/*
 * Design system do xPanel.
 *
 * Identidade própria: nada aqui imita layout, paleta ou nomenclatura de painel
 * de terceiros. Tema claro e escuro pelo mesmo conjunto de tokens, contraste
 * mínimo AA em texto, e nenhum recurso externo (a CSP não permite CDN).
 */

:root {
  color-scheme: light dark;

  --x-bg: #f6f7f9;
  --x-surface: #ffffff;
  --x-surface-2: #f0f2f5;
  --x-border: #dfe3e8;
  --x-border-strong: #c6ccd4;

  --x-text: #16191d;
  --x-text-soft: #5b6472;
  --x-text-faint: #838d9b;

  --x-accent: #1f6feb;
  --x-accent-soft: #e8f0fe;
  --x-accent-text: #ffffff;

  --x-ok: #16794a;
  --x-ok-soft: #e3f4ec;
  --x-warn: #9a6206;
  --x-warn-soft: #fdf1de;
  --x-danger: #b3261e;
  --x-danger-soft: #fdeceb;

  --x-radius: 10px;
  --x-radius-sm: 6px;
  --x-shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 4px 12px rgb(16 24 40 / 6%);
  --x-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  --x-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

[data-theme='dark'] {
  --x-bg: #0e1116;
  --x-surface: #161b22;
  --x-surface-2: #1c232c;
  --x-border: #2a323d;
  --x-border-strong: #3b4653;

  --x-text: #e8ecf1;
  --x-text-soft: #a4b0bf;
  --x-text-faint: #778494;

  --x-accent: #4d8ef7;
  --x-accent-soft: #16243d;
  --x-accent-text: #06101f;

  --x-ok: #4ec98d;
  --x-ok-soft: #10281d;
  --x-warn: #e0a33c;
  --x-warn-soft: #2b2114;
  --x-danger: #f0736a;
  --x-danger-soft: #2e1615;

  --x-shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 6px 18px rgb(0 0 0 / 30%);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--x-bg);
  color: var(--x-text);
  font: 15px/1.55 var(--x-sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--x-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0; font-weight: 620; letter-spacing: -0.01em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.125rem; }
h3 { font-size: 0.95rem; }

code, pre, .mono { font-family: var(--x-mono); font-size: 0.86em; }

/* ------------------------------------------------------------- marca */

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; }
.brand__mark {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(140deg, var(--x-accent), #7b3ff2);
  color: #fff; font-size: 16px; font-weight: 800;
}
.brand__name { font-size: 1.05rem; }
.brand__name em { font-style: normal; color: var(--x-text-faint); font-weight: 500; }

/* ------------------------------------------------------------ layout */

.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--x-surface);
  border-right: 1px solid var(--x-border);
  padding: 18px 14px;
  display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav__label {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--x-text-faint); font-weight: 700; padding: 12px 10px 4px;
}
.nav__item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--x-radius-sm);
  color: var(--x-text-soft); font-size: 0.9rem; font-weight: 500;
  border: none; background: none; cursor: pointer; text-align: left; width: 100%;
}
.nav__item:hover { background: var(--x-surface-2); color: var(--x-text); text-decoration: none; }
.nav__item[aria-current='page'] { background: var(--x-accent-soft); color: var(--x-accent); font-weight: 600; }
.nav__icon { width: 16px; text-align: center; opacity: 0.9; }

.main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 24px; border-bottom: 1px solid var(--x-border);
  background: var(--x-surface); position: sticky; top: 0; z-index: 5;
}
.topbar__actions { display: flex; align-items: center; gap: 8px; }

.content { padding: 24px; display: flex; flex-direction: column; gap: 20px; max-width: 1240px; width: 100%; }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--x-text-soft); font-size: 0.9rem; }

/* ------------------------------------------------------------ cartões */

.card {
  background: var(--x-surface);
  border: 1px solid var(--x-border);
  border-radius: var(--x-radius);
  overflow: hidden;
}
.card__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--x-border);
}
.card__body { padding: 16px; }
.card__body--flush { padding: 0; }

.grid { display: grid; gap: 16px; }
.grid--stats { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.stat { padding: 16px; }
.stat__label { font-size: 0.78rem; color: var(--x-text-soft); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.stat__value { font-size: 1.9rem; font-weight: 680; letter-spacing: -0.02em; margin-top: 4px; }
.stat__hint { font-size: 0.8rem; color: var(--x-text-faint); margin-top: 2px; }

/* -------------------------------------------------------------- tabela */

.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th {
  text-align: left; padding: 10px 16px; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--x-text-faint);
  border-bottom: 1px solid var(--x-border); white-space: nowrap;
}
.table td { padding: 11px 16px; border-bottom: 1px solid var(--x-border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--x-surface-2); }
.table__actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ------------------------------------------------------------ etiquetas */

.tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 0.76rem; font-weight: 600; white-space: nowrap;
  background: var(--x-surface-2); color: var(--x-text-soft);
}
.tag--ok { background: var(--x-ok-soft); color: var(--x-ok); }
.tag--warn { background: var(--x-warn-soft); color: var(--x-warn); }
.tag--danger { background: var(--x-danger-soft); color: var(--x-danger); }
.tag--accent { background: var(--x-accent-soft); color: var(--x-accent); }
.tag__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* -------------------------------------------------------------- botões */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 8px 14px; border-radius: var(--x-radius-sm);
  border: 1px solid var(--x-border-strong); background: var(--x-surface);
  color: var(--x-text); font: inherit; font-size: 0.875rem; font-weight: 550;
  cursor: pointer; white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--x-surface-2); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn--primary { background: var(--x-accent); border-color: var(--x-accent); color: var(--x-accent-text); }
.btn--primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn--danger { color: var(--x-danger); border-color: var(--x-danger); background: transparent; }
.btn--danger:hover:not(:disabled) { background: var(--x-danger-soft); }
.btn--ghost { border-color: transparent; background: transparent; color: var(--x-text-soft); }
.btn--ghost:hover:not(:disabled) { background: var(--x-surface-2); color: var(--x-text); }
.btn--sm { padding: 5px 10px; font-size: 0.8rem; }
.btn--block { width: 100%; }

/* ------------------------------------------------------------ formulário */

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field__label { font-size: 0.82rem; font-weight: 600; color: var(--x-text-soft); }
.field__hint { font-size: 0.78rem; color: var(--x-text-faint); }

.input, .select, .textarea {
  padding: 9px 11px; border-radius: var(--x-radius-sm);
  border: 1px solid var(--x-border-strong); background: var(--x-surface);
  color: var(--x-text); font: inherit; font-size: 0.9rem; width: 100%;
}
.input:focus, .select:focus, .textarea:focus {
  outline: 2px solid var(--x-accent); outline-offset: -1px; border-color: var(--x-accent);
}
.textarea { min-height: 110px; resize: vertical; font-family: var(--x-mono); font-size: 0.82rem; }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 14px; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }

/* --------------------------------------------------------------- avisos */

.notice {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 11px 14px; border-radius: var(--x-radius-sm);
  border: 1px solid var(--x-border); background: var(--x-surface-2);
  font-size: 0.88rem;
}
.notice--warn { background: var(--x-warn-soft); border-color: transparent; color: var(--x-warn); }
.notice--danger { background: var(--x-danger-soft); border-color: transparent; color: var(--x-danger); }
.notice--ok { background: var(--x-ok-soft); border-color: transparent; color: var(--x-ok); }
.notice--accent { background: var(--x-accent-soft); border-color: transparent; color: var(--x-accent); }
.notice strong { font-weight: 660; }

.empty { padding: 40px 20px; text-align: center; color: var(--x-text-faint); font-size: 0.9rem; }

/* -------------------------------------------------------------- diálogo */

.overlay {
  position: fixed; inset: 0; background: rgb(9 12 17 / 55%);
  display: grid; place-items: center; padding: 20px; z-index: 50;
}
.dialog {
  background: var(--x-surface); border: 1px solid var(--x-border);
  border-radius: var(--x-radius); box-shadow: var(--x-shadow);
  width: min(560px, 100%); max-height: 90vh; overflow-y: auto;
}
.dialog__head { padding: 16px; border-bottom: 1px solid var(--x-border); display: flex; justify-content: space-between; align-items: center; }
.dialog__body { padding: 16px; }

/* --------------------------------------------------------------- login */

.auth {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1100px 520px at 50% -8%, var(--x-accent-soft), var(--x-bg));
}
.auth__card {
  width: min(420px, 100%); background: var(--x-surface);
  border: 1px solid var(--x-border); border-radius: 14px;
  box-shadow: var(--x-shadow); padding: 28px;
}
.auth__head { text-align: center; margin-bottom: 22px; }
.auth__head .brand { justify-content: center; margin-bottom: 10px; }
.auth__head p { color: var(--x-text-soft); font-size: 0.88rem; margin: 0; }

/* ------------------------------------------------------------ diff/logs */

.diff {
  font-family: var(--x-mono); font-size: 0.78rem; line-height: 1.5;
  background: var(--x-surface-2); border-radius: var(--x-radius-sm);
  padding: 10px 12px; overflow-x: auto; white-space: pre; margin: 0;
}
.diff .add { color: var(--x-ok); }
.diff .del { color: var(--x-danger); }

.change-list { display: flex; flex-direction: column; gap: 6px; }
.change {
  display: flex; gap: 10px; align-items: baseline;
  padding: 8px 10px; border-radius: var(--x-radius-sm); background: var(--x-surface-2);
  font-size: 0.84rem;
}
.change__target { font-family: var(--x-mono); font-size: 0.78rem; color: var(--x-text-soft); word-break: break-all; }

/* ------------------------------------------------------------- utilidades */

.row { display: flex; align-items: center; gap: 10px; }
.row--between { justify-content: space-between; }
.row--wrap { flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.spacer { flex: 1; }
.muted { color: var(--x-text-soft); }
.faint { color: var(--x-text-faint); font-size: 0.85rem; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.hidden { display: none !important; }

.toasts { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast {
  padding: 11px 15px; border-radius: var(--x-radius-sm); box-shadow: var(--x-shadow);
  background: var(--x-surface); border: 1px solid var(--x-border);
  font-size: 0.88rem; max-width: 400px;
}
.toast--ok { border-left: 3px solid var(--x-ok); }
.toast--error { border-left: 3px solid var(--x-danger); }

.spinner {
  width: 15px; height: 15px; border-radius: 50%;
  border: 2px solid var(--x-border-strong); border-top-color: var(--x-accent);
  animation: spin 0.7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; align-items: center; overflow-x: auto; }
  .sidebar .nav { flex-direction: row; }
  .nav__label { display: none; }
  .content { padding: 16px; }
}