/* ── Design tokens ─────────────────────────────────────────────────── */
:root {
  --bg:          #0d1117;
  --bg2:         #161b22;
  --bg3:         #1c2333;
  --border:      #30363d;
  --text:        #e6edf3;
  --text2:       #8b949e;
  --accent:      #4f9cf9;
  --accent-glow: rgba(79,156,249,.18);
  --green:       #3fb950;
  --yellow:      #d29922;
  --red:         #f85149;
  --orange:      #e3b341;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow:      0 4px 24px rgba(0,0,0,.45);
  --transition:  .18s ease;
}

/* ── Reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.5; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

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

/* ── Login page ────────────────────────────────────────────────────── */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.login-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 48px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}
.login-card .brand { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.login-card .brand-icon { width: 36px; height: 36px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.login-card .brand h1 { font-size: 1.2rem; font-weight: 600; }
.login-card .brand p { font-size: .8rem; color: var(--text2); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .8rem; color: var(--text2); margin-bottom: 6px; font-weight: 500; letter-spacing: .5px; text-transform: uppercase; }
.form-group input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus { border-color: var(--accent); }
.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px;
  font-weight: 600;
  font-size: .95rem;
  margin-top: 8px;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-primary:hover { opacity: .88; transform: translateY(-1px); }
.login-error { color: var(--red); font-size: .82rem; margin-top: 10px; min-height: 18px; text-align: center; }

/* ── Layout ────────────────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand { padding: 0 20px 24px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); }
.sidebar-brand .icon { width: 32px; height: 32px; background: var(--accent); border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.sidebar-brand .name { font-size: .9rem; font-weight: 600; }
.sidebar-brand .name small { display: block; font-size: .72rem; color: var(--text2); font-weight: 400; }
nav { padding: 16px 12px; flex: 1; }
nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: var(--radius-sm); color: var(--text2); font-size: .88rem; transition: background var(--transition), color var(--transition); margin-bottom: 2px; }
nav a:hover { background: var(--bg3); color: var(--text); }
nav a.active { background: var(--accent-glow); color: var(--accent); font-weight: 500; }
nav a .nav-icon { font-size: 15px; width: 20px; text-align: center; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.sidebar-footer .status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); margin-right: 6px; }
.sidebar-footer .status-dot.paused { background: var(--yellow); }
.sidebar-footer small { color: var(--text2); font-size: .78rem; }

.main { flex: 1; overflow-y: auto; }
.page-header { padding: 24px 28px 0; display: flex; align-items: center; justify-content: space-between; }
.page-header h2 { font-size: 1.15rem; font-weight: 600; }
.page-header .sub { color: var(--text2); font-size: .8rem; margin-top: 2px; }
.content { padding: 20px 28px 40px; }

/* ── Stat cards ────────────────────────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-card .label { font-size: .75rem; color: var(--text2); font-weight: 500; text-transform: uppercase; letter-spacing: .5px; }
.stat-card .value { font-size: 2rem; font-weight: 700; line-height: 1; }
.stat-card .value.green { color: var(--green); }
.stat-card .value.yellow { color: var(--yellow); }
.stat-card .value.orange { color: var(--orange); }
.stat-card .value.blue { color: var(--accent); }
.stat-card .meta { font-size: .75rem; color: var(--text2); }
.stat-card .icon { font-size: 20px; }

/* ── Grid layout ───────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 320px; gap: 20px; margin-bottom: 24px; }
.grid-2-equal { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }

/* ── Card ──────────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: .9rem; font-weight: 600; }
.card-header .period { font-size: .75rem; color: var(--text2); }
.card-body { padding: 20px; }

/* ── Chart ─────────────────────────────────────────────────────────── */
.chart-wrap { position: relative; height: 220px; }

/* ── Settings panel ────────────────────────────────────────────────── */
.settings-panel { display: flex; flex-direction: column; gap: 20px; }
.setting-item label { font-size: .78rem; color: var(--text2); font-weight: 500; text-transform: uppercase; letter-spacing: .4px; margin-bottom: 6px; display: block; }
.setting-item .hint { font-size: .72rem; color: var(--text2); margin-top: 4px; line-height: 1.4; }
.slider-row { display: flex; align-items: center; gap: 10px; }
.slider-row input[type=range] { flex: 1; accent-color: var(--accent); }
.slider-row .val { font-size: .88rem; font-weight: 600; min-width: 28px; text-align: right; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; }
.toggle { position: relative; display: inline-block; width: 40px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: var(--border); border-radius: 22px; transition: .2s; cursor: pointer; }
.toggle-slider:before { content: ''; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: var(--text2); border-radius: 50%; transition: .2s; }
.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider:before { transform: translateX(18px); background: #fff; }
.btn-pause {
  width: 100%;
  padding: 9px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-size: .85rem;
  font-weight: 500;
  transition: background var(--transition), border-color var(--transition);
}
.btn-pause:hover { background: var(--bg3); }
.btn-pause.paused { border-color: var(--green); color: var(--green); }
.btn-pause.running { border-color: var(--yellow); color: var(--yellow); }

/* ── Table ─────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .83rem; }
thead tr { border-bottom: 1px solid var(--border); }
th { color: var(--text2); font-weight: 500; padding: 8px 12px; text-align: left; white-space: nowrap; font-size: .75rem; text-transform: uppercase; letter-spacing: .4px; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.badge.high   { background: rgba(63,185,80,.15);  color: var(--green); }
.badge.medium { background: rgba(210,153,34,.15); color: var(--yellow); }
.badge.low    { background: rgba(248,81,73,.12);  color: var(--red); }
.badge.sent   { background: rgba(79,156,249,.12); color: var(--accent); }
.badge.filtered  { background: rgba(210,153,34,.12); color: var(--orange); }
.badge.duplicate { background: rgba(139,148,158,.12); color: var(--text2); }

/* ── Activity log ──────────────────────────────────────────────────── */
.activity-list { display: flex; flex-direction: column; gap: 0; }
.activity-item { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: .8rem; }
.activity-item:last-child { border-bottom: none; }
.activity-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.activity-dot.high    { background: var(--green); }
.activity-dot.medium  { background: var(--yellow); }
.activity-dot.low     { background: var(--red); }
.activity-dot.filtered { background: var(--orange); }
.activity-dot.duplicate { background: var(--text2); }
.activity-text { flex: 1; }
.activity-text strong { color: var(--text); }
.activity-time { color: var(--text2); font-size: .72rem; white-space: nowrap; }

/* ── Scoring page ──────────────────────────────────────────────────── */
.scoring-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.scoring-header .actions { display: flex; gap: 10px; }
.thresholds-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.threshold-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.threshold-card label { font-size: .78rem; color: var(--text2); font-weight: 500; text-transform: uppercase; letter-spacing: .4px; display: block; margin-bottom: 8px; }
.threshold-card input[type=number] { width: 100px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; color: var(--text); font-size: 1.1rem; font-weight: 600; outline: none; transition: border-color var(--transition); }
.threshold-card input:focus { border-color: var(--accent); }
.threshold-card .desc { font-size: .75rem; color: var(--text2); margin-top: 6px; }

.signal-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.signal-card .signal-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; cursor: pointer; user-select: none; }
.signal-card .signal-header:hover { background: rgba(255,255,255,.02); }
.signal-title { display: flex; align-items: center; gap: 10px; }
.signal-title strong { font-size: .9rem; }
.signal-title .signal-desc { font-size: .75rem; color: var(--text2); margin-top: 1px; }
.signal-card .signal-body { padding: 0 18px 16px; display: none; }
.signal-card.open .signal-body { display: block; }
.signal-card.open .chevron { transform: rotate(180deg); }
.chevron { color: var(--text2); transition: transform var(--transition); font-size: .8rem; }
.tier-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.tier-table th { color: var(--text2); font-size: .72rem; font-weight: 500; padding: 6px 10px; text-align: left; text-transform: uppercase; }
.tier-table td { padding: 7px 10px; border-top: 1px solid var(--border); }
.tier-table input[type=number] { width: 80px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 5px 8px; color: var(--text); text-align: center; outline: none; transition: border-color var(--transition); }
.tier-table input:focus { border-color: var(--accent); }
.delta-positive { color: var(--green); font-weight: 600; }
.delta-negative { color: var(--red); font-weight: 600; }
.delta-zero { color: var(--text2); }

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border); font-size: .83rem; font-weight: 500; transition: background var(--transition), border-color var(--transition); background: var(--bg3); color: var(--text); }
.btn:hover { background: var(--bg2); border-color: var(--accent); }
.btn.btn-save { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.btn-save:hover { opacity: .9; }
.btn.btn-reset { color: var(--red); border-color: var(--red); }
.btn.btn-reset:hover { background: rgba(248,81,73,.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Toast ─────────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: .85rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .25s, transform .25s;
  pointer-events: none;
  z-index: 999;
  max-width: 320px;
}
#toast.show { opacity: 1; transform: translateY(0); }
#toast.success { border-color: var(--green); color: var(--green); }
#toast.error   { border-color: var(--red);   color: var(--red); }

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar { display: none; }
  .content { padding: 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .thresholds-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* ── Jobs page ─────────────────────────────────────────────────────── */
.job-last { font-size: .78rem; color: var(--text2); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .4; }
}