/* ═══════════════════════════════════════════
   DESIGN TOKENS — Editorial Light
   ═══════════════════════════════════════════ */
:root {
  --bg: #E8E4DC;
  --bg-alt: #F5F2ED;
  --card: #D8D4CC;
  --accent: #FF4D00;
  --accent-hover: #E64500;
  --text-pri: #1A1A1A;
  --text-sec: rgba(0,0,0,0.65);
  --text-ter: rgba(0,0,0,0.50);
  --text-ghost: rgba(0,0,0,0.30);
  --border: rgba(0,0,0,0.10);
  --border-strong: rgba(0,0,0,0.20);
  --font: 'Inter', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 100px;
  --safe: clamp(16px, 5vw, 40px);
}

/* ═══ Login gate ═══ */
.login-gate { position: fixed; inset: 0; z-index: 9999; background: var(--bg); display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-box { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 16px; padding: 40px 32px; max-width: 400px; width: 100%; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.08); }
.login-brand { font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--text-ter); margin-bottom: 24px; }
.login-brand span { color: var(--accent); }
.login-box h1 { font-size: 28px; font-weight: 900; margin-bottom: 8px; letter-spacing: -1px; }
.login-box p { color: var(--text-sec); font-size: 14px; margin-bottom: 24px; }
.login-box input { width: 100%; padding: 14px 18px; font-size: 15px; border: 2px solid var(--border-strong); border-radius: 10px; background: #fff; font-family: var(--font); margin-bottom: 12px; transition: border-color .2s; }
.login-box input:focus { outline: none; border-color: var(--accent); }
.login-box button { width: 100%; padding: 14px; background: var(--accent); color: #fff; font-size: 15px; font-weight: 700; border: none; border-radius: 10px; cursor: pointer; transition: background .2s; font-family: var(--font); }
.login-box button:hover { background: var(--accent-hover); }
.login-error { display: none; color: #D43F3F; font-size: 13px; font-weight: 600; margin-top: 12px; }
.login-error.show { display: block; }
body.locked { overflow: hidden; }
body.locked > *:not(#loginGate) { filter: blur(8px); pointer-events: none; }

/* ═══ Reset ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text-pri); line-height: 1.6; min-height: 100dvh; overflow-x: hidden; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: var(--font); }

/* ═══ Header ═══ */
.header { position: sticky; top: 0; z-index: 100; background: var(--bg); border-bottom: 1px solid var(--border); padding: 0 var(--safe); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.header-brand { font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--text-ter); }
.header-brand span { color: var(--accent); }
.header-day-toggle { display: flex; gap: 2px; background: var(--card); border-radius: var(--radius-pill); padding: 3px; }
.header-day-btn { font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; border: none; background: transparent; color: var(--text-ter); padding: 6px 14px; border-radius: var(--radius-pill); cursor: pointer; transition: all .2s; }
.header-day-btn.active { background: var(--text-pri); color: var(--bg); }
.header-day-btn[data-day="home"].active { background: var(--accent); color: #fff; }

/* ═══ Progress ═══ */
.progress-bar { position: sticky; top: 56px; z-index: 99; background: var(--bg); padding: 0 var(--safe); border-bottom: 1px solid var(--border); }
.progress-inner { display: flex; align-items: center; gap: 8px; height: 44px; }
.progress-label { font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text-ghost); }
.progress-track { flex: 1; height: 4px; background: var(--card); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); width: 8%; transition: width .4s ease; }
.progress-steps { display: flex; gap: 4px; }
.progress-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--card); border: 2px solid var(--card); cursor: pointer; }
.progress-dot.done { background: var(--accent); border-color: var(--accent); }
.progress-dot.current { background: transparent; border-color: var(--accent); }

/* ═══ Main ═══ */
.main { padding: 32px var(--safe) 120px; min-height: calc(100dvh - 100px); }
.section { display: none; animation: fadeIn .3s ease; }
.section.active { display: block; }
@keyframes fadeIn { from {opacity:0;transform:translateY(8px);} to {opacity:1;transform:translateY(0);} }

/* ═══ Typography ═══ */
.section-kicker { font-size: 10px; font-weight: 700; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.section-title { font-size: clamp(32px, 7vw, 48px); font-weight: 900; line-height: 1; letter-spacing: -1px; margin-bottom: 8px; }
.section-subtitle { font-size: clamp(16px, 4vw, 22px); font-weight: 700; line-height: 1.1; color: var(--text-sec); text-transform: uppercase; margin-bottom: 24px; }
h2 { font-size: 22px; font-weight: 800; margin: 40px 0 12px; }
h3 { font-size: 17px; font-weight: 700; margin: 28px 0 8px; }
p { margin-bottom: 16px; color: var(--text-sec); font-size: 15px; line-height: 1.65; }
ul, ol { margin-bottom: 16px; padding-left: 20px; }
li { margin-bottom: 8px; color: var(--text-sec); font-size: 15px; }
li strong { color: var(--text-pri); }
hr { border: none; height: 3px; background: var(--accent); width: 40px; margin: 32px 0; border-radius: 2px; }
code { font-family: 'SF Mono', monospace; font-size: .88em; background: rgba(0,0,0,.06); padding: 2px 6px; border-radius: 4px; }

/* ═══ Cards ═══ */
.card { background: var(--card); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }

/* ═══ Mode cards (3 colunas coloridas) ═══ */
.mode-grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 16px 0 28px; }
@media (min-width: 700px) { .mode-grid { grid-template-columns: repeat(3, 1fr); } }
.mode-card { background: var(--bg-alt); border: 1px solid var(--border); border-top: 4px solid; border-radius: var(--radius); padding: 20px; transition: transform .2s; }
.mode-card:hover { transform: translateY(-3px); }
.mode-card h3 { margin: 6px 0 10px; font-size: 20px; font-weight: 800; }
.mode-card p { font-size: 14px; margin-bottom: 0; }
.mode-tag { font-size: 9px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-pill); display: inline-block; }
.mode-blue { border-top-color: #2D7FF9; }
.mode-blue .mode-tag { background: rgba(45,127,249,.12); color: #2D7FF9; }
.mode-orange { border-top-color: var(--accent); }
.mode-orange .mode-tag { background: rgba(255,77,0,.12); color: var(--accent); }
.mode-green { border-top-color: #00B85C; }
.mode-green .mode-tag { background: rgba(0,184,92,.12); color: #00B85C; }

/* ═══ 8 Capacidades — Grid de cards ═══ */
.cap-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 24px 0; }
@media (min-width: 640px) { .cap-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .cap-grid { grid-template-columns: 1fr 1fr; } }

.cap-card { position: relative; background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px 24px; transition: all .25s ease; overflow: hidden; }
.cap-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: currentColor; }
.cap-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.cap-badge { position: absolute; top: 18px; right: 20px; font-size: 11px; font-weight: 800; letter-spacing: 1.5px; color: currentColor; opacity: .5; }
.cap-icon { width: 48px; height: 48px; border-radius: 12px; background: currentColor; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 14px; }
.cap-icon::before { content: ""; position: absolute; inset: 0; }
.cap-card h3 { color: var(--text-pri); font-size: 17px; font-weight: 800; margin: 0 0 8px; line-height: 1.3; }
.cap-card p { color: var(--text-sec); font-size: 14px; line-height: 1.55; margin-bottom: 14px; }
.cap-example { font-size: 13px; font-style: italic; color: var(--text-pri); background: rgba(0,0,0,.04); padding: 10px 14px; border-radius: 8px; border-left: 3px solid currentColor; }

/* Color variants for cap-cards (currentColor drives them) */
.cap-blue { color: #2D7FF9; }
.cap-blue .cap-icon { background: rgba(45,127,249,.12); }
.cap-orange { color: var(--accent); }
.cap-orange .cap-icon { background: rgba(255,77,0,.12); }
.cap-green { color: #00B85C; }
.cap-green .cap-icon { background: rgba(0,184,92,.12); }
.cap-purple { color: #8C52FF; }
.cap-purple .cap-icon { background: rgba(140,82,255,.12); }

/* ═══ Capability toggles ═══ */
.capability { background: var(--bg-alt); border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; transition: all .2s; }
.capability[open] { background: #fff; box-shadow: 0 4px 16px rgba(0,0,0,.04); }
.capability summary { padding: 16px 20px; font-weight: 700; font-size: 16px; cursor: pointer; list-style: none; display: flex; align-items: center; gap: 14px; color: var(--text-pri); }
.capability summary::-webkit-details-marker { display: none; }
.capability summary::after { content: "+"; margin-left: auto; font-size: 22px; font-weight: 400; color: var(--accent); transition: transform .2s; }
.capability[open] summary::after { content: "−"; transform: rotate(180deg); }
.cap-num { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; background: var(--accent); color: #fff; border-radius: 50%; font-size: 12px; font-weight: 800; flex-shrink: 0; }
.cap-body { padding: 0 20px 20px 66px; }
.cap-body p { margin-bottom: 12px; }
.example { background: rgba(255,77,0,.05); border-left: 3px solid var(--accent); border-radius: 6px; padding: 12px 16px; }
.example-label { display: block; font-size: 9px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.example em { font-size: 14px; color: var(--text-pri); }

/* ═══ Formula visual (prompt structure) ═══ */
.formula { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; padding: 24px 16px; background: var(--bg-alt); border-radius: var(--radius); border: 1px solid var(--border); margin: 16px 0 24px; }
.formula-part { padding: 10px 18px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; }
.formula-plus { font-size: 18px; color: var(--text-ghost); font-weight: 700; }
.part-blue { background: rgba(45,127,249,.12); color: #2D7FF9; }
.part-orange { background: rgba(255,77,0,.12); color: var(--accent); }
.part-green { background: rgba(0,184,92,.12); color: #00B85C; }
.part-purple { background: rgba(140,82,255,.12); color: #8C52FF; }

/* ═══ Final analogy card ═══ */
.card-final { background: var(--bg-alt); border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 28px; }
.card-final p { font-size: 16px; line-height: 1.7; color: var(--text-pri); }

/* ═══ Callouts ═══ */
.callout { border-radius: var(--radius); padding: 16px 20px; margin-bottom: 20px; font-size: 14px; }
.callout-tip { background: rgba(0,212,255,.08); border: 1px solid rgba(0,212,255,.2); }
.callout-warn { background: rgba(255,77,0,.08); border: 1px solid rgba(255,77,0,.2); }
.callout-exercise { background: rgba(0,255,136,.08); border: 1px solid rgba(0,255,136,.2); }
.callout > strong:first-child { display: block; margin-bottom: 4px; font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }

/* ═══ Code blocks ═══ */
.code-block { position: relative; background: #1A1A1A; color: #E8E4DC; border-radius: var(--radius); padding: 36px 20px 20px; margin-bottom: 20px; font-family: 'SF Mono', monospace; font-size: 13px; overflow-x: auto; }
.code-block-label { position: absolute; top: 8px; left: 16px; font-family: var(--font); font-size: 9px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.3); }

/* ═══ Stepper ═══ */
.stepper { list-style: none; padding: 0; counter-reset: step-counter; }
.stepper .step { position: relative; padding-left: 48px; padding-bottom: 32px; }
.stepper .step::before { content: ""; position: absolute; top: 32px; bottom: 0; left: 15px; width: 2px; background: var(--border-strong); }
.stepper .step:last-child::before { display: none; }
.stepper .step::after { counter-increment: step-counter; content: counter(step-counter); position: absolute; top: 0; left: 0; width: 32px; height: 32px; background: var(--accent); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; }
.stepper .step h4 { margin: 0 0 6px; font-size: 15px; font-weight: 700; padding-top: 4px; }
.stepper .step p { margin: 0; font-size: 14px; }

/* ═══ Checklist ═══ */
.checklist { list-style: none; padding: 0; margin-bottom: 20px; }
.checklist li { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); cursor: pointer; }
.checklist li:last-child { border-bottom: none; }
.checklist-box { width: 22px; height: 22px; min-width: 22px; border: 2px solid var(--border-strong); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 12px; color: transparent; transition: all .2s; }
.checklist li.checked .checklist-box { background: var(--accent); border-color: var(--accent); color: #fff; }
.checklist li.checked .checklist-text { text-decoration: line-through; color: var(--text-ghost); }
.checklist-text { font-size: 15px; color: var(--text-sec); }

/* ═══ Table ═══ */
.table-wrap { overflow-x: auto; margin-bottom: 20px; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { background: var(--card); font-weight: 700; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-ter); text-align: left; padding: 10px 16px; }
td { padding: 12px 16px; border-top: 1px solid var(--border); color: var(--text-sec); vertical-align: top; }
td strong { color: var(--text-pri); }

/* ═══ Badge ═══ */
.badge { display: inline-block; font-size: 9px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-pill); background: var(--accent); color: #fff; }
.badge-outline { background: transparent; border: 1px solid var(--border-strong); color: var(--text-ter); }

/* ═══ Footer nav ═══ */
.footer-nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 100; background: var(--bg); border-top: 1px solid var(--border); padding: 12px var(--safe); }
.footer-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.nav-btn { font-size: 13px; font-weight: 700; border: none; border-radius: var(--radius-sm); padding: 12px 24px; cursor: pointer; transition: all .2s; }
.nav-btn-prev { background: var(--card); color: var(--text-sec); }
.nav-btn-next { background: var(--accent); color: #fff; margin-left: auto; }
.nav-btn:disabled { opacity: .3; cursor: not-allowed; }
.nav-current { font-size: 11px; font-weight: 600; color: var(--text-ghost); letter-spacing: 1px; }

/* ═══ Hero ═══ */
.hero { text-align: center; padding: 48px 0 32px; }
.hero-badge { margin-bottom: 24px; }
.hero-title { font-size: clamp(36px, 9vw, 56px); font-weight: 900; line-height: .95; letter-spacing: -2px; margin-bottom: 12px; }
.hero-title span { color: var(--accent); }
.hero-subtitle { font-size: clamp(14px, 3.5vw, 18px); color: var(--text-sec); font-weight: 500; max-width: 480px; margin: 0 auto 32px; }
.hero-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #fff; font-size: 15px; font-weight: 700; padding: 14px 32px; border-radius: var(--radius-pill); border: none; cursor: pointer; transition: all .2s; }
.hero-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }

.day-cards { display: grid; gap: 16px; margin-top: 40px; }
.day-card { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-align: left; cursor: pointer; transition: all .2s; }
.day-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.day-card-num { font-size: 10px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.day-card-title { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.day-card-desc { font-size: 14px; color: var(--text-sec); margin-bottom: 12px; }
.day-card-meta { display: flex; gap: 8px; flex-wrap: wrap; }

/* ═══ Sidebar ═══ */
.sidebar { display: none; }

/* Botão para recolher/expandir sidebar */
.sidebar-toggle-btn { display: none; }
@media (min-width: 900px) {
  .sidebar-toggle-btn {
    display: flex; align-items: center; justify-content: center;
    position: fixed; top: 10px; left: 12px; z-index: 300;
    width: 36px; height: 36px; border-radius: 8px;
    background: var(--bg-alt); border: 1px solid var(--border);
    color: var(--text-pri); font-size: 16px; cursor: pointer;
    transition: all .2s;
  }
  .sidebar-toggle-btn:hover { background: var(--card); }
  body.sidebar-collapsed .sidebar-toggle-btn { left: 12px; }
}

/* Quando sidebar está recolhida em desktop */
@media (min-width: 900px) {
  body.sidebar-collapsed .sidebar { transform: translateX(-100%); }
  body.sidebar-collapsed .header { left: 0; padding-left: 64px; }
  body.sidebar-collapsed .progress-bar { left: 0; padding-left: 64px; }
  body.sidebar-collapsed .main { margin-left: 0; padding-left: clamp(64px, 6vw, 96px); }
  body.sidebar-collapsed .footer-nav { left: 0; padding-left: 64px; }
  .sidebar { transition: transform .25s ease; }
  .header, .progress-bar, .main, .footer-nav { transition: left .25s ease, margin-left .25s ease, padding-left .25s ease; }
}

@media (min-width: 900px) {
  :root { --sidebar-w: 280px; }
  .sidebar { display: flex; flex-direction: column; position: fixed; top: 0; left: 0; width: var(--sidebar-w); height: 100dvh; background: var(--bg-alt); border-right: 1px solid var(--border); overflow-y: auto; z-index: 200; }
  .sidebar::-webkit-scrollbar { width: 4px; }
  .sidebar::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }
  .sidebar-brand { position: sticky; top: 0; background: var(--bg-alt); padding: 20px 24px 16px; font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--text-ter); border-bottom: 1px solid var(--border); }
  .sidebar-brand span { color: var(--accent); }
  .sidebar-group { padding: 16px 0 4px; }
  .sidebar-group-title { padding: 0 24px 8px; font-size: 9px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--text-ghost); }
  .sidebar-item { display: flex; align-items: center; gap: 10px; padding: 9px 24px; font-size: 13px; font-weight: 500; color: var(--text-sec); cursor: pointer; transition: all .15s; border-left: 3px solid transparent; }
  .sidebar-item:hover { background: var(--card); color: var(--text-pri); }
  .sidebar-item.active { background: rgba(255,77,0,.06); color: var(--accent); font-weight: 700; border-left-color: var(--accent); }
  .sidebar-item-num { font-size: 10px; font-weight: 700; color: var(--text-ghost); min-width: 20px; }
  .sidebar-item.active .sidebar-item-num { color: var(--accent); }
  .sidebar-item-badge { margin-left: auto; font-size: 9px; font-weight: 600; color: var(--text-ghost); }

  /* Toggle groups (Claude / Cowork / Claude Code) */
  .sidebar-toggle { border-bottom: 1px solid var(--border); }
  .sidebar-toggle summary { list-style: none; cursor: pointer; padding: 16px 24px; font-size: 12px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-pri); display: flex; align-items: center; gap: 12px; transition: background .15s; }
  .sidebar-toggle summary::-webkit-details-marker { display: none; }
  .sidebar-toggle summary:hover { background: var(--card); }
  .toggle-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
  .dot-blue { background: #2D7FF9; }
  .dot-orange { background: var(--accent); }
  .dot-green { background: #00B85C; }
  .toggle-arrow { margin-left: auto; font-size: 12px; color: var(--text-ghost); transition: transform .2s; }
  .sidebar-toggle[open] .toggle-arrow { transform: rotate(180deg); }
  .sidebar-toggle .sidebar-item { padding-left: 46px; }
  .sidebar-empty { padding: 14px 24px 18px 46px; font-size: 12px; color: var(--text-ghost); font-style: italic; }

  .header { left: var(--sidebar-w); right: 0; padding: 0 clamp(32px, 4vw, 64px); }
  .header-inner { height: 44px; }
  .header-brand { display: none; }
  .progress-bar { left: var(--sidebar-w); right: 0; top: 44px; padding: 0 clamp(32px, 4vw, 64px) 8px; }
  .progress-inner { height: 28px; }
  .main { margin-left: var(--sidebar-w); padding: 40px clamp(32px, 4vw, 64px) 100px; }
  .footer-nav { left: var(--sidebar-w); right: 0; padding: 10px clamp(32px, 4vw, 64px); }
  .hero { padding: 56px 0 40px; }
  .day-cards { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 481px) and (max-width: 899px) {
  .day-cards { grid-template-columns: 1fr 1fr; }
}