/* 飞天探微 · 报名页 / 管理页 */
#sky { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.form-page main { position: relative; z-index: 3; padding-top: 110px; }
.apply-hero { padding-block: 40px 30px; }
.apply-hero .display { font-size: clamp(2.2rem, 5vw, 4.6rem); }
.apply-lead { color: var(--ink-2); margin-top: 22px; max-width: 40em; }
.req { color: var(--sky); font-style: normal; }
.apply-facts { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.apply-facts li { padding: 9px 14px; border-radius: 12px; border: 1px solid var(--line); background: rgba(5, 14, 36, .7); font-size: 13.5px; color: var(--ink-2); }
.apply-facts b { color: var(--sky); font-weight: 500; margin-right: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; }

.apply-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(24px, 4vw, 60px); align-items: start; padding-bottom: 120px; }
.apply-nav { position: sticky; top: 100px; display: grid; gap: 14px; }
.ring { width: 120px; height: 120px; transform: rotate(0deg); }
.ring circle { fill: none; }
.ring-track { stroke: var(--line); stroke-width: 2; }
.ring-fill { stroke: var(--sky); stroke-width: 3; stroke-linecap: round; transform: rotate(-90deg); transform-origin: 60px 60px; transition: stroke-dashoffset .9s var(--spring-soft); filter: drop-shadow(0 0 6px rgba(79, 141, 255, .8)); }
.ring-sat { fill: #fff; stroke: none !important; filter: drop-shadow(0 0 6px #8cc8ff); transition: cx .9s var(--spring-soft), cy .9s var(--spring-soft); }
.ring-text { margin: -86px 0 40px; width: 120px; text-align: center; line-height: 1.2; font-size: 11px; color: var(--ink-3); }
.ring-text b { display: block; font-family: var(--mono); font-size: 28px; font-weight: 500; color: var(--ice); }
.apply-nav ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.apply-nav a { display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-radius: 10px; color: var(--ink-3); font-size: 14.5px; transition: color .3s, background-color .3s; }
.apply-nav a i { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--line-2); transition: background-color .3s, border-color .3s, transform .5s var(--spring); }
.apply-nav a.on { color: var(--ink); background: rgba(47, 107, 255, .12); }
.apply-nav a.complete i { background: var(--mint); border-color: var(--mint); transform: scale(1.15); box-shadow: 0 0 10px rgba(140, 255, 216, .7); }

.apply-form { display: grid; gap: 22px; min-width: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.block { margin: 0; border: 1px solid var(--line); border-radius: 26px; padding: clamp(22px, 3.5vw, 40px); background: rgba(5, 14, 36, .82); min-width: 0; scroll-margin-top: 100px; }
.block legend { float: left; width: 100%; display: flex; align-items: center; gap: 14px; font-size: clamp(1.3rem, 2.2vw, 1.7rem); font-weight: 700; margin-bottom: 20px; padding: 0; }
.block legend + * { clear: both; }
.block-no { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--sky); padding: 3px 9px; border: 1px solid var(--line-2); border-radius: 999px; }
.block-note { color: var(--ink-3); font-size: 14.5px; margin: -6px 0 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; margin-bottom: 18px; }
.field { display: grid; gap: 8px; margin-bottom: 20px; position: relative; min-width: 0; }
.grid-2 .field { margin-bottom: 0; }
.field > span:first-child, .field > span.q-no + span { font-size: 15px; color: var(--ink); }
.field small { font-size: 12.5px; color: var(--ink-3); margin-left: 8px; }
.field small.hint, .field small.why { margin: -4px 0 0; }
.field small.why { color: var(--sky); opacity: .8; font-size: 12.5px; }
.field small.why::before { content: "◇ "; }
input:not([type=checkbox]):not([type=radio]), textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink); background: rgba(2, 8, 22, .7); border: 1px solid var(--line-2); border-radius: 12px; padding: 12px 14px; outline: none;
  transition: border-color .25s, box-shadow .25s, background-color .25s; resize: none; line-height: 1.7;
}
input::placeholder, textarea::placeholder { color: rgba(196, 214, 245, .3); }
input:focus, textarea:focus { border-color: var(--sky); box-shadow: 0 0 0 4px rgba(79, 141, 255, .18); background: rgba(4, 14, 36, .9); }
.count { position: absolute; right: 12px; bottom: 8px; font-family: var(--mono); font-size: 11px; color: var(--ink-3); pointer-events: none; }
.field.invalid input, .field.invalid textarea { border-color: #ff8a9c; box-shadow: 0 0 0 4px rgba(255, 120, 140, .14); }
.field-msg { font-size: 13px; color: #ffb3c0; }
.field.invalid .seg, .field.invalid .chips-pick { outline: 1px dashed #ff8a9c; outline-offset: 6px; border-radius: 12px; }

.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label, .chips-pick label { position: relative; cursor: pointer; }
.seg input, .chips-pick input, .consent input { position: absolute; opacity: 0; pointer-events: none; }
.seg span, .chips-pick label span { display: inline-flex; align-items: center; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--line-2); background: rgba(2, 8, 22, .6); font-size: 14px; color: var(--ink-2); transition: all .25s, transform .5s var(--spring); user-select: none; }
.chips-pick { display: flex; flex-wrap: wrap; gap: 8px; }
.chips-pick label span { border-radius: 999px; padding: 8px 15px; }
.seg input:checked + span, .chips-pick input:checked + span { background: var(--blue); border-color: var(--blue-2); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px -10px rgba(47, 107, 255, .9); }
.seg input:focus-visible + span, .chips-pick input:focus-visible + span, .consent input:focus-visible + span::before { outline: 2px solid var(--sky); outline-offset: 3px; }
.seg label:hover span, .chips-pick label:hover span { border-color: var(--sky); }
.skill-add input { width: 150px !important; padding: 8px 15px !important; border-radius: 999px !important; font-size: 14px !important; border-style: dashed !important; }

.q { padding: 20px 0 6px; border-top: 1px dashed var(--line); }
.q-no { font-family: var(--latin); font-style: italic; font-size: 30px; line-height: 1; color: var(--sky); }

.consent { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; font-size: 15px; color: var(--ink-2); position: relative; margin-bottom: 22px; flex-wrap: wrap; }
.consent span { flex: 1; }
.consent span::before { content: ""; float: left; width: 20px; height: 20px; margin: 3px 12px 0 0; border-radius: 6px; border: 1.5px solid var(--line-2); background: rgba(2, 8, 22, .6); transition: all .25s; }
.consent input:checked + span::before { background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3L15 7' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 18px no-repeat; border-color: var(--blue-2); }
.consent .field-msg { width: 100%; }
.consent.invalid span::before { border-color: #ff8a9c; }
.submit-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.save-state { margin: 0; font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }
.form-error { margin: 14px 0 0; color: #ffb3c0; font-size: 14.5px; min-height: 1em; }
.submit.is-busy { opacity: .75; pointer-events: none; }
.submit.is-busy i { animation: spin 1s linear infinite; }

.done { min-height: 70vh; display: grid; align-content: center; justify-items: start; padding-block: 60px 120px; opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform 1.2s var(--spring-soft); }
.done.in { opacity: 1; transform: none; }
.done .display { font-size: clamp(2.2rem, 5vw, 4.4rem); }
.done-text { color: var(--ink-2); margin-top: 20px; }
.done-id { font-family: var(--mono); color: var(--ice); letter-spacing: .1em; }
.done-motto { color: var(--sky); letter-spacing: .3em; margin: 10px 0 30px; }
.done-orbit { width: 160px; height: 160px; border-radius: 50%; border: 1px dashed var(--line-2); position: relative; margin-bottom: 30px; animation: spin 6s linear infinite; }
.done-orbit::before { content: ""; position: absolute; inset: 52px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #9fd2ff, #2f6bff 55%, #0b1f56); box-shadow: 0 0 40px rgba(79, 141, 255, .7); }
.done-orbit span { position: absolute; left: 50%; top: -6px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: #fff; box-shadow: 0 0 18px 4px rgba(140, 200, 255, .9); }

/* 管理页 */
.admin { padding-bottom: 100px; }
.admin-login { max-width: 420px; display: grid; gap: 14px; }
.admin-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 20px 0 24px; }
.admin-bar input { max-width: 320px; }
.admin-count { color: var(--ink-3); font-family: var(--mono); font-size: 13px; }
.app-list { display: grid; gap: 14px; }
.app-card { border: 1px solid var(--line); border-radius: 18px; background: rgba(5, 14, 36, .85); overflow: hidden; }
.app-card summary { list-style: none; display: grid; grid-template-columns: 1fr auto; gap: 6px 20px; padding: 18px 22px; cursor: pointer; }
.app-card summary::-webkit-details-marker { display: none; }
.app-card h3 { font-size: 18px; }
.app-card .meta { color: var(--ink-3); font-size: 13.5px; }
.app-card time { font-family: var(--mono); font-size: 12px; color: var(--ink-3); text-align: right; }
.app-body { padding: 16px 22px 22px; margin: 0; display: grid; grid-template-columns: minmax(120px, 220px) 1fr; gap: 10px 22px; border-top: 1px dashed var(--line); }
.app-body dt { font-size: 12.5px; color: var(--sky); letter-spacing: .06em; padding-top: 3px; }
.app-body dd { margin: 0; white-space: pre-wrap; word-break: break-word; color: var(--ink-2); }

@media (max-width: 900px) {
  .apply-layout { grid-template-columns: 1fr; }
  .apply-nav { position: sticky; top: 64px; z-index: 5; grid-template-columns: auto 1fr; align-items: center; gap: 12px; padding: 8px 12px; border-radius: 16px; background: rgba(3, 9, 24, .92); border: 1px solid var(--line); }
  .ring { width: 44px; height: 44px; }
  .ring-text { display: none; }
  .apply-nav ol { display: flex; overflow-x: auto; gap: 4px; scrollbar-width: none; }
  .apply-nav a { white-space: nowrap; padding: 6px 8px; font-size: 13px; gap: 6px; }
  .grid-2 { grid-template-columns: 1fr; }
  .block { border-radius: 20px; }
}
@media (max-width: 760px) { .app-body { grid-template-columns: 1fr; gap: 4px; } .app-body dd { margin-bottom: 10px; } }