, 28, 30, 0.78);
    --cor-cartao-solida: #1c1c1e;
    --cor-texto: #f2f2f7;
    --cor-texto-secundario: #9ca3af;
    --cor-destaque: #818cf8;
    --cor-destaque-forte: #6366f1;
    --gradiente-destaque: linear-gradient(135deg, #a5b4fc, #818cf8 55%, #6366f1);
    --cor-borda: rgba(255, 255, 255, 0.1);
    --sombra-cartao: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    --sombra-fab: 0 8px 20px rgba(99, 102, 241, 0.45), 0 2px 8px rgba(0, 0, 0, 0.4);
  }
}

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--cor-fundo);
  color: var(--cor-texto);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#conteudo {
  padding: max(env(safe-area-inset-top, 16px), 16px) 16px calc(var(--altura-abas) + 28px);
  min-height: 100%;
  animation: entrar-conteudo 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes entrar-conteudo {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 4px 0 3px;
}

h2 {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.subtitulo {
  color: var(--cor-texto-secundario);
  margin: 0 0 16px;
  line-height: 1.35;
}

.cartao {
  background: var(--cor-cartao);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio-cartao);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: var(--sombra-cartao);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cartao:active {
  transform: scale(0.985);
}

.linha-compromisso {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  background: var(--cor-cartao);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio-cartao);
  margin-bottom: 9px;
  cursor: pointer;
  border-left: none;
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
  box-shadow: var(--sombra-cartao);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.linha-compromisso:active {
  transform: scale(0.98);
}

.linha-compromisso .barra-categoria {
  width: 4px;
  align-self: stretch;
  border-radius: 3px;
  flex-shrink: 0;
}

.linha-compromisso .icone-categoria {
  font-size: 1.25rem;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(127, 127, 140, 0.12);
}

.linha-compromisso .info {
  flex: 1;
  min-width: 0;
}

.linha-compromisso .titulo {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.linha-compromisso .subinfo {
  font-size: 0.8rem;
  color: var(--cor-texto-secundario);
  margin-top: 1px;
}

.linha-compromisso .horario {
  font-variant-numeric: tabular-nums;
  color: var(--cor-texto-secundario);
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.secao-titulo {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--cor-texto-secundario);
  margin: 22px 2px 9px;
}

.vazio {
  color: var(--cor-texto-secundario);
  text-align: center;
  padding: 28px 16px;
  font-size: 0.92rem;
}

#abas {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--altura-abas) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--cor-cartao);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  border-top: 1px solid var(--cor-borda);
  display: flex;
  z-index: 10;
}

.aba {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--cor-texto-secundario);
  font: inherit;
  font-size: 0.62rem;
  font-weight: 500;
  padding: 6px 2px;
  transition: color 0.15s ease;
}

.aba-icone {
  font-size: 1.2rem;
  line-height: 1;
  padding: 3px 12px;
  border-radius: 12px;
  transition: background 0.2s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.aba.ativa {
  color: var(--cor-destaque-forte);
}

.aba.ativa .aba-icone {
  background: rgba(99, 102, 241, 0.14);
  transform: translateY(-1px) scale(1.06);
}

.aba-rotulo {
  transition: opacity 0.15s ease;
}

button.botao {
  background: var(--gradiente-destaque);
  color: white;
  border: none;
  border-radius: var(--raio-botao);
  padding: 13px;
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

button.botao:active {
  transform: scale(0.98);
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

button.botao:disabled {
  opacity: 0.6;
}

button.botao-secundario {
  background: var(--cor-borda);
  color: var(--cor-texto);
  box-shadow: none;
}

button.botao-perigo {
  background: linear-gradient(135deg, #f87171, var(--cor-perigo));
  color: white;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

button.fab {
  position: fixed;
  right: 20px;
  bottom: calc(var(--altura-abas) + env(safe-area-inset-bottom, 0px) + 16px);
  width: 58px;
  height: 58px;
  border-radius: 29px;
  background: var(--gradiente-destaque);
  color: white;
  border: none;
  font-size: 1.7rem;
  line-height: 1;
  box-shadow: var(--sombra-fab);
  z-index: 10;
  transition: transform 0.16s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.16s ease;
}

button.fab:active {
  transform: scale(0.92);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.sobreposicao {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 20;
  display: flex;
  align-items: flex-end;
  animation: entrar-fundo 0.22s ease;
}

@keyframes entrar-fundo {
  from { opacity: 0; }
  to { opacity: 1; }
}

.sobreposicao.oculto {
  display: none;
}

.folha {
  background: var(--cor-fundo);
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  border-radius: 20px 20px 0 0;
  padding: 10px 16px calc(env(safe-area-inset-bottom, 0px) + 16px);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.2);
  animation: subir-folha 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.folha::before {
  content: "";
  display: block;
  width: 36px;
  height: 5px;
  border-radius: 3px;
  background: var(--cor-borda);
  margin: 4px auto 14px;
}

@keyframes subir-folha {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.folha-cabecalho {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.folha-cabecalho strong {
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.folha-cabecalho button {
  background: none;
  border: none;
  color: var(--cor-destaque-forte);
  font-size: 1rem;
  font-weight: 600;
  font: inherit;
  padding: 4px 8px;
  transition: opacity 0.12s ease;
}

.folha-cabecalho button:active {
  opacity: 0.5;
}

.campo {
  margin-bottom: 14px;
}

.campo label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--cor-texto-secundario);
  margin-bottom: 5px;
}

.campo input,
.campo select,
.campo textarea,
.campo-texto {
  width: 100%;
  padding: 11px 12px;
  border-radius: 11px;
  border: 1px solid var(--cor-borda);
  background: var(--cor-cartao-solida);
  color: var(--cor-texto);
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.campo input:focus,
.campo select:focus,
.campo textarea:focus,
.campo-texto:focus {
  outline: none;
  border-color: var(--cor-destaque);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.linha-toque {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 14px;
  background: var(--cor-cartao);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid var(--cor-borda);
  border-radius: 13px;
  margin-bottom: 8px;
  box-shadow: var(--sombra-cartao);
  transition: transform 0.12s ease;
}

.linha-toque:active {
  transform: scale(0.985);
}

.linha-toque input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--cor-destaque-forte);
}

.concluido {
  text-decoration: line-through;
  color: var(--cor-texto-secundario);
}

.campo-texto {
  margin: 8px 0 16px;
}

.carregando {
  color: var(--cor-texto-secundario);
  font-size: 0.9rem;
}