:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #222222;
  --border-bright: #333333;
  --accent: #c8f135;
  --accent-dim: rgba(200,241,53,0.12);
  --accent-dim2: rgba(200,241,53,0.06);
  --text: #e8e8e8;
  --text-muted: #666;
  --text-dim: #999;
  --danger: #ff4444;
  --danger-dim: rgba(255,68,68,0.12);
  --blue: #4dabf7;
  --blue-dim: rgba(77,171,247,0.12);
  --radius: 2px;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-sans: 'IBM Plex Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── TOP BAR ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.logo {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}
.logo span { color: var(--text-muted); }
#user-info {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
}
#user-info .name { color: var(--text-dim); }

/* ── NAV TABS ── */
nav {
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex;
  gap: 0;
}
.tab {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 20px 12px;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  user-select: none;
}
.tab:hover { color: var(--text-dim); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── MAIN CONTENT ── */
main {
  flex: 1;
  padding: 32px 28px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

.page { display: none; }
.page.active { display: flex; flex-direction: column; width: 100%; }

/* ── SECTION LABELS ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}
.card-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ── FORM ELEMENTS ── */
.field { margin-bottom: 14px; }
label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: var(--accent); }
input::placeholder { color: var(--text-muted); }

/* ── BUTTONS ── */
.btn {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 9px 20px;
  border: 1px solid;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0a;
}
.btn-primary:hover { background: #d4f54a; }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-ghost {
  background: transparent;
  border-color: var(--border-bright);
  color: var(--text-dim);
}
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }
.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger:hover { background: var(--danger-dim); }

.btn-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
  flex-wrap: wrap;
}

/* ── STATUS / ALERTS ── */
.alert {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid;
  margin-top: 14px;
  display: none;
}
.alert.show { display: block; }
.alert-success { background: var(--accent-dim2); border-color: rgba(200,241,53,0.3); color: var(--accent); }
.alert-error   { background: var(--danger-dim);  border-color: rgba(255,68,68,0.3);  color: var(--danger); }
.alert-info    { background: var(--blue-dim);    border-color: rgba(77,171,247,0.3); color: var(--blue); }

/* ── STATUS BADGE ── */
.badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius);
  border: 1px solid;
  display: inline-block;
}
.badge-connected { background: var(--accent-dim2); border-color: rgba(200,241,53,0.35); color: var(--accent); }
.badge-disconnected { background: var(--danger-dim); border-color: rgba(255,68,68,0.3); color: var(--danger); }

/* ── TOKEN STATUS ROW ── */
.token-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.token-row:last-child { border-bottom: none; }
.token-key {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}
.token-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  max-width: 380px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── COLLAPSIBLE SECTIONS ── */
.collapsible-section {
  padding: 0 !important;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.collapsible-section:hover {
  border-color: var(--border-bright);
}
.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  background: var(--surface);
  transition: background 0.15s ease;
  gap: 16px;
}
.collapsible-header:hover {
  background: rgba(255, 255, 255, 0.025);
}
.collapsible-section:not(.collapsed) .collapsible-header {
  border-bottom: 1px solid var(--border);
}
.sync-header-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.collapse-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px !important;
  color: var(--text-dim) !important;
  border: 1px solid var(--border-bright) !important;
  padding: 6px 12px !important;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
}
.collapse-btn:hover {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
  background: var(--accent-dim2) !important;
}
.collapsible-icon {
  font-size: 10px;
  color: var(--accent);
  transition: transform 0.2s ease-in-out;
  display: inline-block;
  line-height: 1;
}
.collapsible-section.collapsed .collapsible-icon {
  transform: rotate(-90deg);
}
.collapsible-body {
  padding: 20px;
}
.collapsible-section.collapsed .collapsible-body {
  display: none !important;
}
.sync-section-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
}

/* ── SYNC STATUS ── */
.sync-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.sync-row:last-child { border-bottom: none; }
.sync-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.sync-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ── FILTER EDITOR ── */
.filter-container {
  margin-top: 16px;
  display: none;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.filter-container.show { display: block; }
.filter-editor {
  width: 100%;
  height: 120px;
  background: var(--bg);
  border: 1px solid var(--border-bright);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px;
  margin-bottom: 12px;
  resize: vertical;
  border-radius: var(--radius);
  outline: none;
}
.filter-editor:focus { border-color: var(--accent); }

/* ── AUTH GATE ── */
#auth-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 40px 20px;
}
.auth-box {
  width: 100%;
  max-width: 400px;
}
.auth-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.auth-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.auth-toggle {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 14px;
  text-align: center;
}
.auth-toggle a {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}
.auth-toggle a:hover { text-decoration: underline; }

/* ── APP SHELL ── */
#app-shell { display: none; flex-direction: column; flex: 1; }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.checkbox-row input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

.input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.15s;
}
.input:focus { border-color: var(--accent); }

.btn-xs {
  padding: 4px 10px;
  font-size: 9px;
}