/* ============================================================
   ADS AGENT AI — Sistema visual compartilhado
   Paleta: fundo verde-carvão profundo (não preto puro), assinatura
   em verde-agente reservado a IA/ações vivas, mono técnico para
   dados. Ver /public/assets/README-design.md para o racional.
   ============================================================ */

:root {
  /* Superfícies */
  --bg: #0a0f0d;
  --bg-elevated: #0f1512;
  --surface: #141c18;
  --surface-2: #1a2420;
  --border: #223028;
  --border-soft: #1a2420;

  /* Texto */
  --text: #eef2ee;
  --text-muted: #8ea198;
  --text-faint: #5c6d65;

  /* Assinatura — verde-agente, reservado a IA/ações vivas/sucesso */
  --agent: #baf179;
  --agent-dim: #8bc257;
  --agent-wash: rgba(186, 241, 121, 0.09);

  /* Secundário — usado em insights/análises (distingue "a IA analisou"
     de "a IA agiu", que usa --agent) */
  --insight: #7dd3c0;
  --insight-wash: rgba(125, 211, 192, 0.09);

  /* Estado */
  --warn: #f0b429;
  --warn-wash: rgba(240, 180, 41, 0.09);
  --danger: #ef5350;
  --danger-wash: rgba(239, 83, 80, 0.09);

  /* Tipografia */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;

  /* Escala de espaçamento */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px;
  --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;

  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px;
  --sidebar-w: 248px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, input, select, textarea { font-family: inherit; }

/* ============ Layout base: sidebar fixa + conteúdo ============ */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  padding: var(--sp-5) var(--sp-4);
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0 var(--sp-2) var(--sp-5);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border-soft);
}

.brand-pulse {
  position: relative;
  width: 12px; height: 12px;
  flex-shrink: 0;
}
.brand-pulse::before, .brand-pulse::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: var(--agent);
}
.brand-pulse::before {
  animation: pulse-ring 2.4s cubic-bezier(.4,0,.6,1) infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: .7; }
  100% { transform: scale(2.8); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .brand-pulse::before { animation: none; }
}

.brand-text { line-height: 1.3; }
.brand-name {
  font-size: 13.5px; font-weight: 700; letter-spacing: .02em;
  color: var(--text);
}
.brand-sub {
  font-size: 10.5px; color: var(--text-faint); font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: .04em;
}

.nav-group { margin-bottom: var(--sp-5); }
.nav-label {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-faint); padding: 0 var(--sp-3); margin-bottom: var(--sp-2);
  font-family: var(--font-mono);
}
.nav-link {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: 9px var(--sp-3); border-radius: var(--radius-sm);
  color: var(--text-muted); text-decoration: none; font-size: 13px; font-weight: 500;
  margin-bottom: 2px; transition: background .12s, color .12s;
}
.nav-link:hover { background: var(--surface); color: var(--text); }
.nav-link.active { background: var(--agent-wash); color: var(--agent); }
.nav-link .icon { width: 16px; text-align: center; flex-shrink: 0; font-size: 14px; }

.sidebar-footer { margin-top: auto; padding-top: var(--sp-4); border-top: 1px solid var(--border-soft); }

.main {
  flex: 1;
  min-width: 0;
  padding: var(--sp-6) var(--sp-7);
}

.page-header { margin-bottom: var(--sp-6); }
.page-eyebrow {
  font-family: var(--font-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--agent); margin-bottom: var(--sp-2);
}
.page-title { font-size: 26px; font-weight: 700; letter-spacing: -.01em; margin: 0 0 var(--sp-2); }
.page-desc { font-size: 13.5px; color: var(--text-muted); max-width: 640px; margin: 0; }

/* ============ Componentes ============ */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  margin-bottom: var(--sp-5);
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-4); gap: var(--sp-3); flex-wrap: wrap;
}
.panel-head h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-muted); margin: 0; font-family: var(--font-mono); font-weight: 600;
}
.panel-hint { font-size: 12.5px; color: var(--text-muted); margin: -8px 0 var(--sp-4); line-height: 1.6; }

label { display: block; font-size: 12.5px; color: var(--text-muted); margin-bottom: 6px; margin-top: var(--sp-4); }
label:first-of-type { margin-top: 0; }

input[type=text], input[type=number], input[type=url], input[type=email], input[type=password], select, textarea {
  width: 100%; background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: var(--radius-sm); font-size: 13.5px; transition: border-color .12s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--agent-dim); }
input::placeholder, textarea::placeholder { color: var(--text-faint); }
textarea { resize: vertical; min-height: 80px; }

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--agent); color: #06140a; border: none;
  padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 600; font-size: 13px;
  cursor: pointer; text-decoration: none; transition: background .12s, opacity .12s;
}
button:hover, .btn:hover { background: #cdfa9a; }
button:disabled { opacity: .4; cursor: default; }
button.secondary, .btn.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
button.secondary:hover { border-color: var(--agent-dim); background: var(--surface-2); }
button.danger, .btn.danger { background: var(--danger); color: #fff; }
button.danger:hover { background: #ff6b66; }
button.ghost { background: transparent; color: var(--text-muted); padding: 6px 10px; }
button.ghost:hover { color: var(--text); background: var(--surface); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-faint); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); }
td { padding: 12px 10px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block; font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  padding: 3px 8px; border-radius: 5px; text-transform: uppercase; letter-spacing: .03em;
}
.badge.agent { color: var(--agent); background: var(--agent-wash); border: 1px solid rgba(186,241,121,.25); }
.badge.warn { color: var(--warn); background: var(--warn-wash); border: 1px solid rgba(240,180,41,.25); }
.badge.danger { color: var(--danger); background: var(--danger-wash); border: 1px solid rgba(239,83,80,.25); }
.badge.muted { color: var(--text-muted); background: var(--surface-2); border: 1px solid var(--border); }

.msg { font-size: 12.5px; margin-top: 10px; }
.msg.erro { color: #ff8a80; }
.msg.ok { color: var(--agent); }

.empty {
  text-align: center; color: var(--text-faint); padding: var(--sp-6) var(--sp-4);
  font-size: 13px;
}

.mono { font-family: var(--font-mono); }

/* Scrollbar discreta */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--surface-2); }

/* Responsivo: sidebar colapsa em telas estreitas */
@media (max-width: 880px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; flex-direction: row; align-items: center; padding: var(--sp-3) var(--sp-4); overflow-x: auto; }
  .brand { border-bottom: none; padding: 0 var(--sp-4) 0 0; margin: 0; border-right: 1px solid var(--border-soft); }
  .nav-group { margin-bottom: 0; display: flex; align-items: center; }
  .nav-label { display: none; }
  .nav-link { white-space: nowrap; }
  .sidebar-footer { margin-top: 0; padding-top: 0; border-top: none; margin-left: auto; }
  .main { padding: var(--sp-5); }
}