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

:root {
  --bg:         #0b0f19;
  --bg-card:    #131a2b;
  --bg-input:   #0f1525;
  --border:     #1e293b;
  --border-focus:#3b82f6;
  --text:       #e2e8f0;
  --text-muted: #64748b;
  --text-dim:   #475569;
  --accent:     #22d3ee;
  --green:      #4ade80;
  --green-dim:  #166534;
  --amber:      #fbbf24;
  --red:        #f87171;
  --purple:     #a78bfa;
  --radius:     10px;
  --radius-sm:  6px;
}

html { font-size: 15px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ──────────────────────────────────────────────────────── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

header {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

header h1 span { color: var(--accent); }

header p {
  color: var(--text-muted);
  font-size: 0.87rem;
  margin-top: 4px;
}

section { margin-bottom: 32px; }

section > h2 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ── Cards ───────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

/* ── Forms ────────────────────────────────────────────────────────── */
.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 140px;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input, select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 9px 12px;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

input:focus, select:focus { border-color: var(--border-focus); }

input::placeholder { color: var(--text-dim); }

select { cursor: pointer; }

select option { background: var(--bg-card); color: var(--text); }

/* Toggle switch */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 4px;
}

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 12px;
  transition: background 0.2s;
}

.toggle input:checked + .toggle-track { background: var(--green-dim); }

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}

.toggle input:checked ~ .toggle-thumb {
  transform: translateX(20px);
  background: var(--green);
}

.toggle-label { font-size: 0.85rem; color: var(--text-muted); }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #0b0f19;
}

.btn-primary:hover { opacity: 0.85; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: var(--text-muted); }

.btn-danger {
  background: transparent;
  color: var(--red);
  padding: 4px 8px;
  font-size: 0.78rem;
}

.btn-danger:hover { opacity: 0.7; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

/* ── Advanced toggle ─────────────────────────────────────────────── */
.advanced-toggle {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  padding: 8px 0 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.advanced-toggle:hover { color: var(--text-muted); }

.advanced-toggle .arrow {
  display: inline-block;
  transition: transform 0.2s;
  font-size: 0.65rem;
}

.advanced-toggle.open .arrow { transform: rotate(90deg); }

.advanced-panel {
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.advanced-panel.open { display: block; }

/* ── Event List ──────────────────────────────────────────────────── */
.event-list { display: flex; flex-direction: column; gap: 12px; }

.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  gap: 20px;
  align-items: stretch;
  transition: border-color 0.2s;
}

.event-card:hover { border-color: #2a3a5c; }

.event-rank {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dim);
}

.event-rank.top { color: var(--green); }

.event-body { flex: 1; min-width: 0; }

.event-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}

.event-name {
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-badges {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
}

.badge-lan { background: #164e63; color: var(--accent); }
.badge-online { background: #1e293b; color: var(--text-muted); }

.event-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.event-meta span + span::before { content: ' · '; }

/* Impact bar */
.impact-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.impact-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
}

.impact-bar-wrap > div {
  height: 100%;
  transition: width 0.4s ease;
}

.bar-bo { background: var(--green); }
.bar-bc { background: var(--accent); }
.bar-on { background: var(--purple); }
.bar-lf { background: var(--amber); }
.bar-h2h { background: var(--text-muted); }

.impact-breakdown {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.impact-item {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.impact-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Score display */
.event-score {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  min-width: 90px;
  text-align: right;
}

.score-value {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
}

.score-value.positive { color: var(--green); }
.score-value.negative { color: var(--red); }
.score-value.neutral  { color: var(--text-muted); }

.score-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.score-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.event-actions {
  display: flex;
  align-items: flex-start;
  padding-top: 2px;
}

/* ── Empty state ─────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-dim);
}

.empty-state p { font-size: 0.9rem; margin-bottom: 4px; }
.empty-state .hint { font-size: 0.78rem; }

/* ── Insights ────────────────────────────────────────────────────── */
.insights-list { display: flex; flex-direction: column; gap: 8px; }

.insight {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

.insight strong { color: var(--text); font-weight: 600; }
.insight .val-green { color: var(--green); }
.insight .val-amber { color: var(--amber); }

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .form-row { flex-direction: column; gap: 12px; }
  .form-group { min-width: auto; }
  .event-card { flex-direction: column; gap: 12px; }
  .event-rank { min-width: auto; justify-content: flex-start; }
  .event-score { align-items: flex-start; flex-direction: row; gap: 8px; }
}

/* ── Footer ──────────────────────────────────────────────────────── */
footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
}

footer a { color: var(--text-muted); text-decoration: none; }
footer a:hover { color: var(--text); }

.footer-links { margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 12px; }
.footer-links a { display: inline-flex; align-items: center; }
.footer-links svg { vertical-align: middle; }