/* ==========================================================================
   Vibe IDE — design system das páginas públicas e do painel
   Sem dependências externas (CSP: default-src 'self').
   ========================================================================== */

:root {
  color-scheme: dark;

  --bg: #080a0f;
  --bg-soft: #0d1017;
  --surface: #11151e;
  --surface-2: #161b26;
  --surface-3: #1c2230;
  --border: #242b3a;
  --border-strong: #313a4d;

  --text: #e9ecf3;
  --text-muted: #9aa3b8;
  --text-dim: #6b7488;

  --accent: #7c5cff;
  --accent-strong: #9179ff;
  --accent-soft: rgba(124, 92, 255, 0.14);
  --cyan: #22d3ee;
  --green: #34d399;
  --green-soft: rgba(52, 211, 153, 0.12);
  --amber: #fbbf24;
  --red: #f87171;
  --red-soft: rgba(248, 113, 113, 0.12);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(124, 92, 255, 0.35), 0 18px 48px rgba(124, 92, 255, 0.18);

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;

  --maxw: 1180px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(124, 92, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(34, 211, 238, 0.09), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

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

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.02em; font-weight: 650; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ------------------------------- Cabeçalho ------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 10, 15, 0.82);
  backdrop-filter: blur(14px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(140deg, var(--accent), var(--cyan));
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 800;
  color: #08090d;
  box-shadow: 0 4px 14px rgba(124, 92, 255, 0.45);
}

.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.nav a {
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); background: var(--accent-soft); }

/* --------------------------------- Botões -------------------------------- */

.btn {
  --btn-bg: var(--surface-2);
  --btn-fg: var(--text);
  --btn-bd: var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.btn-primary {
  --btn-bg: linear-gradient(135deg, var(--accent), #5b3df0);
  --btn-fg: #fff;
  --btn-bd: transparent;
  box-shadow: 0 10px 26px rgba(124, 92, 255, 0.35);
}
.btn-primary:hover { box-shadow: 0 14px 34px rgba(124, 92, 255, 0.48); }

.btn-ghost { --btn-bg: transparent; }
.btn-ghost:hover { --btn-bg: var(--surface-2); }

.btn-sm { padding: 8px 14px; font-size: 0.85rem; }
.btn-block { width: 100%; }

.btn-danger { --btn-bg: var(--red-soft); --btn-fg: #fca5a5; --btn-bd: rgba(248, 113, 113, 0.4); }

/* --------------------------------- Cartões ------------------------------- */

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent), var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.card-pad { padding: 24px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--surface-3);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.badge-accent { background: var(--accent-soft); color: var(--accent-strong); border-color: rgba(124, 92, 255, 0.35); }
.badge-green { background: var(--green-soft); color: var(--green); border-color: rgba(52, 211, 153, 0.3); }
.badge-red { background: var(--red-soft); color: var(--red); border-color: rgba(248, 113, 113, 0.3); }
.badge-amber { background: rgba(251, 191, 36, 0.12); color: var(--amber); border-color: rgba(251, 191, 36, 0.3); }

/* ---------------------------------- Hero --------------------------------- */

.hero { padding: 72px 0 32px; text-align: center; }

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 22px;
}

.hero p.lead {
  max-width: 620px;
  margin: 0 auto 12px;
  color: var(--text-muted);
  font-size: 1.08rem;
}

.hero .trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin-top: 26px;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.hero .trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero .trust svg { width: 15px; height: 15px; stroke: var(--green); }

/* --------------------------------- Planos -------------------------------- */

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 20px;
  margin: 36px 0 20px;
  align-items: stretch;
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent), var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.plan:hover { border-color: var(--border-strong); transform: translateY(-3px); }

.plan-featured {
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: var(--shadow-glow);
}
.plan-featured::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.8), rgba(34, 211, 238, 0.45));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.plan h3 { margin-bottom: 4px; }
.plan .plan-desc { color: var(--text-muted); font-size: 0.9rem; min-height: 42px; }

.plan-price { display: flex; align-items: baseline; gap: 6px; margin: 14px 0 4px; }
.plan-price .amount { font-size: 2.1rem; font-weight: 700; letter-spacing: -0.03em; }
.plan-price .period { color: var(--text-dim); font-size: 0.9rem; }

.plan ul { list-style: none; margin: 18px 0 24px; padding: 0; display: grid; gap: 10px; }
.plan li { display: flex; gap: 10px; font-size: 0.9rem; color: var(--text-muted); }
.plan li svg { flex: none; width: 16px; height: 16px; margin-top: 3px; stroke: var(--green); }

.plan .btn { margin-top: auto; }

/* ------------------------------ Formulários ------------------------------ */

.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.field .hint { font-size: 0.78rem; color: var(--text-dim); }

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input::placeholder { color: var(--text-dim); }
input[aria-invalid="true"] { border-color: var(--red); }

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.87rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  cursor: pointer;
}
.checkbox input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--accent); flex: none; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }

.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-error { background: var(--red-soft); border-color: rgba(248, 113, 113, 0.35); color: #fca5a5; }
.alert-success { background: var(--green-soft); border-color: rgba(52, 211, 153, 0.3); color: #6ee7b7; }
.alert-info { background: rgba(34, 211, 238, 0.08); border-color: rgba(34, 211, 238, 0.25); color: #a5f3fc; }
.alert[hidden] { display: none; }

/* --------------------------- Modal de checkout --------------------------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 4, 8, 0.72);
  backdrop-filter: blur(6px);
  overflow-y: auto;
}
.modal[hidden] { display: none; }

.modal-panel {
  width: 100%;
  max-width: 520px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  box-shadow: var(--shadow);
  animation: pop 0.18s ease-out;
}
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(0.985); } }

.modal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 6px; }
.modal-close {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}
.modal-close:hover { background: var(--surface-3); color: var(--text); }

.summary {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.summary-row { display: flex; justify-content: space-between; gap: 12px; }
.summary-row span:first-child { color: var(--text-muted); }
.summary-row.total { border-top: 1px solid var(--border); padding-top: 8px; font-weight: 700; }

/* ------------------------------- Confirmação ----------------------------- */

.result {
  max-width: 640px;
  margin: 64px auto;
  padding: 36px;
  text-align: center;
}
.result-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  border: 1px solid rgba(52, 211, 153, 0.35);
}
.result-icon svg { width: 30px; height: 30px; stroke: var(--green); }
.result-icon.cancel { background: var(--red-soft); border-color: rgba(248, 113, 113, 0.35); }
.result-icon.cancel svg { stroke: var(--red); }

.license-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 18px;
  margin: 20px 0;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(124, 92, 255, 0.5);
  background: var(--accent-soft);
}
.license-box code {
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: #ddd6fe;
  word-break: break-all;
}

.steps { text-align: left; margin: 24px 0; padding: 0; list-style: none; counter-reset: step; display: grid; gap: 12px; }
.steps li { display: flex; gap: 12px; font-size: 0.9rem; color: var(--text-muted); }
.steps li::before {
  counter-increment: step;
  content: counter(step);
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-3);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
}

/* -------------------------------- Rodapé --------------------------------- */

.site-footer {
  margin-top: 80px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
}
.site-footer .container { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--text-muted); }

/* ------------------------------ Utilitários ------------------------------ */

.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.small { font-size: 0.85rem; }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 16px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.stack { display: grid; gap: 14px; }
.hidden { display: none !important; }

.divider { height: 1px; background: var(--border); margin: 24px 0; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }

.prose { max-width: 820px; }
.prose h2 { margin-top: 40px; }
.prose h3 { margin-top: 28px; color: var(--text); }
.prose p, .prose li { color: var(--text-muted); }
.prose ul { padding-left: 22px; }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 0.9rem; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.prose th { color: var(--text); font-weight: 600; }
.prose code { font-family: var(--mono); font-size: 0.86em; background: var(--surface-3); padding: 2px 6px; border-radius: 5px; }

/* ---------------------------------- Admin -------------------------------- */

.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 68px); }
@media (max-width: 900px) { .admin-layout { grid-template-columns: 1fr; } }

.admin-sidebar {
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  background: var(--bg-soft);
}
.admin-nav { display: grid; gap: 4px; }
.admin-nav button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
}
.admin-nav button:hover { background: var(--surface-2); color: var(--text); }
.admin-nav button[aria-current="true"] { background: var(--accent-soft); color: var(--text); font-weight: 600; }

.admin-main { padding: 32px; max-width: 1040px; width: 100%; }
@media (max-width: 620px) { .admin-main { padding: 20px; } }

.admin-section { display: none; }
.admin-section.active { display: block; animation: fade 0.2s ease; }
@keyframes fade { from { opacity: 0; } }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.stat .label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); }
.stat .value { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; margin-top: 4px; }

.setting-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.setting-row:last-child { border-bottom: none; }
.setting-row .meta { font-size: 0.78rem; color: var(--text-dim); }
.setting-row .meta code { font-family: var(--mono); }

table.data { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
table.data th { text-align: left; color: var(--text-dim); font-weight: 600; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.data td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data tr:hover td { background: rgba(255, 255, 255, 0.015); }

.code-block {
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  overflow-x: auto;
  color: #c4b5fd;
  word-break: break-all;
}

.login-shell { min-height: calc(100vh - 68px); display: grid; place-items: center; padding: 40px 20px; }
.login-card { width: 100%; max-width: 400px; padding: 32px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; flex-wrap: wrap; }
.tabs button {
  padding: 10px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.88rem;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }

/* Barra de progresso de força de senha */
.strength { height: 4px; border-radius: 999px; background: var(--surface-3); overflow: hidden; margin-top: 6px; }
.strength > span { display: block; height: 100%; width: 0; background: var(--red); transition: width 0.2s ease, background 0.2s ease; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ==========================================================================
   Utilitários de layout usados no HTML
   (existem para evitar atributos style="" — a CSP não permite inline style)
   ========================================================================== */
.h1-sm { font-size: 1.6rem; }
.sidebar-caption { margin: 0 0 10px 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.flex-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
.flex-gap { display: flex; gap: 8px; }
.w-sm { width: min(420px, 100%); }
.w-xs { max-width: 160px; }
.w-120 { max-width: 120px; }
.w-80 { max-width: 80px; }
.min-w-180 { min-width: 180px; }
.min-w-160 { min-width: 160px; }
.code-flex { flex: 1; min-width: 260px; }
.scroll-x { overflow-x: auto; }
.break-all { word-break: break-all; }
.prose-top { padding-top: 48px; }
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  box-shadow: var(--shadow);
}
.checklist-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
}
.checklist-btn:hover { border-color: var(--border-strong); background: var(--surface-2); }