/* Assistente Pessoal — sistema de design (claro/escuro). */
:root {
  color-scheme: light dark;
  --brand-600: #2f6df6;
  --brand-700: #2457d6;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #e2e5ea;
  --text: #16181d;
  --text-2: #4a4f59;
  --text-3: #8a909c;
  --green: #1f9d55;
  --red: #d6455d;
  --amber: #e6911e;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}
:root:not([data-theme="light"]) {
  @media (prefers-color-scheme: dark) {
    --bg: #121316; --surface: #1c1e22; --surface-2: #26282d; --border: #30333a;
    --text: #eceef2; --text-2: #b7bcc6; --text-3: #818896; --shadow: 0 1px 3px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"] {
  --bg: #121316; --surface: #1c1e22; --surface-2: #26282d; --border: #30333a;
  --text: #eceef2; --text-2: #b7bcc6; --text-3: #818896; --shadow: 0 1px 3px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
input, select, textarea, button { font-family: inherit; color: var(--text); }

/* Layout */
.app-root { min-height: 100vh; }
.screen { min-height: 100vh; }
.content { max-width: 720px; margin: 0 auto; padding: 16px; }
.content.tight { max-width: 640px; }
.row { display: flex; align-items: center; gap: 8px; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.small { font-size: .82rem; }
.muted { color: var(--text-3); }
.center { text-align: center; }

/* App bar */
.appbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.appbar .title { font-weight: 700; font-size: 1.05rem; }
.appbar .subtitle { font-size: .78rem; color: var(--text-3); }
.appbar .icon-btn { margin-left: auto; }
.icon-btn { background: none; border: 0; cursor: pointer; color: var(--text-2); padding: 6px; border-radius: 8px; display: inline-flex; }
.icon-btn:hover { background: var(--surface-2); }
.icon-btn svg { width: 22px; height: 22px; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.card-pad { padding: 14px 16px; }
.card-row { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.card-row:last-child { border-bottom: 0; }
.rp-title { display: block; font-weight: 600; }
.rp-sub { display: block; font-size: .82rem; color: var(--text-2); margin-top: 2px; }
.section-title { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-3); margin: 18px 2px 8px; font-weight: 700; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 10px 16px; border-radius: 10px; font-weight: 600; font-size: .92rem; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--brand-600); border-color: var(--brand-600); color: #fff; }
.btn.primary:hover { background: var(--brand-700); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--red); border-color: var(--red); }
.btn.block { width: 100%; }
.btn.sm { padding: 6px 12px; font-size: .82rem; }
.btn:disabled { opacity: .55; cursor: default; }
.btn svg { width: 18px; height: 18px; }

/* Forms */
.field { margin-bottom: 12px; }
.field label { display: block; font-size: .8rem; color: var(--text-2); margin-bottom: 4px; }
.input, input[type=text], input[type=email], input[type=password], input[type=search], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); font-size: .95rem; }
.input:focus, input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-600); outline-offset: -1px; border-color: var(--brand-600); }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px; font-size: .72rem; font-weight: 700; background: var(--surface-2); color: var(--text-2); }
.badge.green { background: rgba(31,157,85,.15); color: var(--green); }
.badge.red { background: rgba(214,69,93,.15); color: var(--red); }
.badge.amber { background: rgba(230,145,30,.15); color: var(--amber); }
.badge.brand { background: rgba(47,109,246,.15); color: var(--brand-600); }

/* Empty / loading / hint */
.empty { text-align: center; color: var(--text-3); padding: 48px 16px; }
.empty svg { width: 40px; height: 40px; opacity: .5; display: block; margin: 0 auto 10px; }
.loading { text-align: center; color: var(--text-3); padding: 28px; }
.spinner { width: 24px; height: 24px; border: 3px solid var(--border); border-top-color: var(--brand-600); border-radius: 50%; animation: spin .7s linear infinite; margin: 0 auto 10px; }
@keyframes spin { to { transform: rotate(360deg); } }
.hint { display: flex; gap: 10px; background: var(--surface-2); border-radius: 10px; padding: 12px; color: var(--text-2); font-size: .88rem; }
.hint svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 360px; }
.login-logo { width: 56px; height: 56px; border-radius: 14px; margin: 0 auto 14px; display: block; }

/* Toast */
.toast-host { position: fixed; left: 0; right: 0; bottom: 20px; display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 1000; pointer-events: none; }
.toast { background: #222; color: #fff; padding: 10px 16px; border-radius: 10px; font-size: .88rem; box-shadow: 0 4px 16px rgba(0,0,0,.3); display: inline-flex; gap: 8px; align-items: center; }
.toast svg { width: 16px; height: 16px; }

/* Modal / bottom sheet */
.modal-host { position: fixed; inset: 0; z-index: 900; display: flex; align-items: flex-end; justify-content: center; }
.modal-host[hidden] { display: none; }
.modal-host .backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.4); }
.sheet { position: relative; width: 100%; max-width: 560px; background: var(--surface); border-radius: 16px 16px 0 0; padding: 18px 18px 26px; max-height: 88vh; overflow: auto; }
.sheet h3 { margin: 0 0 2px; font-size: 1.05rem; }
.sheet .sheet-sub { color: var(--text-3); font-size: .82rem; margin-bottom: 12px; }
@media (min-width: 640px) { .modal-host { align-items: center; } .sheet { border-radius: 16px; } }