/* ═══════════════════════════════════════════
   遊戲下載中心 — 深色主題，響應式
   KosugiMaru 字體，原圖完整顯示，大字體
   ═══════════════════════════════════════════ */

@font-face {
  font-family: 'KosugiMaru';
  src: url('/font/KosugiMaru-Regular.woff2') format('woff2');
  font-display: swap;
}

:root {
  --bg: #0d0d14;
  --card: #151523;
  --card2: #1c1c32;
  --accent: #e94560;
  --accent2: #ff6b81;
  --text: #eee;
  --muted: #999;
  --hint: #666;
  --danger: #ef4444;
  --success: #22c55e;
  --warn: #f59e0b;
  --radius: 10px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

body {
  font-family: 'KosugiMaru', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  padding: clamp(14px,3vw,32px);
  font-size: clamp(1rem,1.4vw,1.15rem);
  line-height: 1.6;
}

#app { max-width: 1200px; margin: 0 auto; }
@media(min-width:1400px){ #app{max-width:1320px} }
@media(min-width:1800px){ #app{max-width:1600px} }
@media(min-width:2400px){ #app{max-width:2000px} }

/* ── States ── */
.state.hidden { display: none !important; }

/* ── Login ── */
.login-box {
  text-align: center;
  padding: clamp(32px,6vw,60px) 16px;
  max-width: 440px;
  margin: 0 auto;
}
.login-box .logo { font-size: clamp(3rem,5vw,4rem); margin-bottom: 16px; }
.login-box h1 { font-size: clamp(1.6rem,3.5vw,2.2rem); font-weight: 800; margin-bottom: 8px; }
.login-box p { color: var(--muted); font-size: clamp(1rem,1.6vw,1.15rem); margin-bottom: 28px; }
.login-box .hint { color: var(--hint); font-size: clamp(.85rem,1.2vw,.95rem); margin-top: 18px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: clamp(9px,1.2vw,13px) clamp(18px,2.5vw,26px);
  border-radius: 8px; font-weight: 600;
  font-size: clamp(.95rem,1.3vw,1.05rem);
  cursor: pointer; border: none;
  font-family: inherit; transition: opacity .15s, transform .15s;
  text-decoration: none;
}
.btn:hover { opacity: .85; transform: translateY(-1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--hint); color: var(--muted); }
.btn-outline:hover { border-color: var(--accent); color: var(--text); }
.btn-sm { padding: clamp(6px,.9vw,10px) clamp(12px,1.6vw,18px); font-size: clamp(.85rem,1.1vw,.95rem); }
.btn-ghost { background: rgba(233,69,96,.1); color: var(--accent2); border: 1px solid rgba(233,69,96,.2); }

/* ── Topbar ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; margin-bottom: 20px;
  border-bottom: 2px solid #1e1e32; gap: 12px; flex-wrap: wrap;
}
.user-area { display: flex; align-items: center; gap: 10px; min-width: 0; }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.username { font-weight: 600; font-size: clamp(.95rem,1.3vw,1.05rem); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.userid { color: var(--muted); font-size: clamp(.78rem,1vw,.85rem); }
.topbar-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

/* ── Hero / Search ── */
.hero { text-align: center; padding: 20px 0 16px; }
.hero h2 { font-size: clamp(1.3rem,2vw,1.6rem); font-weight: 700; margin-bottom: 4px; }
.hero p { color: var(--muted); font-size: clamp(.95rem,1.3vw,1.05rem); margin-bottom: 18px; }
.search-wrap { display: flex; justify-content: center; margin-bottom: 12px; }
.search-wrap input {
  width: 100%; max-width: 500px;
  padding: clamp(10px,1.3vw,14px) 18px;
  border-radius: 12px; border: 2px solid var(--hint);
  background: var(--card); color: var(--text);
  font-size: clamp(1rem,1.4vw,1.15rem);
  outline: none; font-family: inherit;
  transition: border-color .2s;
}
.search-wrap input:focus { border-color: var(--accent); }
.search-wrap input::placeholder { color: var(--hint); }

/* ── Category Tabs ── */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; justify-content: center; }
.cat-tab {
  background: var(--card); border: 2px solid transparent;
  color: var(--muted); padding: 6px 16px; border-radius: 16px;
  cursor: pointer; font-size: clamp(.9rem,1.1vw,1rem);
  transition: all .15s; font-family: inherit;
}
.cat-tab:hover { color: var(--text); border-color: var(--hint); }
.cat-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Toolbar ── */
.toolbar-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; }
.toolbar-row span { font-size: clamp(.9rem,1.2vw,1rem); color: var(--muted); }

/* ── Grid ── */
.games-grid {
  display: grid;
  gap: clamp(12px,2vw,22px);
  grid-template-columns: 1fr;
  margin-bottom: 28px;
}
@media(min-width:540px){ .games-grid{grid-template-columns:repeat(2,1fr)} }
@media(min-width:900px){ .games-grid{grid-template-columns:repeat(3,1fr)} }
@media(min-width:1400px){ .games-grid{grid-template-columns:repeat(4,1fr)} }
@media(min-width:2000px){ .games-grid{grid-template-columns:repeat(5,1fr)} }

/* ── Card ── */
.game-card {
  background: var(--card); border: 2px solid transparent;
  border-radius: var(--radius); overflow: hidden;
  cursor: pointer; transition: all .2s;
  display: flex; flex-direction: column;
}
.game-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 28px rgba(233,69,96,.1); }
.card-cover {
  width: 100%; height: auto; display: block;
  object-fit: contain; max-height: 320px;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
}
.card-cover-fallback {
  width: 100%; min-height: 140px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  font-size: clamp(2.5rem,4vw,3.5rem);
}
.card-body { padding: clamp(12px,1.5vw,18px); flex: 1; display: flex; flex-direction: column; }
.card-title { font-size: clamp(1rem,1.4vw,1.15rem); font-weight: 600; line-height: 1.35; word-break: break-word; margin-bottom: 4px; }
.card-code { font-size: clamp(.78rem,.95vw,.85rem); color: var(--accent2); font-family: monospace; margin-bottom: 4px; }
.card-meta { font-size: clamp(.85rem,1.1vw,.95rem); color: var(--muted); margin-top: auto; }
.card-parts-count { font-size: clamp(.82rem,1vw,.9rem); color: var(--accent2); margin-top: 4px; }
.card-admin-btns { display: flex; gap: 6px; margin-top: 8px; }
.card-admin-btns .btn { flex: 1; }

/* ── Pagination ── */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 24px; align-items: center; }
.pagination span { padding: 6px 12px; font-size: clamp(.9rem,1.2vw,1rem); color: var(--muted); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  animation: fadeIn .2s;
}
@keyframes fadeIn{ from{opacity:0} to{opacity:1} }
.modal-dialog {
  background: var(--card); border: 1px solid var(--hint);
  border-radius: 14px; max-width: 520px; width: 100%;
  max-height: 88vh; overflow-y: auto;
  padding: clamp(18px,3vw,28px);
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  animation: slideUp .25s;
}
@keyframes slideUp{ from{transform:translateY(16px);opacity:0} to{transform:translateY(0);opacity:1} }

.modal-dialog h3 { font-size: clamp(1.15rem,1.6vw,1.3rem); font-weight: 700; margin: 0 0 8px; }
.modal-dialog .hint { font-size: clamp(.85rem,1.1vw,.95rem); color: var(--muted); margin-bottom: 16px; }
.modal-dialog .input-group { margin-bottom: 14px; }
.modal-dialog .input-group label { display: block; font-size: clamp(.9rem,1.2vw,1rem); color: var(--muted); margin-bottom: 5px; font-weight: 500; }
.modal-dialog .input-group input {
  width: 100%; padding: 10px 14px; border-radius: 8px;
  border: 2px solid var(--hint); background: var(--bg);
  color: var(--text); font-size: clamp(.95rem,1.2vw,1.05rem);
  outline: none; font-family: inherit; transition: border-color .2s;
}
.modal-dialog .input-group input:focus { border-color: var(--accent); }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions .btn { flex: 1; }
.dl-part-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 10px; background: var(--card2);
  border: 1px solid var(--hint); border-radius: 10px;
  color: var(--text); cursor: pointer; transition: all .15s;
  text-align: center; font-family: inherit; font-size: clamp(.85rem,1.1vw,.95rem);
}
.dl-part-btn:hover { border-color: var(--accent); background: rgba(233,69,96,.08); }
.dl-part-btn:disabled { opacity: .3; cursor: not-allowed; }
.dl-part-btn .part-num { font-size: clamp(.9rem,1.2vw,1rem); font-weight: 700; color: var(--accent2); }
.dl-part-btn .part-size { font-size: clamp(.78rem,1vw,.85rem); color: var(--muted); }
.dl-external-link {
  display: block; text-align: center; margin-top: 14px;
  padding: 10px; background: var(--card2); border-radius: 8px;
  font-size: clamp(.9rem,1.2vw,1rem); color: var(--accent2); text-decoration: none;
}

/* ── Admin Panel ── */
.admin-section {
  margin-top: clamp(28px,4vw,44px);
  border-top: 2px solid var(--hint);
  padding-top: clamp(18px,2vw,24px);
}
.admin-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; flex-wrap: wrap; gap: 10px;
}
.admin-header h3 { font-size: clamp(1.15rem,1.6vw,1.3rem); font-weight: 700; margin: 0; }

/* ── Upload ── */
.upload-zone { margin-top: 18px; display: none; }
.upload-zone.open { display: block; }
.upload-dropzone {
  border: 3px dashed var(--hint); border-radius: 14px;
  padding: clamp(32px,5vw,48px) 16px; text-align: center;
  cursor: pointer; transition: all .2s;
}
.upload-dropzone:hover,.upload-dropzone.dragover{ border-color: var(--accent); background: rgba(233,69,96,.04); }
.upload-dropzone .upload-icon { font-size: clamp(2.5rem,4vw,3rem); margin-bottom: 12px; opacity: .8; }
.upload-dropzone p { font-size: clamp(.95rem,1.3vw,1.05rem); color: var(--muted); margin: 0; }
.upload-dropzone p.hint { font-size: clamp(.85rem,1.1vw,.95rem); color: var(--hint); }

/* ── Upload Queue ── */
#upload-queue {
  position: fixed; bottom: 48px; right: 16px;
  max-width: 380px; max-height: 40vh; overflow-y: auto;
  z-index: 200; background: var(--card);
  border: 2px solid var(--accent); border-radius: 12px;
  padding: 14px; box-shadow: 0 8px 32px rgba(0,0,0,.5);
  width: auto; min-width: 300px;
}
#upload-queue.hidden { display: none; }
.upload-item { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; gap: 10px; font-size: clamp(.85rem,1.1vw,.95rem); }
.upload-item .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.progress-bar { height: 4px; background: var(--hint); border-radius: 3px; margin-top: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); transition: width .3s; }
.status-tag { font-size: clamp(.75rem,1vw,.85rem); padding: 3px 10px; border-radius: 6px; font-weight: 600; white-space: nowrap; flex-shrink: 0; }
.st-uploading { background: rgba(233,69,96,.15); color: var(--accent2); }
.st-done { background: rgba(34,197,94,.15); color: var(--success); }
.st-error { background: rgba(239,68,68,.15); color: var(--danger); }

/* ── Toast ── */
.toast {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  padding: 14px 28px; border-radius: 12px;
  font-size: clamp(.95rem,1.3vw,1.05rem);
  z-index: 800; animation: toastIn .3s;
  max-width: 90vw; text-align: center; font-weight: 500;
}
.toast-err { background: var(--danger); color: #fff; }
.toast-ok { background: var(--accent); color: #fff; }
@keyframes toastIn{ from{opacity:0;transform:translateX(-50%) translateY(-10px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }

/* ── Empty ── */
.empty-state { text-align: center; padding: clamp(40px,8vw,80px) 0; }
.empty-state .empty-icon { font-size: clamp(3rem,5vw,4rem); margin-bottom: 14px; opacity: .5; }
.empty-state p { color: var(--muted); font-size: clamp(.95rem,1.3vw,1.05rem); margin-bottom: 4px; }

/* ── Status Bar ── */
.status-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; gap: 16px; justify-content: center;
  padding: 8px 0; background: var(--card);
  border-top: 1px solid #1e1e32;
  font-size: clamp(.78rem,.95vw,.85rem);
  z-index: 50; color: var(--muted); flex-wrap: wrap;
}
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 4px; }
.s-ok { background: var(--success); }
.s-err { background: var(--danger); }
.s-chk { background: var(--warn); }

/* ── Responsive ── */
@media(max-width:768px){
  .topbar { flex-direction: column; text-align: center; }
  .admin-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .admin-row .folder-actions { align-self: flex-end; }
  .modal-dialog { max-width: 100%; margin: 8px; border-radius: 12px; }
}
@media(max-width:480px){
  body { padding: 8px; }
  .modal-dialog { padding: 16px; }
  #upload-queue { left: 8px; right: 8px; max-width: none; bottom: 44px; }
}

/* ── Hidden ── */
.hidden { display: none !important; }