:root {
  --bg: #f4efe4;
  --card: #fffdf8;
  --ink: #1d1813;
  --muted: #7a6d5e;
  --line: #e4dccb;
  --lavender: #b3a9f5;
  --indigo: #2e2a7a;
  --vermilion: #b0352a;
  --serif: 'Noto Serif TC', 'Songti TC', serif;
  --calli: 'LXGW WenKai TC', 'Noto Serif TC', serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #15110e;
    --card: #1e1915;
    --ink: #efe6d2;
    --muted: #a4977f;
    --line: #362d25;
  }
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink); font: 15px/1.6 var(--serif); }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

.logo-ellipse {
  display: inline-grid; place-items: center; width: 120px; height: 52px; background: var(--lavender); color: var(--indigo);
  border: 2px solid var(--indigo); border-radius: 50%; font: 700 17px var(--calli); letter-spacing: 0.06em; white-space: nowrap;
}
.logo-ellipse.sm { width: 84px; height: 36px; font-size: 12px; }

.primary { padding: 10px 22px; border: 0; background: var(--indigo); color: #fff; cursor: pointer; letter-spacing: 0.1em; border-radius: 6px; }
.primary:hover { filter: brightness(1.15); }
.primary:disabled { opacity: 0.5; cursor: progress; }
.ghost { padding: 8px 14px; border: 1px solid var(--line); background: transparent; border-radius: 6px; cursor: pointer; text-decoration: none; color: var(--ink); font-size: 14px; }
.ghost:hover { border-color: var(--indigo); }
.danger { padding: 10px 16px; border: 1px solid rgba(176, 53, 42, 0.4); background: transparent; color: var(--vermilion); border-radius: 6px; cursor: pointer; }
.muted { color: var(--muted); font-size: 13px; text-decoration: none; }

label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); font-size: 15px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--lavender); border-color: var(--indigo); }
select:disabled { opacity: 0.5; }

/* ---------- 登入 ---------- */
#login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: grid; gap: 18px; justify-items: center; padding: 40px 32px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
.login-card h1 { margin: 0; font: 700 26px var(--calli); letter-spacing: 0.2em; }
.login-card label, .login-card button { width: 100%; }
.error { margin: 0; min-height: 1.2em; color: var(--vermilion); font-size: 13px; }

/* ---------- 主畫面 ---------- */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 24px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand strong { font: 700 18px var(--calli); letter-spacing: 0.12em; }
.actions { display: flex; gap: 8px; }
main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 80px; display: grid; gap: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.card-head h2 { margin: 0; font: 700 20px var(--calli); letter-spacing: 0.1em; }
.card-head p { margin: 4px 0 20px; color: var(--muted); font-size: 14px; }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.grid-form .wide { grid-column: 1 / -1; }
.right { display: flex; justify-content: flex-end; }

.legend { display: flex; gap: 18px; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--muted); margin-right: 6px; vertical-align: -1px; }
.dot.filled { background: var(--indigo); border-color: var(--indigo); }

.group { margin-top: 22px; }
.group-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.group-head h3 { margin: 0; font-size: 16px; }
.group-head span { font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--lavender); color: var(--indigo); }
.group-head p { margin: 0; width: 100%; font-size: 12px; color: var(--muted); }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 12px; }
.slot { display: grid; gap: 6px; padding: 8px; text-align: left; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; transition: transform 0.15s, border-color 0.15s; }
.slot:hover { transform: translateY(-2px); border-color: var(--indigo); }
.slot .thumb { aspect-ratio: 0.72; display: grid; place-items: center; overflow: hidden; border-radius: 6px; background: repeating-linear-gradient(45deg, transparent 0 8px, color-mix(in srgb, var(--line) 60%, transparent) 8px 9px); }
.slots.table .thumb { aspect-ratio: 1; }
.slot .thumb img { width: 100%; height: 100%; object-fit: cover; }
.slot .thumb i { font-style: normal; font-size: 12px; color: var(--muted); }
.slot.filled .thumb { background: #000; }
.slot .meta { display: grid; min-width: 0; }
.slot .meta b { font-size: 12px; color: var(--indigo); }
.slot.filled .meta b::after { content: ' ●'; }
.slot .meta em { font-style: normal; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .slot .meta b { color: var(--lavender); }
}

/* ---------- 編輯器 ---------- */
dialog { width: min(860px, calc(100vw - 24px)); padding: 0; border: 0; border-radius: 16px; background: var(--card); color: var(--ink); box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35); }
dialog::backdrop { background: rgba(20, 14, 10, 0.55); backdrop-filter: blur(3px); }
dialog header { display: flex; justify-content: space-between; align-items: start; padding: 20px 24px 0; }
.eyebrow { margin: 0; font-size: 12px; letter-spacing: 0.2em; color: var(--vermilion); }
dialog h3 { margin: 2px 0 0; font: 700 22px var(--calli); }
.close { border: 0; background: none; font-size: 28px; line-height: 1; cursor: pointer; color: var(--muted); }
.ed-body { display: grid; grid-template-columns: 1fr 1.2fr; gap: 20px; padding: 20px 24px; }
.drop {
  position: relative; min-height: 340px; display: grid; place-items: center; text-align: center; cursor: pointer;
  border: 2px dashed var(--line); border-radius: 12px; background: var(--bg); overflow: hidden; color: var(--muted);
}
.drop.over { border-color: var(--indigo); background: color-mix(in srgb, var(--lavender) 18%, var(--bg)); }
.drop img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 12px; display: none; }
.drop.has-image img { display: block; }
.drop.has-image .drop-text { opacity: 0; }
.drop.has-image:hover .drop-text { opacity: 1; background: rgba(0, 0, 0, 0.6); color: #fff; padding: 10px 14px; border-radius: 8px; position: relative; }
.drop-text b { color: var(--indigo); }
.fields { display: grid; gap: 14px; align-content: start; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
dialog footer { display: flex; align-items: center; gap: 12px; padding: 16px 24px 20px; border-top: 1px solid var(--line); }
.status { flex: 1; font-size: 13px; color: var(--muted); }

#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); padding: 10px 18px; border-radius: 8px;
  background: var(--indigo); color: #fff; font-size: 14px; opacity: 0; pointer-events: none; transition: all 0.25s; z-index: 50;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.bad { background: var(--vermilion); }

@media (max-width: 680px) {
  .ed-body { grid-template-columns: 1fr; }
  .drop { min-height: 220px; }
  .topbar { padding: 10px 14px; }
  .brand .logo-ellipse { display: none; }
  .card { padding: 18px; }
}