:root {
  --bg: #09090B;
  --panel: #18181B;
  --panel-2: #1C1C1F;
  --border: #27272A;
  --text: #FAFAFA;
  --muted: #A1A1AA;
  --accent: #00E5D6;
  --accent-press: #00c3b6;
  --success: #4ADE80;
  --warn: #FBBF24;
  --danger: #FF2D6B;
  --on-accent: #09090B;
  --radius: 12px;
  --radius-sm: 8px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; overflow-x: hidden; }

body {
  background: radial-gradient(900px 420px at 50% -120px, rgba(0, 229, 214, 0.06), transparent 70%), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Geist', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
[hidden] { display: none !important; }

h1 { font-size: 20px; font-weight: 600; margin: 0; line-height: 1.3; }
h2 { font-size: 15px; font-weight: 600; margin: 0 0 4px; line-height: 1.4; }
p { margin: 0 0 12px; }
code { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; background: var(--panel-2); padding: 1px 6px; border-radius: 6px; }
a { color: var(--accent); }

.muted, .hint, .empty { color: var(--muted); font-size: 13px; }
.hint { display: block; margin: 8px 0; line-height: 1.5; }
.empty { padding: 12px 0; list-style: none; }
.error { color: var(--danger); font-size: 13px; margin: 0; min-height: 1em; }

/* Login */
#login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.login-card { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 12px; padding: 28px; }
.login-card p { margin: 0; }

/* Auth card — branded login / registration */
.auth-wrap { width: 100%; max-width: 384px; display: flex; flex-direction: column; gap: 14px; }
.auth-wrap .login-card { max-width: none; gap: 14px; padding: 30px 28px; position: relative; overflow: hidden; box-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.75); }
.auth-wrap .login-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0.85; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 2px; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 11px; color: var(--accent); background: rgba(0, 229, 214, 0.1); border: 1px solid rgba(0, 229, 214, 0.28); }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text h1 { font-size: 18px; }
.brand-tag { font-size: 12px; color: var(--muted); }
.auth-field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.auth-field input { width: 100%; margin-top: 0; font-size: 15px; font-weight: 400; color: var(--text); }
.invite-cta { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--panel-2); border: 1px solid var(--border); border-left: 2px solid var(--accent); }
.invite-cta .tg { flex: none; margin-top: 1px; color: var(--accent); }
.invite-cta strong { display: block; font-size: 13px; color: var(--text); }
.invite-cta span { font-size: 13px; color: var(--muted); }
.invite-cta a { font-weight: 600; white-space: nowrap; }
.auth-wrap #login-submit { margin-top: 4px; }
.auth-support { text-align: center; font-size: 12px; color: var(--muted); margin: 0; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px;
  background: var(--panel); border-bottom: 1px solid var(--border);
}
.topbar-right { display: flex; align-items: center; gap: 12px; }

/* Tabs */
.tabs {
  display: flex; gap: 4px; overflow-x: auto;
  padding: 0 16px; background: var(--bg); border-bottom: 1px solid var(--border);
}
.tab {
  background: transparent; border: 0; border-bottom: 2px solid transparent; border-radius: 0;
  color: var(--muted); padding: 12px 14px; font-weight: 500; white-space: nowrap; margin-bottom: -1px;
}
.tab:hover { background: transparent; color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.tab:focus-visible { outline-offset: -2px; border-radius: 6px; }

.content { max-width: 960px; margin: 0 auto; padding: 20px 16px 48px; }
.panel { display: flex; flex-direction: column; gap: 16px; }

/* Cards */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.card > p.muted { margin-bottom: 14px; }

/* Forms */
label { display: block; color: var(--muted); font-size: 13px; margin: 0 0 12px; }
label > input, label > select, label > textarea { margin-top: 6px; }

input, select, textarea {
  width: 100%; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 9px 12px; font: inherit; font-size: 14px;
}
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 0.7; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0, 229, 214, 0.22); }
input[type='checkbox'] { width: auto; margin: 0 4px 0 0; accent-color: var(--accent); }
input.num { width: 80px; }
input.wide { min-width: 220px; }
label.inline { display: flex; align-items: center; gap: 8px; margin: 0; }
label.inline input, label.inline select { margin-top: 0; width: auto; }

fieldset { border: 1px solid var(--border); border-radius: 10px; margin: 0 0 16px; padding: 16px 16px 4px; min-width: 0; }
legend { color: var(--text); font-weight: 600; font-size: 14px; padding: 0 8px; }

/* Buttons */
button {
  font: inherit; font-size: 14px; font-weight: 500; cursor: pointer;
  background: var(--accent); color: var(--on-accent); border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 9px 16px;
}
button:hover { background: var(--accent-press); }
button.secondary, button.ghost {
  background: var(--panel-2); color: var(--text); border-color: var(--border);
}
button.ghost { background: transparent; }
button.secondary:hover, button.ghost:hover { background: var(--panel-2); border-color: var(--muted); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Grids and rows */
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; align-items: end; }
.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid2 > button { align-self: end; margin-bottom: 12px; }
.start-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 14px; }
.send-row input { flex: 1 1 200px; width: auto; }
@media (max-width: 640px) {
  .grid2, .cols { grid-template-columns: 1fr; }
}

/* Status */
.status-row { display: flex; align-items: center; gap: 12px; }
.status-counts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.status-counts span { background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; padding: 3px 12px; font-size: 13px; color: var(--muted); }
.status-counts b { color: var(--text); font-weight: 600; }
.status-counts small { font-size: 11px; }
.status-counts .counts-reset { padding: 3px 12px; font-size: 12px; border-radius: 999px; }

.dot { display: inline-block; flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--success); }
.dot.off { background: var(--muted); }
.dot.bad { background: var(--danger); }
@media (prefers-reduced-motion: no-preference) {
  .dot.ok { animation: pulse 2s ease-in-out infinite; }
  @keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); }
    50% { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
  }
}

/* Lists */
.list { list-style: none; margin: 0 0 12px; padding: 0; max-height: 360px; overflow-y: auto; }
.list li { padding: 12px 2px; border-bottom: 1px solid var(--border); font-size: 14px; overflow-wrap: anywhere; }
.list li:last-child { border-bottom: 0; }
.list .meta { color: var(--muted); font-size: 13px; margin-top: 4px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.list button { padding: 4px 10px; font-size: 13px; }
.list li label { display: inline; margin: 0; }

.codes { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; margin-bottom: 8px; }
.preview {
  white-space: pre-wrap; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px; margin-top: 14px; font-size: 14px; overflow-wrap: anywhere;
}
/* HTML email preview: the iframe owns the content, so drop text styling and let
   it fill the panel width (email tables shrink to fit — including on phones). */
.preview.as-html { white-space: normal; padding: 0; background: #fff; overflow: hidden; }
.preview-frame { display: block; width: 100%; border: 0; min-height: 200px; background: #fff; }

/* Badges */
.badge {
  display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: 12px; font-weight: 500;
  line-height: 1.6; vertical-align: middle; background: rgba(161, 161, 170, 0.14); color: var(--muted);
}
.badge.ack, .badge.sent { background: rgba(74, 222, 128, 0.14); color: var(--success); }
.badge.details { background: rgba(251, 191, 36, 0.14); color: var(--warn); }
.badge.pending { background: rgba(251, 191, 36, 0.14); color: var(--warn); }
.badge.skip, .badge.skipped { background: rgba(161, 161, 170, 0.14); color: var(--muted); }
.badge.rejected { background: rgba(255, 45, 107, 0.14); color: var(--danger); }
h2 .badge { margin-left: 8px; }

/* Mono helper: counts, numbers, invite codes */
.mono, .status-counts b, #invite-list code { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; }
#invite-list code { color: var(--accent); background: var(--panel-2); }

/* Error log */
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.card-head h2 { margin: 0; }
.card-head .actions { display: flex; gap: 8px; }
.card-head button { padding: 5px 12px; font-size: 13px; }
.err-row .err-meta { color: var(--muted); font-size: 12px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.err-row .err-ctx { color: var(--danger); font-weight: 500; }
.err-row .err-msg { margin: 4px 0 6px; color: var(--text); font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 13px; }
.explain-out { margin-top: 8px; padding: 10px 12px; white-space: pre-wrap; background: var(--panel-2); border: 1px solid var(--border); border-left: 2px solid var(--accent); border-radius: var(--radius-sm); font-size: 14px; }
.spinner { display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -2px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Info callout at top of the Settings form */
.info-callout {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(0, 229, 214, 0.08); border: 1px solid rgba(0, 229, 214, 0.3);
  border-radius: var(--radius-sm); padding: 12px 14px; margin: 4px 0 16px; font-size: 14px; line-height: 1.5;
}
.info-callout .info-ico {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); color: var(--on-accent);
  font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center;
}
.info-callout b { color: var(--text); }

/* Amber warning callout (e.g. AI model vs base-URL mismatch) */
.warn-callout {
  background: rgba(251, 191, 36, 0.1); border: 1px solid rgba(251, 191, 36, 0.4);
  border-radius: var(--radius-sm); padding: 10px 12px; margin: 4px 0 10px; font-size: 13px; line-height: 1.5; color: var(--text);
}
.warn-callout code { background: rgba(0, 0, 0, 0.25); }
.paused-callout { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.paused-callout button { flex: none; }

/* A field the user still needs to fill (flagged after “New”) */
.needs-fill {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px rgba(255, 45, 107, 0.18) !important;
  background: rgba(255, 45, 107, 0.06) !important;
}

/* Transport-specific field groups */
.xport { display: flex; flex-direction: column; }
.xport .grid2 { align-items: start; }

/* Account connection-test results */
.account-test { gap: 14px; }
.account-test:empty { display: none; }
.chk-ok { color: var(--success); font-weight: 500; }
.chk-bad { color: var(--danger); font-weight: 500; }
.acct-live { font-size: 12px; font-weight: 500; margin-left: 6px; }
.arm-toggle { background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; font-size: 13px; color: var(--text); }
.arm-toggle input:checked { accent-color: var(--success); }

/* Paste-your-own-HTML block in Compose */
.paste-block { margin-top: 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 14px; background: var(--panel-2); }
.paste-block > summary { cursor: pointer; padding: 12px 0; font-weight: 500; color: var(--text); list-style: none; }
.paste-block > summary::-webkit-details-marker { display: none; }
.paste-block > summary::before { content: '＋ '; color: var(--accent); }
.paste-block[open] > summary::before { content: '－ '; }
.paste-block[open] { padding-bottom: 14px; }

.auto-details-box {
  margin-top: 14px; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--panel);
}
.auto-toggle {
  display: flex; align-items: center; gap: 10px; margin: 0; cursor: pointer;
  color: var(--text); font-size: 14px; font-weight: 600;
}
.auto-toggle input { width: auto; margin: 0; accent-color: var(--accent); }
.auto-toggle input:disabled { cursor: not-allowed; }
.auto-toggle input:disabled + span { color: var(--muted); }
.auto-details-box .hint { margin-bottom: 0; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}