/* Design system — chattrack. Tema único claro. Referência de
   densidade/sobriedade: Linear, Intercom, Front. */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,600&family=Geist:wght@400;500;600&family=Geist+Mono:wght@400;500&display=swap');

:root {
  /* Marca Tractom */
  --color-brand: #111214;
  --color-brand-hover: #2b2d33;
  --color-brand-ink: #ffffff;
  --color-gold: #ebaf47;
  --color-ink: #111214;

  /* Semânticas */
  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-danger: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;
  --color-info: #2563eb;
  --color-info-bg: #eff6ff;

  /* Neutros */
  --color-bg: #f4f4f0;
  --color-surface: #ffffff;
  --color-surface-raised: #ffffff;
  --font-display: 'Bricolage Grotesque', 'Geist', sans-serif;
  --color-acc: #72E86F;
  --color-acc-soft: #E3FAE2;
  --color-border: #e6e6e0;
  --color-border-strong: #e3e3dc;
  --color-text: #111214;
  --color-text-muted: #5b5d63;
  --color-text-subtle: #6e7076;
  --color-text-on-brand: #ffffff;

  /* Tipografia */
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 11.5px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 18px;
  --font-size-xl: 22px;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 600;

  /* Espaçamento (escala 4px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Raio e sombra */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.06);
  --shadow-md: 0 4px 12px rgba(17, 24, 39, 0.08);
  --shadow-lg: 0 12px 32px rgba(17, 24, 39, 0.14);

  /* Estados de foco */
  --focus-ring: 0 0 0 2px #111214;

  --sidebar-bg: #fbfbf8;
  --sidebar-ink: #111214;
  --sidebar-muted: #3e4046;
  --sidebar-active-bg: #72E86F;
  --sidebar-active-ink: #111214;
}

/* Tema único claro: o sistema não tem modo escuro (os tokens de cor do
   index.html são só claros), então o navegador não deve inverter nada. */
:root { color-scheme: light; }

* { box-sizing: border-box; }

body.ds {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.ds a { color: var(--color-brand); text-decoration: none; }
.ds a:hover { text-decoration: underline; }

/* ---------- Tipografia utilitária ---------- */
.ds-h1 { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); margin: 0; }
.ds-h2 { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); margin: 0; }
.ds-muted { color: var(--color-text-muted); }
.ds-subtle { color: var(--color-text-subtle); font-size: var(--font-size-sm); }

/* ---------- Botões ---------- */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  padding: 9px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease, opacity 0.12s ease;
  line-height: 1.2;
}
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--color-brand); color: var(--color-text-on-brand); }
.btn-primary:hover:not(:disabled) { background: var(--color-brand-hover); }

.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border-strong); }
.btn-secondary:hover:not(:disabled) { background: var(--color-bg); }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #b91c1c; }

.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover:not(:disabled) { background: var(--color-bg); color: var(--color-text); }

.btn-sm { padding: 6px 11px; font-size: var(--font-size-xs); }

/* ---------- Inputs / Selects ---------- */
.field { display: flex; flex-direction: column; gap: var(--space-1); }
.label { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); color: var(--color-text); }

.input, .select, textarea.input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.input::placeholder { color: var(--color-text-subtle); }
.input:focus, .select:focus, textarea.input:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: var(--focus-ring);
}
.input.is-error, .select.is-error { border-color: var(--color-danger); }
.input:disabled, .select:disabled { background: var(--color-bg); color: var(--color-text-subtle); cursor: not-allowed; }

.field-error { font-size: var(--font-size-xs); color: var(--color-danger); }
.field-hint { font-size: var(--font-size-xs); color: var(--color-text-subtle); }

/* ---------- Badges / Tags ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 3px 9px;
  border-radius: var(--radius-full);
  line-height: 1.4;
}
.badge-neutral { background: var(--color-bg); color: var(--color-text-muted); border: 1px solid var(--color-border); }
.badge-brand { background: rgba(37,99,235, 0.12); color: var(--color-brand); }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-padded { padding: var(--space-6); }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.card-body { padding: var(--space-5); }

/* ---------- Tabelas ---------- */
.table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
.table th {
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); color: var(--color-text); }
.table tbody tr:hover { background: var(--color-bg); }
.table tbody tr:last-child td { border-bottom: none; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(17, 24, 39, 0.45);
  display: flex; align-items: center; justify-content: center; padding: var(--space-4);
  z-index: 100;
}
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 440px;
  max-height: 90vh; overflow-y: auto;
}
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-5); border-bottom: 1px solid var(--color-border); }
.modal-title { font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); margin: 0; }
.modal-body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); }
.modal-footer { display: flex; justify-content: flex-end; gap: var(--space-2); padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-border); }

/* ---------- Toast ---------- */
.toast-stack { position: fixed; bottom: var(--space-5); right: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); z-index: 200; }
.toast {
  display: flex; align-items: center; gap: var(--space-2);
  background: var(--color-ink); color: #fff;
  font-size: var(--font-size-sm); font-weight: var(--font-weight-medium);
  padding: 11px 16px; border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  animation: ds-toast-in 0.18s ease;
}
.toast.success { background: var(--color-success); }
.toast.danger { background: var(--color-danger); }
@keyframes ds-toast-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Estado vazio ---------- */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: var(--space-10) var(--space-6); color: var(--color-text-muted); }
.empty-state-icon { width: 40px; height: 40px; margin-bottom: var(--space-3); color: var(--color-text-subtle); }
.empty-state-title { font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); color: var(--color-text); margin-bottom: var(--space-1); }

/* ---------- Skeleton (loading) ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 37%, var(--color-border) 63%);
  background-size: 400% 100%;
  animation: ds-skeleton 1.4s ease infinite;
  border-radius: var(--radius-sm);
}
@keyframes ds-skeleton { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ---------- Shell: sidebar + header ---------- */
.ds-shell { display: flex; min-height: 100vh; background: var(--color-bg); }
.ds-sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--sidebar-bg); color: var(--sidebar-ink); border-right: 1px solid var(--color-border);
  display: flex; flex-direction: column; padding: var(--space-5) var(--space-3);
}
.ds-sidebar-logo { display: flex; align-items: center; gap: var(--space-2); padding: 0 var(--space-2); margin-bottom: var(--space-6); font-weight: var(--font-weight-bold); font-size: var(--font-size-md); }
.ds-sidebar-logo .mark { width: 28px; height: 28px; border-radius: var(--radius-sm); background: var(--color-brand); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ds-nav { display: flex; flex-direction: column; gap: 2px; }
.ds-nav-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 9px var(--space-3); border-radius: var(--radius-md);
  color: var(--sidebar-muted); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium);
  cursor: pointer; border: none; background: transparent; width: 100%; text-align: left;
}
.ds-nav-item:hover { background: #eeeee8; color: var(--color-text); }
.ds-nav-item.active { background: var(--sidebar-active-bg); color: var(--sidebar-active-ink); }
.ds-nav-item svg { flex-shrink: 0; }
.ds-sidebar-spacer { flex-grow: 1; }

.ds-main { flex-grow: 1; min-width: 0; display: flex; flex-direction: column; }
.ds-header {
  display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface); border-bottom: 1px solid var(--color-border);
}
.ds-user { display: flex; align-items: center; gap: var(--space-2); font-size: var(--font-size-sm); }
.ds-user-avatar {
  width: 28px; height: 28px; border-radius: var(--radius-full);
  background: var(--color-brand); color: #fff; font-weight: var(--font-weight-semibold);
  display: flex; align-items: center; justify-content: center; font-size: var(--font-size-xs);
}
.ds-content { flex-grow: 1; padding: var(--space-6); overflow-y: auto; }

/* ---------- Auth pages (login) ---------- */
.ds-auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--color-bg); padding: var(--space-4); }
.ds-auth-card { width: 100%; max-width: 380px; }
.ds-auth-logo { display: flex; justify-content: center; margin-bottom: var(--space-5); }
.ds-auth-logo .mark { width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--color-brand); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: var(--font-weight-bold); font-size: var(--font-size-lg); }