/* ─── Fonts ──────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@600&display=swap');

/* ─── Design tokens (dark) ───────────────────────────────────── */
:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #242836;
  --border: #2e3346;
  --text: #e1e4ed;
  --text-muted: #8b90a0;
  --accent: #126ed3;
  --accent-dim: #126ed322;
  --green: #4ade80;
  --green-dim: #4ade8018;
  --orange: #fb923c;
  --red: #f87171;
  --pill-bg: #272b3a;
  --pill-border: #363c52;
}

/* ─── Light theme ────────────────────────────────────────────── */
[data-theme="light"] {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --surface2: #f0f2f5;
  --border: #dde1ea;
  --text: #1e2133;
  --text-muted: #626d8a;
  --accent: #3684c8;
  --accent-dim: #3684c820;
  --green: #07a35a;
  --green-dim: #07a35a18;
  --orange: #ed7d20;
  --red: #e1434c;
  --pill-bg: #eaecf5;
  --pill-border: #cdd1df;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
}

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

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ─── Nav ────────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 57px;
}
.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}
.logo:hover { text-decoration: none; opacity: 0.85; }
.logo svg,
.logo img { display: block; flex-shrink: 0; height: 40px; width: auto; }
/* Show the logo variant that matches the current theme. Default theme is dark. */
.logo .logo-mark-light { display: none; }
[data-theme="light"] .logo .logo-mark-dark { display: none; }
[data-theme="light"] .logo .logo-mark-light { display: block; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s;
}
.nav-link:hover { color: var(--text); background: var(--surface2); text-decoration: none; }
.nav-link.active { color: var(--accent); }
.nav-feedback {
  background: var(--accent);
  color: #fff !important;
  border-radius: 999px;
  padding: 5px 14px;
}
.nav-feedback:hover {
  opacity: 0.88;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
}
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  transition: all 0.15s;
  flex-shrink: 0;
  font-family: inherit;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 56px 24px 24px;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}
.hero h1 {
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 12px;
}
.hero h1 span { color: var(--accent); }
.hero .tagline {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.5;
}
.hero .subline {
  font-size: 13px;
  color: var(--text-muted);
}
.hero .subline a { color: var(--accent); }

/* ─── Page layout (wizard) ───────────────────────────────────── */
.page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px 24px;
  width: 100%;
}
.layout-grid {
  display: grid;
  grid-template-columns: 1fr 500px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 1100px) {
  .layout-grid { grid-template-columns: 1fr; }
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}
.step-number {
  background: var(--accent);
  color: #fff;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── Forms & inputs ─────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-group:last-child { margin-bottom: 0; }

label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}
.help-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: block;
}

input[type="text"], input[type="password"], select {
  width: 100%;
  padding: 8px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}
input[type="text"]::placeholder, input[type="password"]::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}
input[type="text"]:focus, input[type="password"]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
}
input[type="text"]:hover:not(:focus), input[type="password"]:hover:not(:focus), select:hover:not(:focus) {
  border-color: var(--accent);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%238b90a0'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  cursor: pointer;
  padding-right: 36px;
}

/* ─── Segmented control (tab-group style) ────────────────────── */
.segmented-control {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  width: fit-content;
  max-width: 100%;
}
.segment-btn {
  padding: 7px 14px;
  background: var(--surface2);
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.segment-btn:not(:last-child) { border-right: 1px solid var(--border); }
.segment-btn:hover { color: var(--text); }
.segment-btn.active { background: var(--accent); color: #fff; }

/* ─── Radio cards (transport choices) ────────────────────────── */
.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-card {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--surface2);
}
.radio-card:hover { border-color: var(--accent); }
.radio-card input[type="radio"] {
  margin-right: 12px;
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}
.radio-card.active {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.radio-content { display: flex; flex-direction: column; }
.radio-title { font-weight: 600; color: var(--text); font-size: 14px; }
.radio-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ─── Checkboxes / toolsets grid ─────────────────────────────── */
.grid-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 5px;
  transition: background 0.15s;
  font-weight: normal;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 0;
}
.checkbox-label:hover { background: var(--surface2); }
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ─── Preview panel ──────────────────────────────────────────── */
.preview-sticky {
  position: sticky;
  top: 73px; /* nav is 57px + small gap */
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.code-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.client-badge {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 11px;
}
pre, code {
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
}
pre {
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0;
  font-size: 12.5px;
  color: var(--text);
  line-height: 1.6;
  background: var(--surface);
}
code {
  font-size: 12.5px;
  background: var(--surface2);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border);
}
pre code {
  background: transparent;
  border: none;
  padding: 0;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); background: var(--accent-dim); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  width: 100%;
  padding: 10px 18px;
  font-size: 14px;
}
.btn-primary:hover { opacity: 0.88; background: var(--accent); border-color: var(--accent); }
.btn-primary:disabled {
  background: var(--surface2);
  border-color: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 1;
}
.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.btn-secondary:hover { color: var(--accent); border-color: var(--accent); }

/* ─── Alerts & notes ─────────────────────────────────────────── */
.alert {
  padding: 12px 14px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 13px;
  line-height: 1.5;
}
.alert-info {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--text);
}
.alert-info a { color: var(--accent); font-weight: 600; }

.security-note {
  background: #fb923c14;
  border: 1px solid #fb923c55;
  border-radius: 6px;
  margin: 14px 0;
  font-size: 13px;
  line-height: 1.6;
}
.security-note summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--orange);
  font-weight: 500;
  list-style: none;
  user-select: none;
}
.security-note summary::-webkit-details-marker { display: none; }
.security-note summary::after {
  content: '▸';
  margin-left: auto;
  font-size: 11px;
  transition: transform 0.2s ease;
}
.security-note[open] summary::after { transform: rotate(90deg); }
.security-note-body { padding: 0 14px 12px 14px; color: var(--text-muted); }
.security-note-body ul { margin: 8px 0 0 16px; }
.security-note-body li { margin-bottom: 6px; }

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 20px 24px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.footer a { color: var(--text-muted); }
.footer a:hover { color: var(--accent); }
.footer .sep { color: var(--border); }

/* ─── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--green);
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 1000;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ─── Helpers ────────────────────────────────────────────────── */
.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.2s ease-in; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ─── Feedback FAB ────────────────────────────────────────────── */
.feedback-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.feedback-fab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
  box-shadow: 0 4px 20px rgba(18,110,211,0.4);
}
.feedback-fab-btn:hover {
  opacity: 0.9;
  box-shadow: 0 6px 24px rgba(18,110,211,0.5);
}
.feedback-fab-popover {
  display: none;
  width: 260px;
  padding: 20px;
  margin-bottom: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  text-align: center;
  position: relative;
}
.feedback-fab.open .feedback-fab-popover {
  display: block;
  animation: fab-slide-up 0.2s ease-out;
}
.feedback-fab.open .feedback-fab-btn {
  background: var(--surface2);
  color: var(--text);
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}
@keyframes fab-slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.feedback-fab-x {
  position: absolute;
  top: 6px;
  right: 6px;
  background: none;
  border: none;
  color: var(--text-muted);
  width: 22px;
  height: 22px;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feedback-fab-x:hover { color: var(--text); }
.feedback-fab-x svg { width: 14px; height: 14px; }
.feedback-fab-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text);
}
.feedback-fab-popover .btn {
  width: 100%;
  justify-content: center;
  padding: 10px 22px;
  font-size: 14px;
}
.feedback-fab-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  margin-top: 10px;
  display: block;
  width: 100%;
}
.feedback-fab-close:hover { color: var(--text); }

/* Responsive niceties */
@media (max-width: 640px) {
  .page-container { padding: 12px 16px 16px; }
  .hero { padding: 32px 16px 16px; }
  .hero h1 { font-size: 30px; }
  .hero .tagline { font-size: 14px; }
  .card { padding: 16px; }
}