/* ═══════════════════════════════════════════
   META MATCH · Funnel Labs I.A
   Design system derivado do Brandbook oficial
   ═══════════════════════════════════════════ */

:root {
  --black-950: #020202;
  --black-900: #050505;
  --black-800: #0A0A0A;
  --black-700: #111111;
  --black-600: #1A1A1A;
  --grey-500: #2A2A2A;
  --grey-400: #444444;
  --grey-300: #666666;
  --grey-200: #888888;
  --grey-100: #AAAAAA;
  --white-50: #F5F5F5;
  --white-100: #FDFDFD;

  --orange-300: #FFB380;
  --orange-400: #FF8C40;
  --orange-500: #FF5A00;
  --orange-600: #E04F00;
  --orange-700: #CC4800;

  --bg-void: var(--black-950);
  --bg-primary: var(--black-900);
  --bg-surface: var(--black-800);
  --bg-elevated: var(--black-700);
  --bg-card: var(--black-600);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.12);

  --text-primary: var(--white-100);
  --text-secondary: var(--grey-200);
  --text-muted: var(--grey-300);

  --glow-orange: rgba(255, 90, 0, 0.15);
  --glow-orange-strong: rgba(255, 90, 0, 0.3);
  --danger: #E5484D;
  --success: #46A758;

  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Inter", Helvetica, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 8px;
  --radius-lg: 14px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Grain texture da marca */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; }
h1, h2 { text-transform: uppercase; }
code { font-family: var(--font-mono); font-size: 0.85em; }
::selection { background: var(--orange-500); color: var(--black-900); }

.container { width: min(1200px, 100% - 3rem); margin: 0 auto; }

/* ── Eyebrow / labels mono ── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-500);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--orange-500); }

.section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); margin: 0.6rem 0 0.4rem; }
.section-lead { color: var(--text-secondary); max-width: 64ch; }

/* ═══ TOPBAR ═══ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
  padding: 0.75rem max(1.5rem, calc((100vw - 1200px) / 2));
  background: rgba(5, 5, 5, 0.88);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
}
.topbar-brand { display: inline-flex; align-items: center; gap: 0.85rem; min-width: 0; }
.topbar-brand img { height: 44px; width: auto; }
.topbar-brand .brand-meta { display: grid; line-height: 1.3; }
.topbar-brand .brand-meta strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.topbar-brand .brand-meta span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.topbar-nav { display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; justify-content: flex-end; }
.topbar-nav a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.55rem 0.85rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: color 0.15s, background 0.15s;
}
.topbar-nav a:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.05); }
.topbar-nav a.active { color: var(--orange-400); border-color: var(--border-medium); background: var(--bg-elevated); }
.topbar-nav .nav-exit { color: var(--text-muted); }

/* ═══ BOTÕES ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, border-color 0.15s;
}
.btn-primary {
  background: var(--orange-500);
  color: var(--black-900);
  box-shadow: 0 8px 32px var(--glow-orange-strong);
}
.btn-primary:hover { background: var(--orange-400); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border-color: var(--border-medium);
  color: var(--text-primary);
}
.btn-ghost:hover { border-color: var(--orange-500); color: var(--orange-400); }
.btn-danger {
  background: transparent;
  border-color: rgba(229, 72, 77, 0.4);
  color: var(--danger);
}
.btn-danger:hover { background: rgba(229, 72, 77, 0.1); }
.btn-sm { min-height: 38px; padding: 0.45rem 0.9rem; font-size: 0.72rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ═══ CARDS / PAINÉIS ═══ */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.panel > h2, .panel > h3 {
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  margin-bottom: 1.1rem;
}
.panel-title-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.1rem; }
.panel-title-row h2, .panel-title-row h3 { margin-bottom: 0; font-size: 1.05rem; }
.hint { font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; }

.badge {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
  background: var(--glow-orange);
  color: var(--orange-400);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.badge-muted { background: rgba(255, 255, 255, 0.06); color: var(--text-muted); }
.badge-success { background: rgba(70, 167, 88, 0.14); color: var(--success); }

/* ═══ FORMULÁRIOS ═══ */
label.field { display: grid; gap: 0.45rem; }
label.field > span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
input, textarea, select {
  width: 100%;
  min-height: 46px;
  padding: 0.65rem 0.85rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { resize: vertical; line-height: 1.55; min-height: 0; }
input::placeholder, textarea::placeholder { color: var(--grey-400); }
input:focus, textarea:focus, select:focus {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px var(--glow-orange);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888888' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.4rem;
}
.form-grid { display: grid; gap: 1rem; }
.form-grid.two-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.toggle-row { display: inline-flex; align-items: center; gap: 0.6rem; cursor: pointer; }
.toggle-row input { width: 18px; min-height: 18px; accent-color: var(--orange-500); }
.toggle-row span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ═══ WORKSPACE (páginas internas) ═══ */
.workspace { width: min(1200px, 100% - 3rem); margin: 0 auto; padding: 2.5rem 0 6rem; }
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
}
.page-head h1 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-top: 0.55rem; }
.page-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.stack { display: grid; gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }

/* ═══ ADMIN: editor de ganchos ═══ */
.editor-layout { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 1.25rem; align-items: start; }
.hook-sidebar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 96px;
}
.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}
.sidebar-head h2 { font-size: 0.95rem; letter-spacing: 0.05em; }
.hook-list { display: grid; max-height: 560px; overflow: auto; }
.hook-item {
  display: grid;
  gap: 0.3rem;
  width: 100%;
  padding: 1rem 1.25rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-subtle);
  border-left: 3px solid transparent;
  color: var(--text-primary);
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
}
.hook-item:hover { background: var(--bg-elevated); }
.hook-item.active { background: var(--bg-elevated); border-left-color: var(--orange-500); }
.hook-item strong { font-size: 0.92rem; font-weight: 600; }
.hook-item .hook-meta { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.hook-item .hook-meta code { color: var(--text-muted); font-size: 0.72rem; }
.sidebar-foot { padding: 1rem 1.25rem; border-top: 1px solid var(--border-subtle); }

.empty-state { min-height: 280px; display: grid; place-content: center; gap: 0.5rem; text-align: center; color: var(--text-muted); }
.empty-state h2 { font-size: 1.2rem; color: var(--text-secondary); }

/* Preview ao vivo da primeira dobra */
.live-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 70% 90% at 85% -10%, var(--glow-orange), transparent 60%),
    var(--bg-void);
  padding: 2.2rem 2rem 2rem;
  min-height: 300px;
  display: grid;
  align-content: center;
  gap: 0.9rem;
}
.live-preview[data-has-image="true"]::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--preview-image);
  background-size: cover;
  background-position: center;
  opacity: 0.22;
}
.live-preview > * { position: relative; }
.live-preview .preview-tag {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.live-preview .preview-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-400);
}
.live-preview .preview-headline {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.08;
  text-transform: none;
}
.live-preview .preview-sub { color: var(--text-secondary); font-size: 0.95rem; max-width: 56ch; }
.live-preview .preview-bullets { display: grid; gap: 0.35rem; list-style: none; }
.live-preview .preview-bullets li {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  color: var(--text-secondary);
  font-size: 0.88rem;
}
.live-preview .preview-bullets li::before { content: "+"; color: var(--orange-500); font-family: var(--font-mono); font-weight: 600; }
.live-preview .preview-cta {
  justify-self: start;
  margin-top: 0.4rem;
  padding: 0.65rem 1.3rem;
  background: var(--orange-500);
  color: var(--black-900);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ═══ MÉTRICAS / EVENTOS ═══ */
.metrics-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem;
}
.metric-card span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.metric-card strong {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
}
.metric-card.accent strong { color: var(--orange-500); }

.filters-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.filters-row select { min-width: 180px; width: auto; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--bg-surface); }
table { width: 100%; border-collapse: collapse; min-width: 880px; }
th, td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--border-subtle); text-align: left; vertical-align: top; }
th {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-elevated);
}
td { font-size: 0.88rem; color: var(--text-secondary); }
td strong { color: var(--text-primary); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* ═══ TEST LAB ═══ */
.copy-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.75rem; }
.copy-row input, .copy-row textarea { font-family: var(--font-mono); font-size: 0.82rem; color: var(--orange-300); }
textarea.mono { font-family: var(--font-mono); font-size: 0.82rem; color: var(--orange-300); }
.url-list { display: grid; gap: 0.85rem; }
.url-card {
  display: grid;
  gap: 0.55rem;
  padding: 1.1rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}
.url-card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.url-card-head strong { font-size: 0.95rem; }
.url-card code { overflow-wrap: anywhere; color: var(--text-muted); font-size: 0.78rem; line-height: 1.5; }
.step-list { display: grid; gap: 0.85rem; list-style: none; counter-reset: steps; }
.step-list li { display: flex; gap: 0.9rem; align-items: baseline; color: var(--text-secondary); line-height: 1.55; }
.step-list li::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--orange-500);
  flex-shrink: 0;
}

/* ═══ TOAST ═══ */
.toast {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 200;
  max-width: min(420px, calc(100% - 2.5rem));
  padding: 0.9rem 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-left: 3px solid var(--orange-500);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.toast.visible { transform: translateY(0); opacity: 1; }

/* ═══ LOGIN ═══ */
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 2rem 1.5rem; position: relative; }
.login-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% -10%, var(--glow-orange), transparent 65%);
  pointer-events: none;
}
.login-card {
  position: relative;
  width: min(420px, 100%);
  display: grid;
  gap: 1.4rem;
  padding: 2.5rem 2.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}
.login-card img { height: 80px; width: auto; margin: 0 auto; }
.login-card h1 { font-size: 1.3rem; text-align: center; }
.login-card .hint { text-align: center; }
.form-status { min-height: 22px; font-size: 0.85rem; color: var(--danger); font-family: var(--font-mono); }
.form-status.ok { color: var(--success); }

/* ═══ LANDING ═══ */
.landing-topbar {
  position: absolute;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.4rem 1.5rem 0;
}
.landing-topbar img { height: 52px; width: auto; }

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--bg-void);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 65% at 78% 18%, var(--glow-orange-strong), transparent 62%),
    radial-gradient(ellipse 40% 50% at 12% 88%, rgba(255, 90, 0, 0.08), transparent 60%);
}
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.28; }
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(2, 2, 2, 0.94) 8%, rgba(2, 2, 2, 0.72) 46%, rgba(2, 2, 2, 0.45) 100%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black, transparent 80%);
}
.hero-content {
  position: relative;
  width: min(1200px, 100% - 3rem);
  margin: 0 auto;
  padding: 9rem 0 6rem;
  display: grid;
  gap: 1.6rem;
  max-width: 1200px;
}
.hero-content > * { max-width: 720px; }
.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 4.2rem);
  text-transform: none;
  letter-spacing: -0.025em;
}
.hero .hero-sub { font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: var(--text-secondary); line-height: 1.6; max-width: 600px; }
.hero-bullets { display: grid; gap: 0.6rem; list-style: none; }
.hero-bullets li { display: flex; gap: 0.7rem; align-items: baseline; color: var(--white-50); font-size: 1.02rem; }
.hero-bullets li::before { content: "+"; color: var(--orange-500); font-family: var(--font-mono); font-weight: 600; }
.hero-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin-top: 0.4rem; }
.hero .btn-primary { min-height: 56px; padding: 0.9rem 2.2rem; font-size: 0.88rem; }
.proof-line {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.landing-section { padding: 5.5rem 0; border-top: 1px solid var(--border-subtle); }
.landing-section .container > .eyebrow { margin-bottom: 0.4rem; }
.lead-band { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 2.5rem; align-items: center; }
.lead-band .section-lead { margin-top: 0.8rem; }
.lead-form { display: grid; gap: 1.1rem; padding: 2rem; background: var(--bg-surface); border: 1px solid var(--border-medium); border-radius: var(--radius-lg); }

.debug-panel { margin-top: 3rem; }
.debug-list { display: grid; gap: 0; }
.debug-list div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-subtle);
}
.debug-list div:last-child { border-bottom: 0; }
.debug-list dt { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.debug-list dd { margin: 0; font-family: var(--font-mono); font-size: 0.84rem; color: var(--orange-300); overflow-wrap: anywhere; }

.landing-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}
.landing-footer p { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--grey-400); }

/* ═══ DETAILS / ACCORDION ═══ */
details.panel summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
details.panel summary::before { content: "+"; color: var(--orange-500); font-weight: 600; }
details.panel[open] summary::before { content: "-"; }
details.panel summary::-webkit-details-marker { display: none; }
details.panel[open] summary { margin-bottom: 1.1rem; }

/* ═══ TUTORIAL ═══ */
.tutorial-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 2rem; align-items: start; }
.toc {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 0.1rem;
  padding: 1rem 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}
.toc a {
  display: block;
  padding: 0.5rem 1.25rem;
  border-left: 3px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.toc a:hover { color: var(--text-primary); background: var(--bg-elevated); }
.toc a.active { color: var(--orange-400); border-left-color: var(--orange-500); }

.tutorial-body { display: grid; gap: 1.5rem; }
.tutorial-section { scroll-margin-top: 96px; }
.tutorial-section .panel { display: grid; gap: 1rem; }
.tutorial-section h2 {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  margin-bottom: 0;
}
.tutorial-section h2 .step-number {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--orange-500);
  letter-spacing: 0.1em;
}
.tutorial-section p { color: var(--text-secondary); max-width: 76ch; }
.tutorial-section p strong { color: var(--text-primary); }
.tutorial-section .step-list strong { color: var(--text-primary); font-weight: 600; }
.tutorial-section .step-list code,
.tutorial-section p code {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
  color: var(--orange-300);
}

.field-table { display: grid; gap: 0; border: 1px solid var(--border-subtle); border-radius: var(--radius); overflow: hidden; }
.field-table > div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}
.field-table > div:nth-child(even) { background: transparent; }
.field-table > div:last-child { border-bottom: 0; }
.field-table dt { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--orange-300); align-self: start; padding-top: 0.1rem; }
.field-table dd { margin: 0; font-size: 0.88rem; color: var(--text-secondary); }

.code-block { position: relative; }
.code-block pre {
  overflow-x: auto;
  padding: 1.1rem 1.2rem;
  padding-right: 6.5rem;
  background: var(--bg-void);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--orange-300);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.code-block .copy-btn {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  min-height: 32px;
  padding: 0.3rem 0.7rem;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.code-block .copy-btn:hover { color: var(--orange-400); border-color: var(--orange-500); }

.callout {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.2rem;
  background: var(--glow-orange);
  border: 1px solid rgba(255, 90, 0, 0.25);
  border-left: 3px solid var(--orange-500);
  border-radius: var(--radius);
}
.callout strong {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-400);
}
.callout p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); max-width: none; }

.flow-diagram {
  display: flex;
  align-items: stretch;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.flow-diagram .flow-step {
  flex: 1 1 150px;
  display: grid;
  gap: 0.3rem;
  align-content: start;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
}
.flow-diagram .flow-step span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-500);
}
.flow-diagram .flow-step p { margin: 0; font-size: 0.84rem; color: var(--text-secondary); }

/* ═══ RESPONSIVO ═══ */
@media (max-width: 1024px) {
  .editor-layout { grid-template-columns: 1fr; }
  .hook-sidebar { position: static; }
  .hook-list { max-height: 320px; }
  .tutorial-layout { grid-template-columns: 1fr; }
  .toc { position: static; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); padding: 0.6rem; }
  .toc a { border-left: 0; border-radius: 6px; }
  .field-table > div { grid-template-columns: 1fr; gap: 0.2rem; }
}
@media (max-width: 880px) {
  .grid-2, .lead-band, .form-grid.two-cols { grid-template-columns: 1fr; }
  .hero { min-height: 86vh; }
  .topbar { flex-wrap: wrap; }
  .topbar-nav { width: 100%; justify-content: flex-start; }
  .page-head { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 560px) {
  .workspace, .container, .hero-content { width: calc(100% - 2rem); }
  .copy-row { grid-template-columns: 1fr; }
  .debug-list div { grid-template-columns: 1fr; gap: 0.2rem; }
  .topbar-brand .brand-meta span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}