:root {
  --bg: #0f1115;
  --bg-elev: #171a21;
  --bg-elev-2: #1f232c;
  --border: #262b36;
  --border-strong: #353c4a;
  --text: #e6e8ef;
  --text-dim: #9aa3b2;
  --text-mute: #6d7787;
  --primary: #6c8cff;
  --primary-hover: #8aa4ff;
  --danger: #ff5d5d;
  --danger-hover: #ff7878;
  --success: #4cd07d;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.inline { display: inline; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  letter-spacing: 0.2px;
}
.topbar__actions { display: flex; gap: 8px; align-items: center; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 24px 80px;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin: 8px 0 18px;
}
.page-title {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
}
.page-sub {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, transform 0.02s;
}
.btn:hover { background: var(--bg-elev-2); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--primary); border-color: var(--primary); color: #0b1230; }
.btn--primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #0b1230; }
.btn--secondary { background: var(--bg-elev-2); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn--ghost:hover { background: var(--bg-elev); color: var(--text); }
.btn--danger { background: transparent; color: var(--danger); border-color: rgba(255,93,93,0.35); }
.btn--danger:hover { background: rgba(255,93,93,0.10); color: var(--danger-hover); border-color: var(--danger-hover); }
.btn--xs { padding: 4px 8px; font-size: 12px; }
.btn--lg { padding: 12px 18px; font-size: 14px; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  transition: background 0.12s, color 0.12s, border-color 0.12s, transform 0.04s;
}
.icon-btn:hover { background: var(--bg-elev-2); color: var(--text); }
.icon-btn:active { transform: translateY(1px); }
.icon-btn--danger { color: var(--danger); }
.icon-btn--danger:hover {
  background: rgba(255,93,93,0.10);
  color: var(--danger-hover);
  border-color: rgba(255,93,93,0.45);
}

.input {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.12s, background 0.12s;
}
.input:focus { outline: none; border-color: var(--primary); background: var(--bg-elev); }
.input--lg { padding: 12px 14px; font-size: 14px; }
.input--title { font-size: 18px; font-weight: 600; padding: 10px 12px; }

textarea.input { resize: vertical; min-height: 38px; }

.table-wrap {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.grid {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.grid thead th {
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-2);
}
.grid tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.grid tbody tr:last-child td { border-bottom: none; }
.grid tbody tr.row { transition: background 0.12s; }
.grid tbody tr.row:hover { background: rgba(255,255,255,0.015); }
.grid tbody tr.sortable-ghost { opacity: 0.4; }
.grid tbody tr.sortable-chosen { background: rgba(108,140,255,0.06); }

.col-num { width: 96px; }
.col-img { width: 130px; }
.col-name { width: 22%; }
.col-desc { }
.col-content { width: 130px; }
.col-actions { width: 110px; text-align: right; }
.col-cost { width: 180px; }
.col-chance { width: 170px; }
.col-rarity { width: 200px; }

.rarity-select {
  color-scheme: dark;
  font-weight: 600;
  cursor: pointer;
}
.rarity-select.r-none { color: var(--text-mute); font-weight: 500; }
.rarity-select.r-ultra_rare { color: #ffc83d; }
.rarity-select.r-rare       { color: #ff5d5d; }
.rarity-select.r-medium     { color: #4cd07d; }
.rarity-select.r-below_avg  { color: #b76eff; }
.rarity-select.r-frequent   { color: #6c8cff; }
.rarity-select option { color: var(--text); background: var(--bg-elev); }
.rarity-select option[value="ultra_rare"] { color: #ffc83d; }
.rarity-select option[value="rare"]       { color: #ff5d5d; }
.rarity-select option[value="medium"]     { color: #4cd07d; }
.rarity-select option[value="below_avg"]  { color: #b76eff; }
.rarity-select option[value="frequent"]   { color: #6c8cff; }

td.col-num {
  white-space: nowrap;
}
td.col-num .drag,
td.col-num .pos-input {
  vertical-align: middle;
}
td.col-num .drag {
  display: inline-block;
  margin-right: 4px;
}
.drag {
  cursor: grab;
  color: var(--text-mute);
  font-size: 14px;
  user-select: none;
  padding: 0 2px;
}
.drag:active { cursor: grabbing; }
.pos-input {
  width: 56px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 13px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.pos-input:focus { outline: none; border-color: var(--primary); }
.pos-input::-webkit-outer-spin-button,
.pos-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pos-input { -moz-appearance: textfield; }

.thumb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 70px;
  background: var(--bg);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.12s, background 0.12s;
}
.thumb:hover { border-color: var(--primary); background: var(--bg-elev-2); }
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.thumb__placeholder {
  font-size: 11px;
  color: var(--text-mute);
  text-align: center;
  padding: 4px;
}
.thumb--lg { width: 220px; height: 160px; }

td.col-img .img-remove { margin-top: 6px; display: inline-block; }

.empty {
  text-align: center;
  color: var(--text-mute);
  padding: 40px 20px;
  font-size: 14px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: var(--bg-elev-2);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
  max-width: 320px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast--error { border-color: rgba(255,93,93,0.5); }
.toast--success { border-color: rgba(76,208,125,0.5); }

.case-head {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.case-head__meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-title-sep { color: var(--text-mute); margin: 0 6px; font-weight: 400; }
.case-title-name.is-empty { color: var(--text-mute); font-weight: 500; }

.row.saving { background: rgba(108,140,255,0.04); }

.auth-body {
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.auth-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
}
.auth-title { margin: 0 0 4px; font-size: 22px; font-weight: 600; }
.auth-sub { margin: 0 0 20px; color: var(--text-dim); font-size: 13px; }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-error {
  background: rgba(255,93,93,0.08);
  color: var(--danger);
  border: 1px solid rgba(255,93,93,0.35);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

@media (max-width: 900px) {
  .container { padding: 16px 12px 60px; }
  .page-head { flex-direction: column; align-items: stretch; }
  .case-head { flex-direction: column; }
  .thumb--lg { width: 100%; height: 200px; }
  .grid thead { display: none; }
  .grid tbody td { display: block; padding: 8px 12px; border: none; }
  .grid tbody tr { display: block; padding: 12px 0; border-bottom: 1px solid var(--border); }
}