:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e0e0e0;
  --accent: #2f6fed;
  --accent-fg: #ffffff;
  --sidebar-bg: #f7f7f8;

  /* extended tokens -- additive, o sistema acima continua sendo a fonte de
     verdade pra light/dark, só ampliamos com o que faltava. */
  --surface: #fbfbfc;
  --surface-hover: #f1f2f4;
  --danger: #d63333;
  --danger-bg: #fdecec;
  --badge-yes-bg: #e6f4ea;
  --badge-yes-fg: #1e7d34;
  --badge-no-bg: #eef0f2;
  --badge-no-fg: #5f6368;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a;
    --fg: #e8e8e8;
    --muted: #9a9a9a;
    --border: #2c2d31;
    --accent: #6c9bff;
    --accent-fg: #0b1220;
    --sidebar-bg: #1d1e22;

    --surface: #1b1c20;
    --surface-hover: #26272c;
    --danger: #f27272;
    --danger-bg: rgba(210, 51, 51, 0.15);
    --badge-yes-bg: rgba(46, 160, 67, 0.16);
    --badge-yes-fg: #4fd57a;
    --badge-no-bg: rgba(255, 255, 255, 0.06);
    --badge-no-fg: #a2a2a2;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  }
}
/* o toggle de tema da própria página (se existir) tem prioridade sobre o
   prefers-color-scheme do sistema, nos dois sentidos. */
:root[data-theme="dark"] {
  --bg: #16171a;
  --fg: #e8e8e8;
  --muted: #9a9a9a;
  --border: #2c2d31;
  --accent: #6c9bff;
  --accent-fg: #0b1220;
  --sidebar-bg: #1d1e22;
  --surface: #1b1c20;
  --surface-hover: #26272c;
  --danger: #f27272;
  --danger-bg: rgba(210, 51, 51, 0.15);
  --badge-yes-bg: rgba(46, 160, 67, 0.16);
  --badge-yes-fg: #4fd57a;
  --badge-no-bg: rgba(255, 255, 255, 0.06);
  --badge-no-fg: #a2a2a2;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
}
:root[data-theme="light"] {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e0e0e0;
  --accent: #2f6fed;
  --accent-fg: #ffffff;
  --sidebar-bg: #f7f7f8;
  --surface: #fbfbfc;
  --surface-hover: #f1f2f4;
  --danger: #d63333;
  --danger-bg: #fdecec;
  --badge-yes-bg: #e6f4ea;
  --badge-yes-fg: #1e7d34;
  --badge-no-bg: #eef0f2;
  --badge-no-fg: #5f6368;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-weight: 650; letter-spacing: -0.01em; }

.shell { display: flex; min-height: 100vh; }

/* ---------------------------------------------------------------- sidebar */
.sidebar {
  width: 250px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  padding: var(--space-2) var(--space-2) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.brand::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  flex-shrink: 0;
}
.nav-group {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: var(--space-4) var(--space-2) var(--space-1);
}
.nav-group:first-of-type { margin-top: 0; }
.sidebar a {
  display: block;
  padding: 0.45rem var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--fg);
  text-decoration: none;
  font-size: 0.9rem;
  border-left: 2px solid transparent;
  transition: background-color 0.1s ease, color 0.1s ease;
}
.sidebar a:hover { background: var(--surface-hover); }
.sidebar a.active {
  background: var(--surface-hover);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}
.logout-form { margin-top: auto; padding-top: var(--space-4); }
.logout-form button {
  width: 100%;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 0.8rem;
}
.logout-form button:hover { background: var(--surface-hover); color: var(--fg); }

/* ----------------------------------------------------------------- content */
.content { flex: 1; padding: var(--space-6); max-width: 960px; }

.page-header {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}
.page-header h1 { margin: 0 0 var(--space-1); font-size: 1.5rem; }
.page-subtitle { margin: 0; color: var(--muted); font-size: 0.9rem; max-width: 60ch; }

h2 {
  font-size: 1.05rem;
  margin: var(--space-6) 0 var(--space-3);
}

/* ------------------------------------------------------------------- table */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--bg);
  box-shadow: var(--shadow-sm);
}
table.settings-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.settings-table th, table.settings-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: middle;
}
table.settings-table th {
  background: var(--surface);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
table.settings-table tbody tr:last-child td { border-bottom: none; }
table.settings-table tbody tr:nth-child(even) { background: var(--surface); }
table.settings-table tbody tr:hover { background: var(--surface-hover); }

table.settings-table td code, table.settings-table td .masked-text {
  font-family: var(--font-mono);
  font-size: 0.83em;
}
code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface-hover);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}
.empty-state {
  text-align: center;
  color: var(--muted);
  padding: var(--space-6) var(--space-4) !important;
  font-size: 0.88rem;
}

.muted { color: var(--muted); font-size: 0.85rem; }
.error {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
  font-size: 0.88rem;
}

/* ------------------------------------------------------------------- forms */
form.inline-form, form.stacked-form { display: inline; }
form.inline-form { display: inline-flex; gap: var(--space-2); align-items: center; }
form.stacked-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 460px;
  margin-top: var(--space-2);
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
form.stacked-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}
input, textarea, select {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--fg);
  transition: border-color 0.1s ease, box-shadow 0.1s ease;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}
textarea { font-family: var(--font-mono); font-size: 0.83rem; resize: vertical; }

/* ------------------------------------------------------------------ buttons */
button, .btn {
  padding: 0.4rem 0.8rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-fg);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: filter 0.1s ease, background-color 0.1s ease;
}
button:hover, .btn:hover { filter: brightness(1.08); }
button:active, .btn:active { filter: brightness(0.96); }

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface-hover); filter: none; }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--border);
}
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); filter: none; }

/* ------------------------------------------------------------------- badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
}
.badge-yes { background: var(--badge-yes-bg); color: var(--badge-yes-fg); }
.badge-no { background: var(--badge-no-bg); color: var(--badge-no-fg); }

/* --------------------------------------------------------------- masked UI */
/* Nota de segurança: esta máscara é só conveniência visual (evita ombro/
   tela-compartilhada). O valor real já está no DOM (atributo data-value,
   renderizado server-side pelo Jinja) -- não é controle de acesso. */
.masked-field { display: inline-flex; align-items: center; gap: 0.35rem; }
.masked-text {
  font-family: var(--font-mono);
  font-size: 0.83em;
  letter-spacing: 1px;
  user-select: none;
  color: var(--fg);
}
.masked-text.revealed { user-select: text; letter-spacing: normal; }
.eye-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1;
  opacity: 0.75;
}
.eye-btn:hover { opacity: 1; background: var(--surface-hover); filter: none; }

/* -------------------------------------------------------------------- login */
.login-page { display: flex; align-items: center; justify-content: center; height: 100vh; background: var(--sidebar-bg); }
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 320px;
  background: var(--bg);
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.login-form h1 { margin: 0 0 var(--space-2); font-size: 1.3rem; }
.login-form label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.login-form button { margin-top: var(--space-2); }