:root {
  --verde: #157A3C;
  --verde-escuro: #0f5c2d;
  --lima: #A2CE38;
  --bg: #f4f6f4;
  --card: #ffffff;
  --borda: #e2e6e2;
  --texto: #1d2620;
  --muted: #6b7a70;
  --erro: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--bg);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--verde);
  color: #fff;
}
header h1 { font-size: 1.2rem; margin: 0; }
.header-user { display: flex; align-items: center; gap: 12px; font-size: .85rem; }

/* ---- login ---- */
.login {
  max-width: 340px;
  margin: 8vh auto;
  background: var(--card);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login h2 { margin: 0 0 8px; font-size: 1.1rem; }
.login label { display: flex; flex-direction: column; gap: 4px; font-size: .82rem; color: var(--muted); }

input, select {
  padding: 9px 10px;
  border: 1px solid var(--borda);
  border-radius: 8px;
  font-size: .92rem;
  background: #fff;
  color: var(--texto);
}
input:focus, select:focus { outline: 2px solid var(--lima); border-color: var(--lima); }

/* ---- botões ---- */
button { cursor: pointer; font-size: .88rem; border-radius: 8px; border: 1px solid transparent; }
.btn-primary { background: var(--verde); color: #fff; padding: 10px 14px; font-weight: 600; }
.btn-primary:hover { background: var(--verde-escuro); }
.btn-ghost { background: transparent; color: inherit; border: 1px solid currentColor; padding: 6px 10px; }
.btn-acao {
  margin-top: 8px;
  width: 100%;
  background: var(--lima);
  color: #1d2620;
  padding: 7px 10px;
  font-weight: 600;
  border: none;
}
.btn-acao:hover { filter: brightness(.95); }

.erro { color: var(--erro); font-size: .82rem; margin: 4px 0 0; }

/* ---- board ---- */
main { padding: 16px 20px; }
.board-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.board-status { font-size: .82rem; color: var(--muted); }

.colunas {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
  align-items: flex-start;
}
.coluna {
  flex: 0 0 240px;
  background: #eef1ee;
  border: 1px solid var(--borda);
  border-radius: 10px;
  padding: 10px;
  min-height: 80px;
}
.coluna-titulo {
  font-size: .8rem;
  font-weight: 700;
  color: var(--verde-escuro);
  text-transform: uppercase;
  letter-spacing: .02em;
  margin-bottom: 10px;
}

.card {
  background: var(--card);
  border: 1px solid var(--borda);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.card-pet { font-weight: 600; font-size: .92rem; }
.card-tutor { font-size: .82rem; color: var(--muted); }
.card-meta { font-size: .72rem; color: var(--muted); margin-top: 4px; }

/* ---- modal ---- */
dialog {
  border: none;
  border-radius: 12px;
  padding: 0;
  max-width: 560px;
  width: 92%;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
dialog::backdrop { background: rgba(0,0,0,.4); }
#formCadastro { padding: 20px; }
#formCadastro h3 { margin: 0 0 12px; }
fieldset { border: 1px solid var(--borda); border-radius: 8px; margin: 0 0 14px; padding: 12px; }
legend { font-size: .82rem; font-weight: 700; color: var(--verde-escuro); padding: 0 6px; }
#formCadastro label { display: flex; flex-direction: column; gap: 4px; font-size: .78rem; color: var(--muted); margin-bottom: 8px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.modal-acoes { display: flex; justify-content: flex-end; gap: 10px; }

@media (max-width: 560px) {
  .grid2 { grid-template-columns: 1fr; }
  .coluna { flex-basis: 80vw; }
}