:root {
  color-scheme: dark;
  --app-bg: var(--tg-theme-bg-color, #101417);
  --surface: var(--tg-theme-secondary-bg-color, #171d20);
  --surface-raised: var(--tg-theme-section-bg-color, #1d2529);
  --text: var(--tg-theme-text-color, #f2f4f3);
  --muted: var(--tg-theme-hint-color, #879397);
  --accent: var(--tg-theme-accent-text-color, #b8f05a);
  --button: var(--tg-theme-button-color, #b8f05a);
  --button-text: var(--tg-theme-button-text-color, #101417);
  --danger: var(--tg-theme-destructive-text-color, #ff7474);
  --line: color-mix(in srgb, var(--text) 12%, transparent);
  --line-strong: color-mix(in srgb, var(--text) 22%, transparent);
  --shadow: 0 24px 70px rgba(0, 0, 0, .22);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--app-bg); }

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 90% -5%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 30rem),
    linear-gradient(145deg, var(--app-bg), color-mix(in srgb, var(--app-bg) 78%, #243035));
  font-size: 15px;
  line-height: 1.45;
}

button, input, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.app-shell { width: min(1160px, 100%); margin: 0 auto; padding: 22px 20px 34px; }

.topbar, .footer-line, .panel-heading, .subheading-line, .audit-toolbar, .form-actions {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}

.topbar { padding: 4px 0 28px; }
.brand-lockup h1 { margin: 3px 0 0; font-size: clamp(1.2rem, 2vw, 1.55rem); letter-spacing: .14em; font-weight: 750; }
.brand-lockup h1 span { color: var(--accent); font-weight: 450; }
.eyebrow, .section-kicker, .stat-label, .heading-code, .guard-badge, .footer-line {
  color: var(--muted); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
}
.section-kicker { display: block; color: var(--accent); font-weight: 750; }
.connection-pill { display: flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .75rem; white-space: nowrap; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); box-shadow: 0 0 0 4px color-mix(in srgb, var(--muted) 14%, transparent); }
.connection-pill.is-online .status-dot { background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent); }
.connection-pill.is-error .status-dot { background: var(--danger); box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 16%, transparent); }

.main-content { display: grid; gap: 14px; }
.hero-card { position: relative; min-height: 246px; display: flex; align-items: flex-end; justify-content: space-between; overflow: hidden; padding: clamp(24px, 5vw, 48px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(118deg, color-mix(in srgb, var(--surface-raised) 92%, var(--accent)), var(--surface)); box-shadow: var(--shadow); }
.hero-card::after { content: ""; position: absolute; inset: auto -10% -42%; height: 80%; background: repeating-linear-gradient(90deg, transparent 0 38px, color-mix(in srgb, var(--text) 5%, transparent) 39px 40px); transform: rotate(-8deg); pointer-events: none; }
.hero-copy { position: relative; z-index: 1; max-width: 570px; }
.hero-copy h2 { margin: 12px 0 13px; font-size: clamp(2.1rem, 7vw, 4.6rem); line-height: .98; letter-spacing: -.055em; font-weight: 760; }
.hero-copy h2 em { color: var(--accent); font-style: normal; font-weight: 430; }
.hero-copy p { max-width: 520px; margin: 0; color: var(--muted); }
.hero-card-simple { min-height: 0; align-items: center; padding-block: 30px; }
.hero-card-simple .hero-copy h2 { font-size: clamp(1.8rem, 5vw, 3.2rem); }
.hero-mark { position: relative; z-index: 1; width: 160px; height: 160px; flex: 0 0 160px; margin: 0 2vw 0 24px; border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent); border-radius: 50%; transform: rotate(13deg); }
.mark-ring { position: absolute; border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent); border-radius: 50%; }
.mark-ring-one { inset: 20px -16px; }
.mark-ring-two { inset: -16px 20px; }
.mark-core { position: absolute; inset: 59px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 35px color-mix(in srgb, var(--accent) 60%, transparent); }
.mark-label { position: absolute; left: 50%; bottom: -27px; color: var(--accent); font-size: .62rem; letter-spacing: .18em; transform: translateX(-50%) rotate(-13deg); white-space: nowrap; }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stat-card { min-height: 116px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: color-mix(in srgb, var(--surface) 88%, transparent); }
.stat-card-accent { background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.stat-card strong { display: block; margin-top: 13px; font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: -.04em; }
.stat-note { display: block; margin-top: 3px; color: var(--muted); font-size: .78rem; }

.tabbar { display: flex; gap: 4px; margin-top: 8px; padding: 5px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--surface) 72%, transparent); }
.tab-button, .segment { flex: 1; border: 0; border-radius: 10px; padding: 11px 14px; color: var(--muted); background: transparent; font-weight: 650; transition: background .18s ease, color .18s ease; }
.tab-button.is-active, .segment.is-active { color: var(--button-text); background: var(--button); }

.tab-panel { padding: clamp(20px, 4vw, 34px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface) 94%, transparent); }
.panel-heading { align-items: flex-start; margin-bottom: 28px; }
.panel-heading h2 { margin: 7px 0 0; font-size: clamp(1.35rem, 3vw, 2rem); letter-spacing: -.035em; }
.heading-code { padding-top: 5px; }
.panel-lead, .muted-copy { color: var(--muted); }
.panel-lead { max-width: 690px; margin: -12px 0 24px; }

.settings-form { display: grid; gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--line); }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 20px; background: var(--surface-raised); }
.setting-copy { display: grid; gap: 4px; }
.setting-copy strong { font-size: .97rem; }
.setting-copy small { max-width: 550px; color: var(--muted); font-size: .78rem; }
.switch { position: relative; display: inline-flex; flex: 0 0 auto; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track { width: 44px; height: 25px; border-radius: 999px; background: color-mix(in srgb, var(--muted) 30%, transparent); transition: background .18s ease; }
.switch-track::after { content: ""; position: absolute; top: 4px; left: 4px; width: 17px; height: 17px; border-radius: 50%; background: var(--text); transition: transform .18s ease, background .18s ease; }
.switch input:checked + .switch-track { background: var(--accent); }
.switch input:checked + .switch-track::after { background: var(--button-text); transform: translateX(19px); }

.series-block { padding: 25px 20px 22px; background: var(--surface); }
.series-block h3 { margin: 5px 0 0; font-size: 1.04rem; }
.guard-badge { padding: 5px 8px; border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); border-radius: 5px; color: var(--accent); font-size: .59rem; }
.muted-copy { margin: 17px 0 21px; font-size: .82rem; }
code { padding: 2px 5px; border-radius: 4px; color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, transparent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .86em; }
.range-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.range-field { display: grid; gap: 9px; color: var(--muted); font-size: .76rem; }
.range-field output { justify-self: end; margin-top: -26px; color: var(--text); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .85rem; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.form-actions { padding: 18px 20px; background: var(--surface-raised); }
.primary-button, .secondary-button, .danger-button { border: 0; border-radius: 10px; padding: 11px 15px; font-weight: 700; transition: transform .15s ease, filter .15s ease; }
.primary-button { color: var(--button-text); background: var(--button); }
.primary-button:hover, .secondary-button:hover, .danger-button:hover { filter: brightness(1.08); transform: translateY(-1px); }
.primary-button span { margin-left: 7px; font-size: 1.1em; }
.secondary-button { color: var(--text); border: 1px solid var(--line-strong); background: transparent; }
.save-state { min-height: 1.2em; color: var(--muted); font-size: .78rem; }
.info-strip { display: flex; gap: 12px; margin-top: 15px; padding: 14px 16px; border-left: 2px solid var(--accent); background: color-mix(in srgb, var(--accent) 5%, transparent); }
.info-strip p { margin: 0; color: var(--muted); font-size: .78rem; }
.info-symbol { display: grid; flex: 0 0 20px; place-items: center; width: 20px; height: 20px; border: 1px solid var(--accent); border-radius: 50%; color: var(--accent); font-size: .72rem; }
.quick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 15px; }
.quick-card { display: grid; gap: 5px; padding: 17px; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: var(--surface-raised); text-align: left; }
.quick-card strong { font-size: .95rem; }
.quick-card span { color: var(--muted); font-size: .75rem; }
.quick-card:hover { border-color: var(--accent); }

.chat-list { display: grid; gap: 12px; }
.chat-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); }
.chat-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.chat-card h3 { margin: 0; font-size: 1.05rem; }
.chat-handle { display: block; margin-top: 3px; color: var(--muted); font-size: .78rem; }
.chat-state { color: var(--accent); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.chat-state.is-off { color: var(--muted); }
.chat-mute-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 20px 0 16px; padding: 12px 14px; border-radius: 9px; background: color-mix(in srgb, var(--text) 5%, transparent); }
.chat-mute-row strong { font-size: .86rem; }
.chat-mute-row small { display: block; margin-top: 2px; color: var(--muted); font-size: .72rem; }
.filter-label { display: block; margin-bottom: 9px; color: var(--muted); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.type-chip { position: relative; }
.type-chip input { position: absolute; opacity: 0; }
.type-chip span { display: block; padding: 8px 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); font-size: .75rem; text-align: center; transition: color .15s ease, border .15s ease, background .15s ease; }
.type-chip input:checked + span { border-color: var(--accent); color: var(--button-text); background: var(--accent); }
.chat-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.chat-warning { margin: 13px 0 0; color: color-mix(in srgb, var(--danger) 80%, var(--text)); font-size: .75rem; }
.empty-state { padding: 35px 20px; border: 1px dashed var(--line-strong); border-radius: var(--radius-md); color: var(--muted); text-align: center; }

.audit-toolbar { align-items: stretch; margin-bottom: 19px; }
.segmented { display: flex; flex: 1; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-raised); }
.segment { padding: 9px 12px; font-size: .78rem; }
.select-wrap { position: relative; min-width: 180px; }
.select-wrap select { width: 100%; height: 100%; padding: 0 29px 0 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--surface-raised); }
.log-list { display: grid; gap: 10px; }
.log-entry { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-raised); }
.log-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); font-size: .72rem; }
.log-tag { padding: 4px 6px; border-radius: 4px; color: var(--button-text); background: var(--accent); font-size: .6rem; font-weight: 800; letter-spacing: .08em; }
.log-tag.edit { color: var(--text); background: color-mix(in srgb, var(--text) 14%, transparent); }
.log-entry h3 { margin: 11px 0 2px; font-size: .93rem; }
.log-subtitle { margin: 0; color: var(--muted); font-size: .75rem; }
.log-change-note { margin: 10px 0 0; color: var(--accent); font-size: .72rem; letter-spacing: .04em; }
.log-content { margin: 13px 0 0; padding: 11px 12px; border-left: 2px solid var(--line-strong); color: var(--text); background: color-mix(in srgb, var(--text) 3%, transparent); font-size: .82rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.edit-diff { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 13px; }
.diff-side { min-width: 0; padding: 10px; border-radius: 8px; background: color-mix(in srgb, var(--text) 4%, transparent); }
.diff-side small { display: block; margin-bottom: 6px; color: var(--muted); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }
.diff-side.before { border-top: 2px solid color-mix(in srgb, var(--danger) 70%, transparent); }
.diff-side.after { border-top: 2px solid var(--accent); }
.diff-side p { margin: 0; font-size: .79rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.load-more-wrap { display: flex; justify-content: center; margin-top: 18px; }

.danger-card { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 24px; border: 1px solid color-mix(in srgb, var(--danger) 32%, transparent); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--danger) 5%, var(--surface)); }
.danger-card h2 { margin: 5px 0 3px; font-size: 1rem; }
.danger-card p { max-width: 650px; margin: 0; color: var(--muted); font-size: .78rem; }
.danger-kicker { color: var(--danger); }
.danger-button { flex: 0 0 auto; color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent); background: transparent; }
.footer-line { padding: 22px 2px 0; font-size: .61rem; }
.footer-line span:last-child { color: var(--muted); letter-spacing: .04em; text-transform: none; }
.toast { position: fixed; z-index: 5; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom)); max-width: min(360px, calc(100% - 40px)); padding: 12px 15px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); background: var(--surface-raised); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .2s ease, transform .2s ease; }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 680px) {
  .app-shell { padding: 14px 12px 28px; }
  .topbar { padding-bottom: 18px; }
  .hero-card { min-height: 290px; align-items: flex-start; padding: 25px 21px; }
  .hero-mark { position: absolute; right: -28px; bottom: -24px; width: 145px; height: 145px; opacity: .75; }
  .stat-grid { gap: 7px; }
  .stat-card { min-height: 97px; padding: 13px 12px; }
  .stat-card strong { margin-top: 9px; font-size: 1.25rem; }
  .stat-note { font-size: .67rem; }
  .tab-button { padding: 10px 7px; font-size: .78rem; }
  .tab-panel { padding: 20px 14px; }
  .range-grid, .type-grid { grid-template-columns: repeat(2, 1fr); }
  .range-field:last-child { grid-column: 1 / -1; }
  .audit-toolbar { display: grid; }
  .select-wrap { min-height: 42px; }
  .danger-card { align-items: flex-start; flex-direction: column; padding: 20px; }
  .danger-button { width: 100%; }
  .quick-grid { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .connection-pill { padding: 7px; }
  .connection-pill #connection-label { display: none; }
  .heading-code { display: none; }
  .setting-row { padding: 16px 14px; }
  .series-block { padding: 21px 14px; }
  .form-actions { align-items: flex-start; flex-direction: column; padding: 16px 14px; }
  .primary-button { width: 100%; }
  .edit-diff { grid-template-columns: 1fr; }
}