:root {
  --bg: #eef3f2;
  --surface: #ffffff;
  --surface-soft: #f7faf9;
  --line: #dbe8e3;
  --text: #18322c;
  --muted: #667d75;
  --primary: #12715b;
  --primary-dark: #0c5644;
  --accent: #18a57f;
  --danger: #a93d3d;
  --shadow: 0 20px 50px rgba(18, 113, 91, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(24, 165, 127, 0.12), transparent 22%),
    linear-gradient(180deg, #f8fbfb 0%, var(--bg) 100%);
  color: var(--text);
}
.hidden { display: none !important; }
.shell { max-width: 1400px; margin: 0 auto; padding: 32px 20px 48px; }
.auth-view, .layout { display: grid; gap: 20px; }
.auth-view { grid-template-columns: 1.1fr 0.9fr; min-height: calc(100vh - 80px); align-items: center; }
.hero-card, .auth-card, .panel, .stat-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-card, .auth-card, .panel { padding: 28px; }
.hero-card h1, .topbar h1 { margin: 10px 0 12px; font-size: clamp(2rem, 4vw, 3.5rem); }
.hero-card p { color: var(--muted); font-size: 1.05rem; max-width: 48ch; }
.brand-mark {
  display: inline-flex;
  background: rgba(18, 113, 91, 0.1);
  color: var(--primary);
  border: 1px solid rgba(18, 113, 91, 0.16);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.stack { display: grid; gap: 12px; }
.top-gap { margin-top: 18px; }
input, button, textarea, select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 12px 14px;
  font: inherit;
}
input, textarea, select { background: var(--surface-soft); }
button {
  background: var(--primary);
  color: white;
  cursor: pointer;
  transition: 120ms ease;
}
button:hover { background: var(--primary-dark); }
button.ghost {
  background: transparent;
  color: var(--text);
}
button.small { width: auto; padding: 10px 14px; }
.message { min-height: 20px; margin-top: 10px; color: var(--muted); }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 24px;
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.user-chip {
  background: rgba(18, 113, 91, 0.08);
  border: 1px solid rgba(18, 113, 91, 0.12);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--primary);
  font-weight: 600;
}
.stats-grid, .layout, .grid-two {
  display: grid;
  gap: 18px;
}
.stats-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin-bottom: 18px; }
.layout { grid-template-columns: 0.85fr 1.15fr; margin-bottom: 18px; }
.grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel.wide { min-width: 0; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.stat-card { padding: 20px; }
.stat-card span { display: block; color: var(--muted); margin-bottom: 8px; }
.stat-card strong { font-size: 2rem; }
.list { display: grid; gap: 12px; max-height: 640px; overflow: auto; }
.card-item {
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: 16px;
  padding: 16px;
}
.card-title { font-weight: 700; margin-bottom: 8px; }
.meta { color: var(--muted); font-size: 0.92rem; margin-bottom: 6px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.actions button { width: auto; }
.badge {
  display: inline-flex;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}
.badge.ok { background: rgba(24, 165, 127, 0.12); color: var(--primary); }
.badge.warn { background: rgba(245, 158, 11, 0.14); color: #a16207; }
.badge.error { background: rgba(169, 61, 61, 0.12); color: var(--danger); }
.activity {
  margin: 0;
  min-height: 220px;
  max-height: 640px;
  overflow: auto;
  background: #10221d;
  color: #ddf4ee;
  border-radius: 18px;
  padding: 18px;
}
@media (max-width: 980px) {
  .auth-view, .stats-grid, .layout, .grid-two { grid-template-columns: 1fr; }
  .topbar { align-items: start; flex-direction: column; }
}