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

:root {
  --bg-base:      #0d0f14;
  --bg-surface:   #141720;
  --bg-card:      #1a1e2a;
  --bg-card-hover:#1e2332;
  --bg-input:     #0f1219;
  --border:       #252b3b;
  --border-light: #2e3549;

  --accent:       #00e5ff;
  --accent-dim:   rgba(0,229,255,.15);
  --accent-glow:  rgba(0,229,255,.4);

  --green:        #00ff88;
  --green-dim:    rgba(0,255,136,.15);
  --yellow:       #ffca28;
  --yellow-dim:   rgba(255,202,40,.15);
  --orange:       #ff7043;
  --orange-dim:   rgba(255,112,67,.15);
  --red:          #ff1744;
  --red-dim:      rgba(255,23,68,.15);
  --purple:       #d500f9;
  --purple-dim:   rgba(213,0,249,.15);

  --text-primary:   #e8ecf4;
  --text-secondary: #7b859e;
  --text-muted:     #4a5269;

  --sidebar-w:    260px;
  --radius:       10px;
  --radius-sm:    6px;
  --transition:   .18s ease;

  --font-sans: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html { font-size: 14px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

/* ─── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}
.sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); }

.sidebar-header {
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 34px; height: 34px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.logo-text {
  font-size: 15px; font-weight: 800; letter-spacing: .5px;
  color: var(--text-primary);
}
.sidebar-toggle {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 18px; padding: 4px;
  transition: color var(--transition);
}
.sidebar-toggle:hover { color: var(--text-primary); }

.sidebar-nav { flex: 1; padding: 14px 12px; display: flex; flex-direction: column; gap: 4px; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px; font-weight: 600;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.nav-item:hover {
  color: var(--text-primary);
  background: var(--bg-card);
  border-color: var(--border);
}
.nav-item.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: rgba(0,229,255,.3);
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.nav-label { letter-spacing: .2px; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 8px;
}
.stat-row {
  display: flex; justify-content: space-between; align-items: center;
}
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .8px; }
.stat-val { font-family: var(--font-mono); font-size: 13px; color: var(--accent); font-weight: 700; }

/* ─── MAIN CONTENT ──────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  padding: 36px 40px;
  transition: margin-left var(--transition);
}
.main.expanded { margin-left: 0; }

/* ─── PAGE HEADER ───────────────────────────────────────────── */
.page-header { margin-bottom: 28px; }
.page-title {
  font-size: 26px; font-weight: 800; letter-spacing: -.3px;
  color: var(--text-primary); margin-bottom: 6px;
}
.page-subtitle { font-size: 13px; color: var(--text-muted); }

/* ─── TABS ──────────────────────────────────────────────────── */
.tab-content { display: none; animation: fadeIn .25s ease; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }

/* ─── CARD ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px;
}
.card-title {
  font-size: 14px; font-weight: 700;
  color: var(--text-primary); letter-spacing: .2px;
}
.card-actions { display: flex; gap: 10px; align-items: center; }

/* ─── FORM ──────────────────────────────────────────────────── */
.form-row {
  display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px;
}
.input-group { flex: 1; min-width: 200px; }
.input-group--sm { flex: 0 0 140px; min-width: 120px; }
.input-group--full { flex: 1 1 100%; }
.input-label {
  display: block; font-size: 11px; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase;
  letter-spacing: .8px; margin-bottom: 6px;
}
.input-wrapper { position: relative; }
.input-prefix {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-size: 14px; pointer-events: none; color: var(--text-muted);
}
.input-field {
  width: 100%; padding: 10px 14px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: var(--font-sans); font-size: 13px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.input-wrapper .input-field { padding-left: 34px; }
.input-field:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.input-field::placeholder { color: var(--text-muted); }
.input-field--sm { padding: 7px 10px; font-size: 12px; }
select.input-field { cursor: pointer; }

.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ─── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: 13px; font-weight: 700;
  cursor: pointer; border: 1px solid transparent;
  transition: all var(--transition); white-space: nowrap;
  letter-spacing: .2px;
}
.btn--primary {
  background: var(--accent); color: var(--bg-base);
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}
.btn--primary:hover {
  background: #33ebff;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}
.btn--secondary {
  background: var(--green-dim); color: var(--green);
  border-color: rgba(0,255,136,.35);
}
.btn--secondary:hover { background: rgba(0,255,136,.25); }
.btn--ghost {
  background: var(--bg-input); color: var(--text-secondary);
  border-color: var(--border);
}
.btn--ghost:hover { color: var(--text-primary); border-color: var(--border-light); }
.btn--danger-ghost {
  background: var(--red-dim); color: var(--red);
  border-color: rgba(255,23,68,.3);
}
.btn--danger-ghost:hover { background: rgba(255,23,68,.25); }
.btn--sm { padding: 7px 13px; font-size: 12px; }
.btn--icon-only { padding: 9px 11px; }
.btn:disabled { opacity: .4; pointer-events: none; }
.btn-icon { font-size: 14px; }

/* ─── PROGRESS BAR ──────────────────────────────────────────── */
.progress-bar-wrap {
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.progress-bar {
  height: 4px; background: var(--bg-input);
  border-radius: 2px; overflow: hidden; margin-bottom: 8px;
}
.progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 2px;
  transition: width .4s ease;
  animation: progressPulse 1.5s ease-in-out infinite;
}
@keyframes progressPulse {
  0%,100% { box-shadow: 0 0 8px var(--accent-glow); }
  50%      { box-shadow: 0 0 16px var(--accent-glow); }
}
.progress-label { font-size: 12px; color: var(--text-secondary); font-family: var(--font-mono); }

/* ─── RESULT SUMMARY ────────────────────────────────────────── */
.result-summary {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px; padding: 18px 20px;
}
.summary-item { text-align: center; }
.summary-value {
  font-family: var(--font-mono); font-size: 22px; font-weight: 700;
  color: var(--accent); display: block; margin-bottom: 4px;
}
.summary-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .8px; }
.summary-value.ok     { color: var(--green); }
.summary-value.warn   { color: var(--yellow); }
.summary-value.error  { color: var(--red); }

/* ─── CHAIN TIMELINE ────────────────────────────────────────── */
.chain-timeline { display: flex; flex-direction: column; gap: 0; }

.chain-step {
  display: flex; gap: 0;
  animation: stepIn .3s ease both;
}
@keyframes stepIn {
  from { opacity:0; transform: translateX(-10px); }
  to   { opacity:1; transform: none; }
}
.chain-step:nth-child(1)  { animation-delay: .05s; }
.chain-step:nth-child(2)  { animation-delay: .10s; }
.chain-step:nth-child(3)  { animation-delay: .15s; }
.chain-step:nth-child(4)  { animation-delay: .20s; }
.chain-step:nth-child(5)  { animation-delay: .25s; }
.chain-step:nth-child(n+6){ animation-delay: .30s; }

.step-connector {
  display: flex; flex-direction: column; align-items: center;
  width: 44px; flex-shrink: 0;
}
.step-node {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  flex-shrink: 0; position: relative; z-index: 1;
}
.step-node.status-success    { background: var(--green-dim); border: 2px solid var(--green); color: var(--green); }
.step-node.status-redirect   { background: var(--yellow-dim); border: 2px solid var(--yellow); color: var(--yellow); }
.step-node.status-client-error { background: var(--orange-dim); border: 2px solid var(--orange); color: var(--orange); }
.step-node.status-server-error { background: var(--red-dim); border: 2px solid var(--red); color: var(--red); }
.step-node.status-error      { background: var(--red-dim); border: 2px solid var(--red); color: var(--red); }
.step-node.status-loop       { background: var(--purple-dim); border: 2px solid var(--purple); color: var(--purple); }
.step-node.status-info       { background: var(--accent-dim); border: 2px solid var(--accent); color: var(--accent); }

.step-line {
  width: 2px; flex: 1; min-height: 16px;
  background: linear-gradient(to bottom, var(--border-light), var(--border));
}
.chain-step:last-child .step-line { display: none; }

.step-body {
  flex: 1; padding: 4px 0 20px 16px;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color var(--transition);
  cursor: pointer;
}
.step-card:hover { border-color: var(--border-light); background: var(--bg-card-hover); }
.step-card.is-final { border-color: var(--green); box-shadow: 0 0 10px var(--green-dim); }
.step-card.has-error { border-color: var(--red); box-shadow: 0 0 10px var(--red-dim); }

.step-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.step-hop-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .8px; }

.status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 20px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
}
.status-badge.s-2xx { background: var(--green-dim); color: var(--green); border: 1px solid rgba(0,255,136,.3); }
.status-badge.s-3xx { background: var(--yellow-dim); color: var(--yellow); border: 1px solid rgba(255,202,40,.3); }
.status-badge.s-4xx { background: var(--orange-dim); color: var(--orange); border: 1px solid rgba(255,112,67,.3); }
.status-badge.s-5xx { background: var(--red-dim); color: var(--red); border: 1px solid rgba(255,23,68,.3); }
.status-badge.s-err { background: var(--red-dim); color: var(--red); border: 1px solid rgba(255,23,68,.3); }
.status-badge.s-loop { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(213,0,249,.3); }

.step-url {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-primary);
  word-break: break-all; margin-bottom: 6px;
}
.step-meta {
  display: flex; gap: 14px; flex-wrap: wrap;
}
.step-meta-item {
  font-size: 11px; color: var(--text-muted);
  display: flex; align-items: center; gap: 4px;
}
.step-meta-item span { color: var(--text-secondary); }

.step-headers { display: none; margin-top: 10px; }
.step-headers.open { display: block; }
.headers-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--font-mono); font-size: 11px;
}
.headers-table td { padding: 4px 8px; border-bottom: 1px solid var(--border); }
.headers-table td:first-child { color: var(--text-muted); width: 200px; }
.headers-table td:last-child { color: var(--text-secondary); word-break: break-all; }

.step-final-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 20px; font-size: 10px; font-weight: 700;
  background: var(--green-dim); color: var(--green); border: 1px solid rgba(0,255,136,.3);
  text-transform: uppercase; letter-spacing: .6px;
}
.step-redirect-arrow {
  font-size: 11px; color: var(--yellow);
  margin-top: 6px; display: flex; align-items: center; gap: 5px;
}

/* ─── DOMAIN LIST ───────────────────────────────────────────── */
.domain-list { display: flex; flex-direction: column; gap: 10px; }

.domain-item {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 14px;
  transition: all var(--transition);
}
.domain-item:hover { border-color: var(--border-light); background: var(--bg-card-hover); }

.domain-icon {
  width: 38px; height: 38px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(0,229,255,.2);
}
.domain-info { flex: 1; min-width: 0; }
.domain-name { font-size: 13.5px; font-weight: 700; color: var(--text-primary); margin-bottom: 3px; }
.domain-url {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.domain-meta { display: flex; gap: 8px; margin-top: 5px; flex-wrap: wrap; }

.cat-badge {
  padding: 2px 8px; border-radius: 20px; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .6px;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(0,229,255,.2);
}
.cat-badge.cat-ads     { background: var(--orange-dim); color: var(--orange); border-color: rgba(255,112,67,.2); }
.cat-badge.cat-social  { background: var(--purple-dim); color: var(--purple); border-color: rgba(213,0,249,.2); }
.cat-badge.cat-cdn     { background: var(--green-dim); color: var(--green); border-color: rgba(0,255,136,.2); }
.cat-badge.cat-payment { background: var(--yellow-dim); color: var(--yellow); border-color: rgba(255,202,40,.2); }

.domain-steps-count {
  font-size: 11px; color: var(--text-muted);
}

.domain-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
  width: 30px; height: 30px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-secondary);
  transition: all var(--transition);
}
.icon-btn:hover { color: var(--text-primary); border-color: var(--border-light); }
.icon-btn.danger:hover { color: var(--red); border-color: rgba(255,23,68,.3); background: var(--red-dim); }
.icon-btn.primary:hover { color: var(--accent); border-color: rgba(0,229,255,.3); background: var(--accent-dim); }

/* ─── REDIRECT CHAIN (management) ──────────────────────────── */
.chain-mini {
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 10px;
  display: flex; flex-direction: column; gap: 4px;
}
.chain-mini-step {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.chain-mini-step:last-child { border-bottom: none; }
.chain-mini-url { font-family: var(--font-mono); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── DIAGRAM ───────────────────────────────────────────────── */
.diagram-wrap {
  position: relative; min-height: 500px;
  padding: 0; overflow: hidden;
  background: var(--bg-card);
}
#diagramSvg {
  width: 100%; height: 600px;
  display: none;
}
.diagram-placeholder {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-height: 400px;
  gap: 16px; color: var(--text-muted);
}
.placeholder-icon { font-size: 52px; opacity: .2; }
.diagram-placeholder p { font-size: 14px; }

.diagram-legend {
  position: absolute; bottom: 16px; left: 16px;
  display: flex; gap: 14px; flex-wrap: wrap;
  padding: 8px 14px;
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.legend-item { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text-secondary); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-2xx { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot-3xx { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }
.dot-4xx { background: var(--orange); box-shadow: 0 0 6px var(--orange); }
.dot-5xx { background: var(--red); box-shadow: 0 0 6px var(--red); }

/* D3 Diagram Elements */
.d3-node { cursor: pointer; transition: filter .2s; }
.d3-node:hover { filter: brightness(1.3); }
.d3-link { fill: none; stroke-width: 2; opacity: .7; }
.d3-link-label { font-family: var(--font-mono); font-size: 10px; fill: var(--text-muted); }
.d3-node-label { font-family: var(--font-mono); font-size: 10px; fill: var(--text-primary); pointer-events: none; }
.d3-node-status { font-family: var(--font-mono); font-size: 9px; font-weight: 700; pointer-events: none; }

/* Mini diagrams */
.mini-diagrams-wrap { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; margin-top: 4px; }
.mini-diagram-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color var(--transition);
}
.mini-diagram-card:hover { border-color: var(--border-light); }
.mini-diagram-header {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.mini-diagram-title { font-size: 12.5px; font-weight: 700; color: var(--text-primary); }
.mini-diagram-svg { width: 100%; display: block; }

/* ─── HISTORY ───────────────────────────────────────────────── */
.history-list { display: flex; flex-direction: column; gap: 8px; }
.history-item {
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 16px;
  display: flex; align-items: center; gap: 12px; cursor: pointer;
  transition: all var(--transition);
}
.history-item:hover { border-color: var(--border-light); background: var(--bg-card-hover); }
.history-url { font-family: var(--font-mono); font-size: 12px; color: var(--text-primary); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-meta { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.history-time { font-size: 10px; color: var(--text-muted); white-space: nowrap; }

/* ─── MODAL ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75); backdrop-filter: blur(4px);
  z-index: 500; display: none;
  align-items: flex-start; justify-content: center;
  padding: 60px 20px; overflow-y: auto;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius); width: 100%; max-width: 720px;
  box-shadow: 0 24px 60px rgba(0,0,0,.6);
  animation: modalIn .2s ease;
}
@keyframes modalIn { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:none; } }
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.modal-title { font-size: 15px; font-weight: 700; }
.modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 18px; cursor: pointer; transition: color var(--transition);
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 22px 24px; }

/* ─── TOAST ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 1000; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 18px;
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  animation: toastIn .25s ease;
  display: flex; align-items: center; gap: 9px;
  min-width: 260px; max-width: 360px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--accent); }
@keyframes toastIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:none; } }
@keyframes toastOut { to { opacity:0; transform:translateX(20px); } }

/* ─── UTILITIES ─────────────────────────────────────────────── */
.hidden { display: none !important; }
.empty-state { text-align: center; padding: 36px 20px; color: var(--text-muted); font-size: 13px; }
.text-mono { font-family: var(--font-mono); }
.text-accent { color: var(--accent); }
.text-green { color: var(--green); }
.text-yellow { color: var(--yellow); }
.text-red { color: var(--red); }

.expand-btn {
  background: none; border: none; cursor: pointer;
  font-size: 11px; color: var(--text-muted);
  padding: 2px 0; transition: color var(--transition);
  font-family: var(--font-sans);
}
.expand-btn:hover { color: var(--accent); }

/* ─── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: 24px 20px; }
  .form-row { flex-direction: column; }
  .input-group--sm { flex: 1 1 auto; }
}

/* ── LP GROUPS ─────────────────────────────────────────────────── */
.lp-group-list{display:flex;flex-direction:column;gap:16px}
.lp-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color var(--transition)}
.lp-card:hover{border-color:var(--border-light)}
.lp-card-head{display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--border)}
.lp-dot{width:13px;height:13px;border-radius:50%;flex-shrink:0;box-shadow:0 0 8px currentColor}
.lp-info{flex:1;min-width:0}
.lp-name{font-size:15px;font-weight:800;color:var(--text-primary);margin-bottom:3px}
.lp-url{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);word-break:break-all}
.lp-note-txt{font-size:11px;color:var(--text-muted);margin-top:2px}
.lp-acts{display:flex;gap:6px;align-items:center;flex-shrink:0;flex-wrap:wrap}
.lp-cnt{font-family:var(--font-mono);font-size:11px;padding:3px 10px;border-radius:20px;background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary)}
.lp-edit-row{padding:14px 20px;border-top:1px solid var(--border);background:var(--bg-input);display:none}
.lp-edit-row.open{display:block}
.lp-body{padding:12px 20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px;max-height:260px;overflow-y:auto}
.lp-empty{padding:12px 20px;font-size:12px;color:var(--text-muted)}
.lp-chip{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color var(--transition)}
.lp-chip:hover{border-color:var(--border-light)}
.lp-chip-name{font-weight:700;font-size:12px;color:var(--text-primary);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lp-chip-url{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── PYRAMID ────────────────────────────────────────────────────── */
.pyramid-wrap{position:relative;min-height:480px;padding:0;overflow:hidden;background:var(--bg-card)}
.all-pyramids-wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:16px;margin-top:4px}
.pyr-mini-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color var(--transition)}
.pyr-mini-card:hover{border-color:var(--border-light)}
.pyr-mini-head{padding:11px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:8px}
.pyr-mini-title{font-size:13px;font-weight:800;display:flex;align-items:center;gap:8px}
.pyr-mini-svg{width:100%;display:block;background:var(--bg-base)}
@keyframes lpPulse{0%,100%{opacity:.35}50%{opacity:.8}}
.lp-ring{animation:lpPulse 2.2s ease-in-out infinite}

/* ── DIAGRAM MODE TOGGLE ────────────────────────────────────────── */
.diag-mode-btn.active{background:var(--accent);color:var(--bg-base);border-color:var(--accent);box-shadow:0 0 14px var(--accent-glow)}

/* ── SEO MONITOR BAR ─────────────────────────────────────────── */
#seoInsightBar { background:rgba(0,229,255,.03); }
#seoCountdown  { font-family:var(--font-mono); color:var(--accent); font-weight:700; }

/* ── AUTO-CHECK ICON STATES ─────────────────────────────────── */
.icon-btn.auto-on  { color:var(--green);  border-color:rgba(0,255,136,.3);  background:rgba(0,255,136,.08); }
.icon-btn.auto-off { color:var(--text-muted); }
.icon-btn.auto-on:hover  { background:rgba(0,255,136,.18); }

/* ── PYRAMID ENHANCEMENTS ────────────────────────────────────── */
.pyr-mini-svg { background:var(--bg-base); }