:root {
  --orange: #FF7A35;
  --orange-soft: #fff1e8;
  --purple: #6B4EFF;
  --purple-soft: #efeaff;
  --ink: #1c1b29;
  --muted: #6b6a7c;
  --line: #e7e5ef;
  --bg: #faf9fc;
  --danger: #d6336c;
  --ok: #2f9e44;
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Nunito', system-ui, -apple-system, Segoe UI, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-family: 'Fredoka One', 'Nunito', sans-serif; font-weight: 400; letter-spacing: 0.2px; }
h1 { font-size: 1.9rem; margin: 0.2em 0 0.4em; }
h2 { font-size: 1.3rem; margin: 0 0 0.6em; }
h3 { font-size: 1rem; margin: 1em 0 0.3em; color: var(--purple); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: white;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar .brand {
  font-family: 'Fredoka One', sans-serif;
  font-size: 1.2rem;
  color: var(--orange);
}
.topbar nav { display: flex; align-items: center; gap: 18px; }
.topbar nav a { color: var(--ink); }
.topbar .who { color: var(--muted); font-size: 0.9rem; }
.topbar form.inline { display: inline; margin: 0; }
.topbar .link { background: none; border: 0; color: var(--purple); cursor: pointer; font: inherit; padding: 0; }
.topbar .ui-toggle {
  font: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  cursor: pointer;
}
.topbar .ui-toggle.is-classic { background: var(--orange-soft); color: var(--orange); border-color: var(--orange); }
.topbar .ui-toggle.is-v2 { background: var(--purple); color: white; border-color: var(--purple); }
.topbar .ui-toggle:hover { opacity: 0.85; }

.plan-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-decoration: none;
}
.plan-badge.plan-free    { background: #f3f0ff; color: #6B4EFF; border: 1px solid #d4caff; }
.plan-badge.plan-premium { background: #fff7e6; color: #c06000; border: 1px solid #ffd591; }
.plan-badge.plan-vip     { background: #fff0f6; color: #c91a6a; border: 1px solid #ffadd2; }

.container { max-width: 1100px; margin: 0 auto; padding: 28px; }

.flash {
  max-width: 1100px;
  margin: 16px auto 0;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 600;
}
.flash-success { background: #e6f7ec; color: #1d7a36; }
.flash-error   { background: #fde8ef; color: var(--danger); }
.flash.inline-flash { margin: 0 0 12px; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-head.compact { margin-bottom: 12px; align-items: center; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.back { color: var(--muted); font-size: 0.9rem; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.empty { color: var(--muted); padding: 16px 0; }

.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-weight: 700;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  text-decoration: none;
}
.btn.primary { background: var(--orange); color: white; }
.btn.primary:hover { background: #e66828; text-decoration: none; }
.btn.secondary { background: var(--purple); color: white; }
.btn.secondary:hover { background: #5a3fe5; text-decoration: none; }
.btn.ghost { background: white; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { background: #f1f0f6; text-decoration: none; }
.btn.danger { background: white; color: var(--danger); border: 1px solid var(--line); }
.btn.danger:hover { background: var(--danger); color: white; text-decoration: none; }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }

.card {
  background: white;
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.table th, .table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.table th { color: var(--muted); font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.row-actions { text-align: right; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  background: var(--purple-soft);
  color: var(--purple);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}
.badge.level-A1 { background: #ffe5e5; color: #c5304b; }
.badge.level-A2 { background: var(--orange-soft); color: var(--orange); }
.badge.level-B1 { background: #e3f7e8; color: #2f9e44; }
.badge.level-B2 { background: #e3f0ff; color: #2563eb; }
.badge.level-C1 { background: var(--purple-soft); color: var(--purple); }

.form { display: flex; flex-direction: column; gap: 14px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 700; font-size: 0.92rem; }
.form input, .form select, .form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  font-weight: 400;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: 2px solid var(--purple);
  outline-offset: 1px;
  border-color: var(--purple);
}
.form textarea { resize: vertical; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }

.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .grid.two { grid-template-columns: 1fr; } }

.kv { display: grid; grid-template-columns: 180px 1fr; gap: 8px 16px; }
.kv dt { color: var(--muted); font-weight: 700; }
.kv dd { margin: 0; }
@media (max-width: 720px) { .kv { grid-template-columns: 1fr; } .kv dt { margin-top: 8px; } }

.prewrap { white-space: pre-wrap; font-family: inherit; margin: 0; background: #f7f6fb; padding: 8px 10px; border-radius: 6px; }

.auth-card {
  max-width: 380px;
  margin: 60px auto;
  background: white;
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.auth-card form { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
.auth-card label { display: flex; flex-direction: column; gap: 6px; font-weight: 700; font-size: 0.92rem; }
.auth-card input { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-family: inherit; font-size: 1rem; }

.generate-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.inline { display: inline; }

.share-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: 0.9rem;
  background: #f7f6fb;
}

.preview {
  width: 100%;
  height: 600px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 30px 0 40px;
}