:root {
  --bg: #0f1115;
  --card: #171a21;
  --border: #262b36;
  --text: #eef1f6;
  --muted: #8b93a5;
  --accent: #4ee1a0;
  --accent-dark: #2fae7d;
  --danger: #ff6b6b;
  --up: #ff6b6b;
  --down: #4ee1a0;
  --flat: #8b93a5;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

a { color: var(--accent); text-decoration: none; }

h1, h2, h3 { margin: 0 0 8px; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; color: var(--muted); font-weight: 600; }

.muted { color: var(--muted); font-size: 0.9rem; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; font-size: 1.1rem; }
.brand span { color: var(--accent); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card + .card { margin-top: 16px; }

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}
.stat .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat .value { font-size: 1.3rem; font-weight: 700; margin-top: 2px; }

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 14px 0 6px;
}
label:first-child { margin-top: 0; }

input[type=text], input[type=number], input[type=password], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}
textarea { min-height: 120px; resize: vertical; }

input[type=range] { width: 100%; }

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #06251a;
  border: none;
  padding: 11px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  margin-top: 16px;
}
button:hover, .btn:hover { background: var(--accent-dark); }

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

.btn-danger { background: var(--danger); color: #2a0a0a; }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 140px; }

.client-list { list-style: none; padding: 0; margin: 0; }
.client-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}
.client-list li:last-child { border-bottom: none; }

.trend { font-weight: 700; }
.trend.up { color: var(--up); }
.trend.down { color: var(--down); }
.trend.flat { color: var(--flat); }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--border);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.link-box {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--accent);
}

.notice {
  background: rgba(78, 225, 160, 0.12);
  border: 1px solid var(--accent-dark);
  color: var(--accent);
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.error {
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

canvas { max-width: 100%; }

.plan-block {
  white-space: pre-wrap;
  font-family: inherit;
  margin: 0;
  line-height: 1.6;
}

.badge-lg {
  font-size: 0.95rem;
  padding: 6px 14px;
  background: rgba(78, 225, 160, 0.12);
  border: 1px solid var(--accent-dark);
  color: var(--accent);
}

.trend-down { color: var(--down); }
.trend-up { color: var(--up); }
.trend-flat { color: var(--flat); }

.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card { width: 100%; max-width: 340px; }

footer.note {
  margin-top: 32px;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}