:root {
  --bg: #0b0f17;
  --panel: #111827;
  --border: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.62);
  --accent: #4f46e5;
  --accent2: #22c55e;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(79, 70, 229, 0.25), transparent 55%),
    radial-gradient(900px 500px at 80% 10%, rgba(34, 197, 94, 0.20), transparent 50%),
    var(--bg);
  color: var(--text);
}

.container { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }

.header {
  padding: 22px 0 10px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(79,70,229,1), rgba(34,197,94,1));
  box-shadow: var(--shadow);
  font-weight: 800;
}

h1 { margin: 0; font-size: 18px; line-height: 1.2; }
h2 { margin: 0 0 10px 0; font-size: 16px; }
p { margin: 0; }

.muted { color: var(--muted); }
.small { font-size: 12px; margin-bottom: 8px; }
.hint { font-size: 12px; margin-top: 8px; }

.footer { padding: 18px 0 30px 0; font-size: 12px; }

.grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 14px;
  padding: 12px 0 0 0;
}

@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; }
}

.panel {
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.row { display: flex; gap: 10px; align-items: end; }
.row-center { align-items: center; justify-content: center; }
.list-actions { align-items: center; justify-content: flex-start; }
.hidden { display: none !important; }

.form { display: flex; flex-direction: column; gap: 10px; }
.label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
.input, .select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
  padding: 10px 12px;
  color: var(--text);
  outline: none;
}
.input:focus, .select:focus {
  border-color: rgba(79, 70, 229, 0.65);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.18);
}

.btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
  user-select: none;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.18); }
.btn:active { transform: translateY(0px); }

.btn-primary {
  background: linear-gradient(135deg, rgba(79,70,229,1), rgba(99,102,241,1));
  border-color: rgba(79,70,229,0.45);
}
.btn-secondary {
  background: rgba(34, 197, 94, 0.14);
  border-color: rgba(34, 197, 94, 0.35);
}
.btn-ghost { background: transparent; }

.status { min-height: 18px; font-size: 12px; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.pill {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
}

.card {
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
  border-radius: 18px;
  padding: 16px;
  min-height: 220px;
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.card.clickable {
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease;
}
.card.clickable:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.18);
}
.card.clickable:active { transform: translateY(0px); }
.card.clickable:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.18);
  border-color: rgba(79, 70, 229, 0.55);
}

.card-face { display: grid; gap: 10px; }
.card-label { font-size: 12px; }
.card-text { font-size: 28px; font-weight: 750; letter-spacing: 0.2px; }
.card-example { font-size: 14px; color: var(--muted); line-height: 1.35; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.stat {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  border-radius: 14px;
  padding: 10px;
}
.stat-title { font-size: 12px; }
.stat-value { font-size: 22px; font-weight: 800; }

.list {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  border-radius: 14px;
  padding: 10px;
  font-size: 12px;
  line-height: 1.4;
  max-height: 220px;
  overflow: auto;
  white-space: pre-wrap;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 50;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
}
.modal-card {
  position: relative;
  width: min(460px, calc(100% - 32px));
  background: rgba(17, 24, 39, 0.96);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}