:root {
  --primary-color: #e0e0e0;
  --accent-color: #7c3aed;
  --accent-hover: #9333ea;
  --secondary-color: #6b7280;
  --background-color: #0f0f0f;
  --container-bg: #1a1a1a;
  --input-bg: #252525;
  --border-color: #2d2d2d;
  --border-color-check: #9233ea1f;
  --danger: #ef4444;
  --danger-bg: #880a0a28;
  --success: #22c55e;
  --warning: #f59e0b;
  --font-family: "Inter", sans-serif;
}

* { box-sizing: border-box; outline: 0; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--background-color);
  color: var(--primary-color);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── NAV ── */
.main-nav {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 20px 10px;
  z-index: 10;
}
.nav-btn {
  flex: 1;
  max-width: 160px;
  height: 44px;
  border: 1px solid var(--border-color);
  background: var(--container-bg);
  color: var(--secondary-color);
  border-radius: 12px;
  font-family: var(--font-family);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.nav-btn.active {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(124,58,237,0.35);
}
.nav-btn:not(.active):hover { border-color: var(--accent-color); color: var(--primary-color); }

/* ── MAIN ── */
.main-wrapper { flex:1; width:100%; display:flex; align-items:flex-start; justify-content:center; padding:24px 20px; }
.section { display:none; width:100%; max-width:540px; }
.section.active { display:block; }

/* ── CONTAINER ── */
.container {
  background: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* ── HEADER ── */
.header { margin-bottom: 24px; }
h1 {
  font-size: 2rem; font-weight: 700; margin-bottom: 6px;
  background: linear-gradient(135deg, #e0e0e0, #a78bfa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.subtitle { font-size: 14px; color: var(--secondary-color); }

/* ── TABS ── */
.tabs { display:flex; gap:6px; margin-bottom:20px; background:var(--input-bg); border-radius:10px; padding:4px; }
.tab {
  flex:1; height:36px; border:none; background:transparent; color:var(--secondary-color);
  border-radius:8px; font-family:var(--font-family); font-size:0.88rem; font-weight:600;
  cursor:pointer; transition:all 0.2s ease;
}
.tab.active { background:var(--accent-color); color:#fff; box-shadow:0 2px 8px rgba(124,58,237,0.4); }

/* ── STATS BAR ── */
.stats-bar {
  display:flex; align-items:center; gap:12px;
  background:var(--input-bg); border:1px solid var(--border-color);
  border-radius:14px; padding:14px 18px; margin-bottom:24px;
}
.stat { display:flex; flex-direction:column; align-items:center; gap:1px; min-width:36px; }
.stat-number { font-size:1.3rem; font-weight:600; color:var(--primary-color); line-height:1; transition:all 0.3s; }
.stat-label  { font-size:10px; letter-spacing:0.06em; text-transform:uppercase; color:var(--secondary-color); }
.stat-divider{ width:1px; height:28px; background:var(--border-color); }
.progress-wrap { flex:1; margin-left:4px; }
.progress-bar  { height:6px; background:var(--border-color); border-radius:99px; overflow:hidden; }
.progress-fill { height:100%; background:var(--accent-color); border-radius:99px; width:0%; transition:width 0.5s cubic-bezier(0.4,0,0.2,1); }

/* Botão limpar pegos */
.btn-limpar {
  display: none; /* aparece via JS quando há marcados */
  flex-shrink: 0;
  width: 32px; height: 32px;
  border: none; background: var(--danger-bg); color: var(--danger);
  border-radius: 8px; cursor: pointer; font-size: 0.9rem;
  align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.btn-limpar:hover { background: var(--danger); color: #fff; }

/* ── INPUTS ── */
.input-group { margin-bottom:8px; display:flex; gap:12px; }
input[type="text"], input[type="number"], input[type="time"], input[type="date"] {
  width:100%; font-size:1rem; height:50px; padding:0 18px;
  border:2px solid var(--border-color); background:var(--input-bg);
  border-radius:10px; color:var(--primary-color); font-family:var(--font-family);
  transition:all 0.3s ease;
}
input[type="number"], input[type="time"], input[type="date"] { height:46px; font-size:0.95rem; }
input:focus { border-color:var(--accent-color); background:var(--background-color); box-shadow:0 0 0 3px rgba(124,58,237,0.1); }
input::placeholder { color:var(--secondary-color); }
input.input-error { border-color:var(--danger)!important; box-shadow:0 0 0 3px rgba(239,68,68,0.1)!important; }

/* ── BOTÃO ADICIONAR ── */
.btn-adicionar {
  white-space:nowrap; width:30%; font-size:1.05rem; height:50px; border:none;
  background:linear-gradient(135deg,var(--accent-color),var(--accent-hover));
  color:#fff; border-radius:10px; cursor:pointer; font-weight:600;
  font-family:var(--font-family); transition:all 0.3s ease;
  box-shadow:0 4px 15px rgba(124,58,237,0.3);
}
.btn-adicionar:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(124,58,237,0.4); }

/* ── LISTA ── */
.lista-itens { list-style:none; margin-top:20px; }
.lista-itens li {
  background:var(--input-bg); padding:10px 14px; border-radius:10px;
  margin-bottom:10px; display:flex; flex-direction:column; gap:6px;
  border:1px solid var(--border-color); animation:aparecer 0.3s ease;
  transition:opacity 0.3s ease; overflow:hidden;
}
.lista-itens li.marcado {
  opacity:0.45; border-color:var(--border-color-check);
  box-shadow:0 1px 12px 4px var(--border-color-check);
}
.lista-itens li.marcado .texto-item { text-decoration:line-through; color:var(--secondary-color); }
.item-row { display:flex; align-items:flex-start; gap:10px; width:100%; min-width:0; }
.texto-item { flex:1; min-width:0; font-size:0.95rem; white-space:normal; overflow-wrap:break-word; word-break:break-word; line-height:1.4; }
.item-meta  { display:flex; align-items:center; gap:6px; padding-left:30px; }
.item-owner { font-size:0.7rem; color:var(--secondary-color); background:var(--background-color); border:1px solid var(--border-color); border-radius:4px; padding:1px 7px; white-space:nowrap; }

/* Data no histórico */
.hist-data { font-size:0.72rem; color:var(--secondary-color); white-space:nowrap; flex-shrink:0; }

/* Botão × remover */
.btn-remover {
  flex-shrink:0; width:28px; height:28px; padding:0;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; line-height:1; border:none;
  background:var(--danger-bg); color:var(--danger);
  border-radius:6px; cursor:pointer; transition:all 0.2s ease;
}
.btn-remover:hover { background:var(--danger); color:white; }

/* Checkbox item */
.checkbox-item {
  appearance:none; -webkit-appearance:none; width:20px; height:20px; min-width:20px;
  border:2px solid var(--border-color); border-radius:6px; background:var(--background-color);
  cursor:pointer; transition:all 0.2s ease; position:relative;
}
.checkbox-item:hover  { border-color:var(--accent-color); }
.checkbox-item:checked { background:var(--accent-color); border-color:var(--accent-color); }
.checkbox-item:checked::after {
  content:"✓"; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%); color:white; font-size:13px; font-weight:700; line-height:1;
}
.empty-state { text-align:center; padding:32px 16px; color:var(--secondary-color); font-size:0.9rem; }

/* ── PRÓXIMA DOSE ── */
.proxima-dose-card {
  display:flex; align-items:center; gap:14px; background:var(--input-bg);
  border:1px solid var(--accent-color); border-radius:14px; padding:14px 18px;
  margin-bottom:16px; box-shadow:0 0 20px rgba(124,58,237,0.1);
}
.proxima-icon  { font-size:1.6rem; }
.proxima-label { font-size:11px; text-transform:uppercase; letter-spacing:0.07em; color:var(--secondary-color); margin-bottom:2px; }
.proxima-info  { font-size:1rem; font-weight:600; }
.proxima-info .destaque { color:#a78bfa; }

/* ── ADESÃO SEMANAL ── */
.adesao-card {
  background:var(--input-bg); border:1px solid var(--border-color);
  border-radius:14px; padding:14px 18px; margin-bottom:20px;
}
.adesao-titulo { font-size:0.82rem; font-weight:600; color:var(--secondary-color); margin-bottom:10px; text-transform:uppercase; letter-spacing:0.05em; }
.adesao-barra-wrap { display:flex; align-items:center; gap:10px; margin-bottom:6px; }
.adesao-barra { flex:1; height:8px; background:var(--border-color); border-radius:99px; overflow:hidden; }
.adesao-fill  { height:100%; border-radius:99px; transition:width 0.6s ease, background 0.4s; background:var(--accent-color); }
.adesao-pct   { font-size:0.95rem; font-weight:700; min-width:38px; text-align:right; }
.adesao-detalhe { font-size:0.78rem; color:var(--secondary-color); }

/* ── FORM REMÉDIO ── */
.remedio-form-wrap { margin-bottom:24px; }
.btn-toggle-form {
  width:100%; height:46px; border:2px dashed var(--border-color); background:transparent;
  color:var(--secondary-color); border-radius:10px; font-family:var(--font-family);
  font-size:0.95rem; font-weight:600; cursor:pointer; transition:all 0.2s ease;
}
.btn-toggle-form:hover { border-color:var(--accent-color); color:var(--primary-color); }
.remedio-form {
  display:none; margin-top:12px; background:var(--input-bg); border:1px solid var(--border-color);
  border-radius:12px; padding:20px; flex-direction:column; gap:14px; animation:slideDown 0.2s ease;
}
.remedio-form.aberto { display:flex; }
.form-field { display:flex; flex-direction:column; gap:5px; flex:1; }
.form-row   { display:flex; gap:12px; }
.field-label{ font-size:11px; text-transform:uppercase; letter-spacing:0.06em; color:var(--secondary-color); }
.field-error{ font-size:12px; color:var(--danger); min-height:16px; }
.horarios-preview { display:none; flex-direction:column; gap:8px; background:var(--background-color); border:1px solid var(--border-color); border-radius:10px; padding:12px 16px; }
.horarios-preview.visivel { display:flex; }
.preview-titulo { font-size:11px; text-transform:uppercase; letter-spacing:0.06em; color:var(--secondary-color); }
.preview-grid   { display:flex; flex-wrap:wrap; gap:6px; }
.preview-tag    { font-size:0.8rem; padding:3px 10px; border-radius:6px; background:rgba(124,58,237,0.1); border:1px solid rgba(124,58,237,0.25); color:#a78bfa; }
.btn-salvar-rem { width:100%; height:50px; }

/* ── CARD REMÉDIO ── */
.remedio-card { background:var(--input-bg); border:1px solid var(--border-color); border-radius:12px; padding:16px; margin-bottom:12px; animation:aparecer 0.3s ease; }
.remedio-card-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:8px; }
.remedio-nome { font-size:1rem; font-weight:700; }
.remedio-meta { font-size:0.8rem; color:var(--secondary-color); margin-top:2px; }

/* Estoque */
.estoque-wrap {
  margin:8px 0 4px;
  padding:8px 10px;
  background:var(--background-color);
  border:1px solid var(--border-color);
  border-radius:8px;
}
.estoque-wrap.estoque-alerta { border-color:var(--warning); background:rgba(245,158,11,0.05); }
.estoque-label { font-size:0.78rem; color:var(--secondary-color); display:block; margin-bottom:6px; }
.estoque-wrap.estoque-alerta .estoque-label { color:var(--warning); }
.estoque-barra { height:5px; background:var(--border-color); border-radius:99px; overflow:hidden; }
.estoque-fill  { height:100%; background:var(--accent-color); border-radius:99px; transition:width 0.5s ease; }
.estoque-wrap.estoque-alerta .estoque-fill { background:var(--warning); }

.remedio-doses { display:flex; flex-direction:column; gap:6px; margin-top:10px; }
.dose-row { display:flex; align-items:center; justify-content:space-between; background:var(--background-color); border-radius:8px; padding:8px 12px; border:1px solid var(--border-color); }
.dose-hora   { font-size:0.9rem; font-weight:600; }
.dose-status { font-size:0.78rem; color:var(--secondary-color); flex:1; text-align:center; }
.dose-status.atrasado { color:var(--danger); }
.dose-status.tomado   { color:var(--success); }

/* Checkbox dose */
.checkbox-dose {
  appearance:none; -webkit-appearance:none; width:20px; height:20px; min-width:20px;
  border:2px solid var(--border-color); border-radius:6px; background:var(--background-color);
  cursor:pointer; transition:all 0.2s ease; position:relative;
}
.checkbox-dose:hover   { border-color:var(--success); }
.checkbox-dose:checked { background:var(--success); border-color:var(--success); }
.checkbox-dose:checked::after {
  content:"✓"; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%); color:white; font-size:13px; font-weight:700; line-height:1;
}

/* ── FOOTER ── */
.footer {
  width:100%; padding:20px 20px 32px; text-align:center; font-size:13px;
  color:var(--secondary-color); display:flex; flex-direction:column;
  align-items:center; gap:10px; border-top:1px solid var(--border-color);
}
.footer .heart { color:red; }
.pwa-install-wrap { display:flex; flex-direction:column; align-items:center; gap:6px; margin-top:4px; }
.btn-instalar {
  display:inline-flex; align-items:center; gap:8px; padding:11px 26px;
  border:1px solid var(--accent-color); background:transparent; color:#a78bfa;
  border-radius:10px; font-family:var(--font-family); font-size:0.9rem; font-weight:600;
  cursor:pointer; transition:all 0.25s ease;
}
.btn-instalar:hover { background:var(--accent-color); color:#fff; box-shadow:0 4px 15px rgba(124,58,237,0.35); transform:translateY(-1px); }
.btn-ativar-not {background:var(--border-color); color:#fff; padding: 8px 24px; border: none; border-radius: 4px};

/* ── ANIMAÇÕES ── */
@keyframes aparecer { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes slideDown { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:translateY(0)} }

/* ── MOBILE ── */
@media (max-width:600px) {
  .container { padding:28px 18px; }
  h1         { font-size:1.75rem; }
  .btn-adicionar { width:46%; }
  .form-row  { flex-direction:column; }
  .nav-btn   { font-size:0.78rem; gap:4px; }
}