:root {
  --bg: #0e1420;
  --surface: #171f2f;
  --surface-2: #1e2940;
  --border: #2c3a55;
  --text: #eef2f9;
  --muted: #9aa8c0;
  --accent: #35c56f;
  --accent-dark: #23984f;
  --danger: #e05252;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
}

.logo { font-size: 22px; font-weight: 700; letter-spacing: 0.5px; }
.logo span { color: var(--accent); }

.btn {
  display: inline-block; border: 0; cursor: pointer; text-decoration: none;
  background: var(--accent); color: #06210f; font-weight: 700;
  padding: 14px 28px; border-radius: 10px; font-size: 16px;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-dark); color: #eafff2; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.secondary:hover { background: var(--surface-2); }
.btn.block { display: block; width: 100%; text-align: center; }

.hero { padding: 72px 0 48px; text-align: center; }
.hero h1 { font-size: 42px; line-height: 1.2; max-width: 760px; margin: 0 auto 20px; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero p.sub { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 auto 32px; }

.badge {
  display: inline-block; font-size: 13px; font-weight: 600;
  background: var(--surface-2); color: var(--accent);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 14px; margin-bottom: 18px;
}

.grid { display: grid; gap: 20px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 26px;
}
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }
.card .icon { font-size: 26px; margin-bottom: 12px; display: block; }

section { padding: 40px 0; }
section h2 { font-size: 28px; text-align: center; margin-bottom: 28px; }

.pricing-card {
  max-width: 420px; margin: 0 auto; text-align: center;
  background: var(--surface); border: 1px solid var(--accent);
  border-radius: 16px; padding: 36px;
}
.pricing-card .price { font-size: 44px; font-weight: 800; margin: 10px 0 2px; }
.pricing-card .price small { font-size: 16px; font-weight: 400; color: var(--muted); }
.pricing-card ul { list-style: none; margin: 22px 0; text-align: left; }
.pricing-card li { padding: 7px 0; color: var(--muted); }
.pricing-card li::before { content: "✔"; color: var(--accent); margin-right: 10px; }

footer.site {
  border-top: 1px solid var(--border); margin-top: 48px;
  padding: 28px 0; color: var(--muted); font-size: 14px; text-align: center;
}

.form-card { max-width: 460px; margin: 48px auto; }
.form-card label { display: block; font-size: 14px; color: var(--muted); margin: 16px 0 6px; }
.form-card input, .form-card select {
  width: 100%; padding: 13px 14px; border-radius: 10px; font-size: 16px;
  background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
}
.form-card input:focus, .form-card select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form-card .btn { margin-top: 26px; }

.notice {
  margin-top: 18px; padding: 12px 16px; border-radius: 10px; font-size: 14px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
}
.notice.error { border-color: var(--danger); color: #f4b9b9; }
.notice.success { border-color: var(--accent); color: #b8f5d0; }
.notice.warning { border-color: #d59b35; color: #f5d99b; }

.field-label { display:block; font-size:14px; color:var(--muted); margin:14px 0 6px; }
.field-input {
  width:100%; padding:11px 12px; border-radius:9px; font-size:14px;
  background:var(--surface-2); color:var(--text); border:1px solid var(--border);
}
textarea.field-input { resize:vertical; font-family:ui-monospace, SFMono-Regular, Consolas, monospace; line-height:1.45; }
.tool-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:8px; }
.tool-choice { display:flex; gap:8px; align-items:center; padding:9px; border:1px solid var(--border); border-radius:8px; font-size:13px; }
.ai-settings-card { max-width: 1180px; margin: 0 auto; }
.ai-page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin:0 0 20px}.ai-page-heading h2{font-size:28px;text-align:left;margin:2px 0 5px}.ai-page-heading p{color:var(--muted);font-size:14px}.ai-kicker{font-size:10px;letter-spacing:.14em;font-weight:800;color:var(--accent)}.ai-safe-badge{font-size:11px;color:#b9efcd;background:#173625;border:1px solid #28553b;padding:6px 10px;border-radius:99px;white-space:nowrap}.ai-settings-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:16px;min-width:0}.ai-panel{padding:22px;min-width:0}.ai-provider-panel{grid-row:span 2}.ai-panel-title{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px}.ai-panel-title>span{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:#173b29;color:#9af0bf;font-weight:800}.ai-panel-title h3{font-size:17px;margin:0}.ai-panel-title p{font-size:12px;margin:3px 0 0}.provider-options{margin:0 0 16px}.ai-field{display:grid;gap:7px;margin:15px 0;color:#cad3df;font-size:13px;font-weight:700}.ai-field select,.ai-field input{width:100%;padding:12px 13px;border-radius:9px;background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.ai-field small{color:var(--muted);font-weight:400}.ai-primary-action{width:100%}.ai-inline-actions{display:flex;gap:9px;flex-wrap:wrap}.ai-limits{display:grid;gap:8px;margin-top:12px}.ai-openai-panel{align-self:start}
.ai-settings-card .tool-choice { min-height: 92px; padding: 18px; gap: 14px; cursor: pointer; }
.ai-settings-card .tool-choice:has(input:checked) { border-color: var(--accent); background: rgba(45,211,111,.08); box-shadow: 0 0 0 2px rgba(45,211,111,.12); }
.ai-settings-card .tool-choice input { flex: 0 0 auto; }
.ai-settings-card .tool-choice b { font-size: 16px; }
.ai-settings-card .tool-choice small, .section-help { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; }
.section-label { margin: 26px 0 8px !important; padding-top: 20px; border-top: 1px solid var(--border); }
.section-label.first { margin-top: 14px !important; padding-top: 0; border-top: 0; }
.setting-toggle { display: flex !important; align-items: flex-start !important; gap: 12px !important; padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px; margin: 14px 0 16px !important; }
.setting-toggle input { margin-top: 3px; }
@media(max-width:900px){.ai-settings-grid{grid-template-columns:minmax(0,1fr)}.ai-provider-panel{grid-row:auto}.ai-page-heading{flex-direction:column}.ai-safe-badge{white-space:normal}}
.setting-toggle span, .setting-toggle small { display: block; }
.setting-toggle small { margin-top: 3px; color: var(--muted); line-height: 1.4; }
.ai-action-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 12px 0; }
.ai-action-grid .btn { margin: 0 !important; min-height: 48px; }
.ai-action-grid .btn small { display: block; font-size: 10px; opacity: .8; }
.device-login-help { margin-top: 6px; color: inherit !important; }
.device-login-code {
  width: fit-content; margin: 16px 0 12px; padding: 12px 18px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--bg);
  color: var(--text); font: 800 24px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 3px; user-select: all;
}
.device-login-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.device-login-actions .btn { margin: 0; padding: 10px 16px; font-size: 14px; }
@media (max-width: 680px) { .ai-settings-card { width:100%;max-width:100vw;padding:0;overflow:hidden } .ai-settings-card .grid,.ai-action-grid { grid-template-columns:minmax(0,1fr);min-width:0 } .ai-panel{padding:18px}.ai-panel-title,.ai-panel-title>div,.tool-choice,.tool-choice span,.setting-toggle span{min-width:0}.ai-page-heading p,.ai-panel-title p,.tool-choice small,.setting-toggle small{overflow-wrap:anywhere;word-break:normal}.ai-inline-actions .btn{flex:1;padding:12px} }
.history-row { display:flex; justify-content:space-between; gap:12px; align-items:center; padding:9px 12px; background:var(--surface-2); border-radius:8px; font-size:13px; }
.btn.small { padding:6px 10px; font-size:12px; }

.steps { max-width: 620px; margin: 32px auto; display: grid; gap: 16px; }
.step {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px;
}
.step .status {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; font-weight: 700;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
}
.step.done .status { background: var(--accent); border-color: var(--accent); color: #06210f; }
.step h3 { font-size: 17px; margin-bottom: 4px; }
.step p { color: var(--muted); font-size: 14px; }
.step .actions { margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.step code {
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 8px; font-size: 15px; letter-spacing: 1px;
}
.step .soon { font-size: 13px; color: var(--muted); font-style: italic; }