/* 后台页面，在 style.css 基础上补充 */
html { scroll-snap-type: none; }
body.mg { min-height: 100vh; background: radial-gradient(1200px 600px at 80% -10%, rgba(139,92,255,.16), transparent 60%), var(--bg); }
[hidden] { display: none !important; }

.mg-top {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 20px;
  padding: 14px 28px; background: rgba(7,7,12,.92); border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em;
}
.mg-brand { color: var(--muted); }
.mg-brand:hover { color: var(--fg); }
.mg-title { color: var(--lime); font-weight: 700; }
.mg-user { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.mg-main { max-width: 980px; margin: 0 auto; padding: 40px 28px 80px; }
.mg-loading { font-family: var(--mono); color: var(--muted); letter-spacing: .2em; text-align: center; padding: 80px 0; }
.mg-panel h2 { margin-top: 6px; font-size: 26px; }
.mg-muted { color: var(--muted); font-size: 14px; }
.mg-login { display: flex; justify-content: center; padding-top: 40px; }
.mg-empty { text-align: center; padding: 80px 0; }
.mg-empty .mg-muted { margin-top: 12px; }

.mg-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.mg-head .btn-pixel { padding: 10px 20px; font-size: 14px; }

/* 列表 */
.mg-table-wrap { overflow-x: auto; border: 1px solid var(--line); }
.mg-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.mg-table th, .mg-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.mg-table th { font: 12px var(--mono); letter-spacing: .12em; color: var(--muted); font-weight: 400; background: rgba(255,255,255,.03); }
.mg-table tbody tr:hover { background: rgba(212,255,58,.04); }
.mg-table td.mg-wrap { white-space: normal; min-width: 160px; }
.mg-table .mg-dim { color: var(--muted); }
.mg-table .mg-yes { color: var(--lime); }
.mg-table .mg-empty-row td { text-align: center; color: var(--muted); padding: 40px; }
.mg-table button { font: 12px var(--mono); }

/* 表单 */
.mg-form fieldset, .mg-video { border: 1px solid var(--line); padding: 22px 24px 8px; margin-bottom: 24px; background: rgba(13,13,22,.6); }
.mg-form legend, .mg-video legend { padding: 0 8px; font: 12px var(--mono); letter-spacing: .15em; color: var(--lime); }
.mg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.field textarea {
  width: 100%; padding: 12px 14px; font: 15px/1.6 var(--sans); color: var(--fg); resize: vertical;
  background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 0; outline: none;
}
.field textarea:focus { border-color: var(--lime); box-shadow: 0 0 0 3px rgba(212,255,58,.15); }
.field input:disabled { opacity: .6; }
.mg-count { float: right; font-style: normal; font-family: var(--mono); font-size: 11px; }

.mg-members { margin-bottom: 16px; }
.mg-members-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
.mg-member { position: relative; display: grid; grid-template-columns: 32px 1fr 1fr auto; gap: 10px; margin-bottom: 10px; }
.mg-member .mg-drag {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 32px; padding: 0;
  cursor: grab; touch-action: none; color: var(--muted); border-color: var(--line);
}
.mg-member .mg-drag i { display: block; width: 14px; height: 2px; background: currentColor; }
.mg-member .mg-drag:hover, .mg-member .mg-drag:focus-visible { color: var(--lime); border-color: var(--lime); outline: none; }
.mg-member.is-dragging { z-index: 2; box-shadow: 0 12px 30px rgba(0,0,0,.55), 0 0 0 1px var(--lime); background: var(--bg); }
.mg-member.is-dragging .mg-drag { cursor: grabbing; color: var(--lime); border-color: var(--lime); }
.mg-member input {
  width: 100%; padding: 10px 12px; font: 15px var(--mono); color: var(--fg);
  background: rgba(255,255,255,.04); border: 1px solid var(--line); outline: none;
}
.mg-member input:focus { border-color: var(--lime); }
.mg-member button { width: 40px; cursor: pointer; background: none; border: 1px solid var(--line); color: var(--muted); }
.mg-member button:not(.mg-drag):hover { color: var(--pink); border-color: var(--pink); }
.mg-members-empty { font-size: 13px; color: var(--muted); padding: 4px 0 6px; }

.mg-actions { display: flex; align-items: center; gap: 20px; margin-bottom: 32px; }
.mg-ok { color: var(--lime); font-size: 14px; }
.mg-danger {
  margin-left: auto; cursor: pointer; padding: 8px 14px; font: 12px var(--mono); letter-spacing: .1em;
  background: none; color: var(--pink); border: 1px solid rgba(255,61,139,.5);
}
.mg-danger { transition: background .15s, color .15s, transform var(--spring-dur) var(--spring); }
.mg-danger:hover { background: var(--pink); color: var(--bg); }
.mg-danger:active:not(:disabled) { transform: scale(.94); transition-duration: .1s; }

/* 视频 */
.mg-video { padding-bottom: 16px; }
.mg-video video { display: block; width: 100%; max-height: 420px; margin: 14px 0 6px; background: #000; }
.mg-video-meta { font: 12px var(--mono); color: var(--muted); margin-bottom: 14px; }
.mg-upload { display: flex; align-items: center; gap: 16px; margin-top: 14px; }
.mg-upload .mg-danger { margin-left: 0; }
.mg-file { position: relative; overflow: hidden; padding: 10px 20px; font-size: 14px; }
.mg-file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.mg-file.is-busy { opacity: .55; pointer-events: none; }
.mg-progress { position: relative; height: 22px; margin-top: 16px; background: rgba(255,255,255,.06); }
.mg-progress i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: linear-gradient(90deg, var(--violet), var(--lime)); transition: width .5s var(--spring-soft); }
.mg-progress span { position: relative; display: block; text-align: center; font: 12px/22px var(--mono); color: var(--fg); mix-blend-mode: difference; }
.mg-video .modal-err { margin: 10px 0 0; }

/* 信息封存 / 路演 PPT */
#view-edit.is-locked .mg-lockable { display: none !important; }
.mg-form fieldset:disabled .mg-member { grid-template-columns: 1fr 1fr; }
.mg-form fieldset:disabled .mg-members button, .mg-form fieldset:disabled #btn-add-member { display: none; }
#ppt-current .mg-video-meta { margin: 12px 0 14px; }
.mg-form fieldset:disabled input, .mg-form fieldset:disabled textarea { opacity: .7; cursor: default; }
.mg-lock {
  display: flex; gap: 10px; align-items: baseline; margin-bottom: 24px; padding: 14px 18px;
  border: 1px solid rgba(212,255,58,.35); background: rgba(212,255,58,.06); font-size: 14px; line-height: 1.7;
}
.mg-lock b { font: 12px var(--mono); letter-spacing: .12em; color: var(--lime); white-space: nowrap; }
.mg-ppt { border-color: rgba(212,255,58,.35); }
.mg-ppt-file { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 14px 0; padding: 12px 14px; border: 1px solid var(--line); background: rgba(255,255,255,.03); }
.mg-ppt-ext { font: 700 12px var(--mono); padding: 6px 8px; color: #07070c; background: var(--lime); }
.mg-ppt-ext.is-pdf { background: #ff7a7a; }
.mg-ppt-name { flex: 1; min-width: 0; overflow-wrap: anywhere; font-size: 14px; }
.mg-ppt-name small { display: block; font: 12px var(--mono); color: var(--muted); margin-top: 2px; }
.mg-ppt-file .account-out { font-size: 12px; padding: 5px 12px; }
.mg-deadline { color: var(--lime); font-family: var(--mono); }
.mg-deadline.is-closed { color: #ff7a7a; }

/* 封面 */
.mg-cover { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; margin: 14px 0 6px; background: #000; border: 1px solid var(--line); }
.mg-crop { margin-top: 14px; }
.mg-crop-view { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; cursor: grab; touch-action: none; border: 1.5px solid var(--lime); }
.mg-crop-view.is-dragging { cursor: grabbing; }
.mg-crop-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 20px; margin-top: 12px; }
.mg-zoom { display: flex; align-items: center; gap: 10px; font: 12px var(--mono); color: var(--muted); }
.mg-zoom input { width: 200px; accent-color: var(--lime); }
.mg-status { font: 13px var(--mono); margin: 4px 0 10px; color: var(--lime); }
.mg-status.is-failed { color: var(--pink); }
.mg-status.is-busy::after { content: ""; display: inline-block; width: 8px; height: 8px; margin-left: 8px; background: var(--lime); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* 专业评委 / 评分结果 */
.mg-sub-head { margin-top: 56px; }
.mg-sub-head .mg-muted { margin-top: 6px; max-width: 640px; }
.mg-pro-form { display: flex; flex-wrap: wrap; gap: 10px; }
.mg-pro-form input {
  flex: 1 1 160px; padding: 10px 12px; font: 15px var(--mono); color: var(--fg);
  background: rgba(255,255,255,.04); border: 1px solid var(--line); outline: none;
}
.mg-pro-form input:focus { border-color: var(--lime); }
.mg-pro-form .btn-pixel { padding: 10px 20px; font-size: 14px; }
.mg-pro-list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.mg-pro-list li { display: flex; align-items: center; gap: 10px; padding: 6px 6px 6px 12px; border: 1px solid var(--line); font: 13px var(--mono); }
.mg-pro-list li span { color: var(--muted); font-family: var(--sans); }
.mg-pro-list li button { padding: 3px 10px; font-size: 11px; }
.mg-pro-empty { color: var(--muted); font-size: 13px; }
.mg-score { font: 700 16px var(--mono); }
.mg-final { font: 800 20px var(--mono); color: var(--lime); }
.mg-rank { font: 700 15px var(--mono); }
.mg-rank.is-1 { color: #ffd84d; } .mg-rank.is-2 { color: #d8dde6; } .mg-rank.is-3 { color: #e3a36b; }
.mg-live { margin-top: 8px; font: 12px var(--mono); letter-spacing: .1em; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.mg-live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 8px var(--lime); animation: blink 1.6s ease-in-out infinite; }
.mg-live:empty { display: none; }
.mg-score small { font-weight: 400; color: var(--muted); margin-left: 4px; }

/* 报名名单 */
.mg-signups { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mg-signup-col { border: 1px solid var(--line); background: rgba(13,13,22,.6); }
.mg-signup-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
.mg-signup-head span { font: 12px var(--mono); color: var(--muted); }
.mg-signup-head button { margin-left: auto; font-size: 11px; padding: 4px 10px; }
.mg-signup-list { list-style: none; max-height: 360px; overflow-y: auto; counter-reset: n; }
.mg-signup-list li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 14px; font: 13px var(--mono); border-bottom: 1px solid rgba(255,255,255,.05); counter-increment: n; }
.mg-signup-list li::before { content: counter(n); color: var(--muted); min-width: 2em; }
.mg-signup-list li b { flex: 1; font-weight: 400; }
.mg-signup-list li span { color: var(--muted); }
.mg-signup-list li.mg-pro-empty { justify-content: center; }
.mg-signup-list li.is-off b { color: var(--muted); }
.mg-signup-list li em { margin-left: 8px; font: 11px var(--mono); font-style: normal; color: #ff7a7a; border: 1px solid rgba(255,122,122,.4); padding: 0 5px; }
.mg-allow textarea {
  width: 100%; min-height: 160px; padding: 12px 14px; resize: vertical;
  font: 13px/1.6 var(--mono); color: var(--fg); background: rgba(255,255,255,.04);
  border: 1px solid var(--line); outline: none;
}
.mg-allow textarea:focus { border-color: var(--lime); }
.mg-allow-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 10px; }
.mg-allow-bar .modal-err { margin: 0; flex: 1; }
.mg-allow-bar .btn-pixel { margin-left: auto; padding: 10px 20px; font-size: 14px; }
.mg-signup-list li.mg-pro-empty::before { content: none; }

/* 宣传海报 */
.mg-poster { display: grid; grid-template-columns: minmax(0, 340px) 1fr; gap: 28px; margin-top: 16px; align-items: start; }
.mg-poster-canvas { display: block; width: 100%; aspect-ratio: 9 / 16; border: 1px solid var(--line); background: #07070c; }
.mg-poster-label { font: 12px var(--mono); letter-spacing: .12em; color: var(--muted); margin-bottom: 10px; }
.mg-slogans { display: grid; gap: 8px; margin-bottom: 20px; }
.mg-slogan { display: flex; align-items: center; gap: 10px; padding: 10px 12px; cursor: pointer; font-size: 14px;
  border: 1px solid var(--line); transition: border-color .2s, background .2s, transform var(--spring-dur) var(--spring); }
.mg-slogan:hover { border-color: rgba(212,255,58,.5); }
.mg-slogan input { accent-color: var(--lime); }
.mg-slogan.is-on { border-color: var(--lime); background: rgba(212,255,58,.07); }
.mg-poster-url { margin-top: 12px; font-size: 12px; word-break: break-all; }

@media (max-width: 700px) {
  .mg-zoom input { width: 140px; }
  .mg-poster { grid-template-columns: 1fr; }
  .mg-signups { grid-template-columns: 1fr; }
  .mg-poster-canvas { max-width: 300px; margin: 0 auto; }
  .mg-top { padding: 12px 16px; gap: 12px; }
  .mg-title { display: none; }
  .mg-main { padding: 28px 16px 60px; }
  .mg-grid { grid-template-columns: 1fr; }
  .mg-member { grid-template-columns: 32px 1fr 1fr 40px; }
  .mg-form fieldset, .mg-video { padding: 18px 14px 4px; }
  .mg-head { flex-direction: column; align-items: flex-start; }
}

.mg-roadshow {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 40px; padding: 18px 22px;
  border: 1px solid rgba(212,255,58,.45); background: linear-gradient(90deg, rgba(212,255,58,.08), rgba(139,92,255,.08));
  transition: transform var(--spring-dur, .75s) var(--spring), border-color .2s;
}
.mg-roadshow:hover { transform: translateY(-2px); border-color: var(--lime); }
.mg-roadshow b { display: block; font-size: 17px; margin-bottom: 4px; }
.mg-roadshow span { font-size: 13px; color: var(--muted); }
.mg-roadshow em { font: 700 14px var(--mono); font-style: normal; color: var(--lime); white-space: nowrap; }

/* 专业评委邀请链接 */
.mg-invites { margin-top: 22px; padding: 18px 20px; border: 1px dashed rgba(139,92,255,.5); background: rgba(139,92,255,.05); }
.mg-invite-head { margin-bottom: 12px; }
.mg-invite-head b { display: block; font-size: 15px; }
.mg-invite-head span { display: block; margin-top: 4px; font-size: 13px; color: var(--muted); }
.mg-invite-list { list-style: none; display: grid; gap: 10px; }
.mg-invite-list li:not(.mg-pro-empty) { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 12px 14px; border: 1px solid var(--line); background: rgba(13,13,22,.7); transition: border-color .4s, box-shadow .4s; }
.mg-invite-list li.is-new { border-color: var(--lime); box-shadow: 0 0 24px rgba(212,255,58,.15); }
.mg-invite-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1; }
.mg-invite-info b { font-size: 14px; }
.mg-invite-url { font: 13px var(--mono); color: var(--lime); overflow-wrap: anywhere; user-select: all; }
.mg-invite-info small { font-size: 12px; color: var(--muted); }
.mg-invite-btns { display: flex; gap: 8px; }
.mg-invite-btns button { padding: 6px 14px; font-size: 12px; }

/* 体验方式 */
.mg-play { margin: 4px 0 18px; padding: 16px 18px 4px; border: 1px dashed rgba(139,92,255,.45); background: rgba(139,92,255,.04); }
.mg-play-head { margin-bottom: 14px; }
.mg-play-head span { display: block; font-size: 14px; font-weight: 600; }
.mg-play-head small { display: block; margin-top: 3px; font-size: 12px; color: var(--muted); }
.mg-platforms { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.mg-chip { position: relative; cursor: pointer; }
.mg-chip input { position: absolute; opacity: 0; pointer-events: none; }
.mg-chip span { display: inline-block; padding: 7px 14px; font-size: 13px; border: 1px solid var(--line); color: var(--muted); transition: color .15s, border-color .15s, background .15s, transform var(--spring-dur, .75s) var(--spring); }
.mg-chip:hover span { color: var(--fg); border-color: var(--muted); }
.mg-chip input:checked + span { color: var(--bg); background: var(--lime); border-color: var(--lime); font-weight: 600; }
.mg-chip input:focus-visible + span { outline: 2px solid var(--fg); outline-offset: 2px; }
.mg-chip input:checked + span { animation: mg-chip-pop .45s var(--spring); }
@keyframes mg-chip-pop { from { transform: scale(.88); } to { transform: none; } }
.mg-form fieldset:disabled .mg-chip { cursor: default; }
.mg-form fieldset:disabled .mg-chip input:not(:checked) + span { opacity: .45; }

/* 专业评委邀请海报弹窗 */
.ip-box { width: min(420px, calc(100vw - 32px)); }
.ip-canvas { width: 100%; max-height: 62vh; object-fit: contain; margin-top: 14px; }
.ip-note { margin-top: 12px; font-size: 12px; }
.ip-box .btn-pixel { margin-top: 10px; }