/* ROTA LIVE — design system das páginas administrativas (control, preview, history, login). */

:root {
  --bg: #0A0A0A;
  --surface: #121212;
  --surface-2: #181818;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --ink: #FFFFFF;
  --ink-2: #A1A1AA;
  --ink-3: #6B6B72;
  --accent: #8FA8FF;
  --accent-ink: #0A0A0A;
  --danger: #F87171;
  --ok: #4ADE80;
  --radius: 18px;
  --radius-sm: 12px;
  --t: 200ms cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.admin--center { min-height: 100vh; display: grid; place-items: center; padding: 24px; }

a { color: inherit; }
h1, h2, h3, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  z-index: 10;
}
.topbar__left, .topbar__right { display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: inline-block; }
.brand-name { font-weight: 700; letter-spacing: 0.14em; font-size: 12px; }
.nav { display: flex; gap: 4px; }
.nav a {
  text-decoration: none;
  color: var(--ink-2);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 13px;
  transition: color var(--t), background var(--t);
}
.nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.05); }
.nav a[aria-current="page"] { color: var(--ink); background: rgba(255, 255, 255, 0.07); }

/* ---------- status de conexão ---------- */
.conn { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2); letter-spacing: 0.08em; text-transform: uppercase; }
.conn::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.conn[data-status="online"]::before { background: var(--ok); }
.conn[data-status="reconnecting"]::before { background: #FBBF24; }
.conn[data-status="offline"]::before { background: var(--danger); }

/* ---------- layout ---------- */
.page { max-width: 1240px; margin: 0 auto; padding: 24px; }
.page__title { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 6px; }
.page__sub { color: var(--ink-2); font-size: 14px; margin-bottom: 22px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.panel + .panel { margin-top: 16px; }
.panel__title {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
  margin-bottom: 14px;
}

/* ---------- forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field__label { font-size: 13.5px; color: var(--ink-2); letter-spacing: 0.04em; }
.input, .textarea, .select {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  color: var(--ink);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(143, 168, 255, 0.18); }
.textarea { min-height: 72px; resize: vertical; }
.input--lg { font-size: 22px; font-weight: 600; padding: 14px 16px; }

/* segmented choices */
.choices { display: flex; flex-wrap: wrap; gap: 6px; }
.choices label { position: relative; }
.choices input { position: absolute; opacity: 0; width: 0; height: 0; }
.choices span {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 14.5px;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
  user-select: none;
}
.choices span:hover { border-color: var(--line-strong); color: var(--ink); }
.choices input:checked + span { background: var(--ink); color: var(--accent-ink); border-color: var(--ink); font-weight: 600; }
.choices input:focus-visible + span { box-shadow: 0 0 0 3px rgba(143, 168, 255, 0.35); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--t), border-color var(--t), transform var(--t), opacity var(--t);
}
.btn:hover { background: #222; border-color: rgba(255, 255, 255, 0.24); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }
.btn--primary { background: var(--ink); color: var(--accent-ink); border-color: var(--ink); }
.btn--primary:hover { background: #E8E8E8; border-color: #E8E8E8; }
.btn--accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--accent:hover { background: #A5B9FF; border-color: #A5B9FF; }
.btn--ghost { background: transparent; }
.btn--danger { color: var(--danger); }
.btn--block { width: 100%; }
.btn--lg { padding: 18px 20px; font-size: 15px; }
.btn .kbd {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(0, 0, 0, 0.12);
  opacity: 0.7;
  font-variant-numeric: tabular-nums;
}
.btn--primary .kbd, .btn--accent .kbd { background: rgba(0, 0, 0, 0.12); }
.btn:not(.btn--primary):not(.btn--accent) .kbd { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.08); }

/* ---------- notices ---------- */
.notice {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}
.notice--error { border-color: rgba(248, 113, 113, 0.35); color: #FECACA; background: rgba(248, 113, 113, 0.08); }
.notice--ok { border-color: rgba(74, 222, 128, 0.3); color: #BBF7D0; background: rgba(74, 222, 128, 0.06); }

/* ---------- misc ---------- */
.muted { color: var(--ink-2); }
.small { font-size: 13.5px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--ink-3); font-weight: 600; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }

.pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
}
.pill--accent { color: var(--accent); border-color: rgba(143, 168, 255, 0.4); }

/* auth */
.auth { width: 100%; max-width: 380px; }
.auth__brand { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.auth__title { font-size: 20px; font-weight: 600; margin-bottom: 18px; }
.auth__form { display: flex; flex-direction: column; gap: 14px; }

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 1ms !important; animation-duration: 1ms !important; }
}