@font-face {
  font-family: "Huiwen Mincho";
  src: url("fonts/Huiwen-mincho.otf") format("opentype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "KingHwa Old Song";
  src: url("fonts/KingHwaOldSongv3.0.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "MiSans";
  src: url("fonts/MiSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "MiSans";
  src: url("fonts/MiSans-Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "MiSans";
  src: url("fonts/MiSans-Semibold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}

:root {
  /* 档案馆金标 + 提问箱暖纸 */
  --ink: #23232b;
  --ink-soft: #3d3934;
  --paper: #f5f1e8;
  --paper-2: #f9eee3;
  --card: #faf7f1;
  --line: rgba(61, 57, 52, 0.12);
  --gold: #b6a36b;
  --gold-deep: #8a7349;
  --blue: #7a8bae;
  --muted: #5c5349;
  --ok: #3d7a5c;
  --warn: #9a6b2f;
  --bad: #8f4a4a;
  --shadow: 0 14px 40px rgba(61, 57, 52, 0.1);
  --radius: 12px;
  --font-ui: "MiSans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-brand: "Huiwen Mincho", "Songti SC", serif;
}

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.site-foot {
  margin: 1.25rem auto 1rem;
  padding: 0 1rem;
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted, #5c5349);
  opacity: 0.75;
}

/* 右侧轻提示（对齐 Nagisa 收集箱 toast） */
.egift-toast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10050;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: 0.5rem;
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.12),
    0 4px 6px -2px rgba(0, 0, 0, 0.06);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: #22c55e;
  max-width: min(90vw, 360px);
  pointer-events: none;
  transform: translateX(calc(100% + 1.5rem));
  opacity: 0;
  transition:
    opacity 0.3s ease,
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.egift-toast.is-show {
  opacity: 1;
  transform: translateX(0);
}

.egift-toast.is-error {
  background: #ef4444;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(880px 460px at 14% -6%, rgba(182, 163, 107, 0.28), transparent 58%),
    radial-gradient(720px 500px at 90% 10%, rgba(122, 139, 174, 0.14), transparent 55%),
    linear-gradient(160deg, #f9eee3 0%, #f5f1e8 48%, #efe8dc 100%);
  animation: wash 14s ease-in-out infinite alternate;
}

@keyframes wash {
  from { filter: saturate(1) hue-rotate(0deg); }
  to { filter: saturate(1.08) hue-rotate(-6deg); }
}

.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(2.4rem, 6vw, 4.2rem) 1.25rem 1.25rem;
  animation: rise 0.7s ease both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.brand {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(2.8rem, 8vw, 4.6rem);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--ink);
}

.tagline {
  margin: 0.85rem 0 0;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 500;
  color: var(--ink-soft);
}

.lede {
  margin: 0.55rem 0 0;
  max-width: 34rem;
  color: var(--blue);
  font-size: 0.98rem;
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem 3.5rem;
  animation: rise 0.85s ease 0.08s both;
}

.tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-weight: 500;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tab:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.45);
}

.tab.is-active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.1rem;
}

.stat {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.stat b {
  display: block;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.stat span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.78rem;
  color: var(--blue);
}

.panel[hidden] {
  display: none !important;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: end;
  margin-bottom: 0.75rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  min-width: 8.5rem;
}

.field.grow {
  flex: 1 1 12rem;
  min-width: 12rem;
}

.field span {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
}

.field input,
.field select,
.btn {
  height: 2.45rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font: inherit;
  padding: 0 0.8rem;
}

.field input:focus,
.field select:focus,
.btn:focus-visible {
  outline: 2px solid rgba(168, 148, 90, 0.45);
  outline-offset: 1px;
}

.btn {
  cursor: pointer;
  font-weight: 500;
  padding-inline: 1.05rem;
  background: linear-gradient(180deg, #c4b17a, var(--gold-deep));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(138, 115, 73, 0.22);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn:hover {
  filter: brightness(1.05);
}

.btn:disabled {
  opacity: 0.65;
  cursor: wait;
  filter: none;
  transform: none;
}


.meta {
  min-height: 1.2rem;
  margin-bottom: 0.55rem;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.table-wrap {
  overflow: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.grid th,
.grid td {
  padding: 0.72rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.grid th {
  position: sticky;
  top: 0;
  background: rgba(247, 245, 240, 0.94);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 600;
  z-index: 1;
}

.grid tbody tr {
  transition: background 0.15s ease;
}

.grid tbody tr:hover {
  background: rgba(168, 148, 90, 0.08);
}

.grid td.wrap {
  white-space: normal;
  min-width: 10rem;
  max-width: 18rem;
}

.uid {
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.pill-ok {
  color: var(--ok);
  background: rgba(61, 122, 92, 0.12);
}

.pill-warn {
  color: var(--warn);
  background: rgba(154, 107, 47, 0.12);
}

.pill-bad {
  color: var(--bad);
  background: rgba(143, 74, 74, 0.12);
}

.pill-mute {
  color: var(--ink-soft);
  background: rgba(58, 65, 84, 0.08);
}

.empty {
  margin: 1.5rem 0 0;
  text-align: center;
  color: var(--blue);
}

.foot-note {
  margin: 1.25rem 0 0;
  font-size: 0.78rem;
  color: var(--blue);
}

@media (max-width: 820px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .toolbar {
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}

/* register */
a.tab {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.steps {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.step {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.step.is-active {
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  border-color: rgba(168, 148, 90, 0.45);
}

.step.is-done {
  color: var(--ok);
}

.register-panel {
  padding: 1rem 1.1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.register-form {
  margin-bottom: 0.35rem;
}

.code-box {
  margin-bottom: 0.9rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(168, 148, 90, 0.14), rgba(95, 113, 148, 0.1));
  border: 1px dashed rgba(138, 118, 68, 0.35);
}

.code-label {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.code-value {
  display: block;
  width: 100%;
  margin: 0.45rem 0 0;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  user-select: all;
  cursor: pointer;
}

.code-value:hover {
  color: var(--gold-deep, #8a7349);
}

.code-meta {
  margin: 0.45rem 0 0;
  font-size: 0.82rem;
  color: var(--blue);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-ghost:hover {
  filter: none;
  color: var(--ink);
}

.done-box {
  text-align: left;
}

.done-title {
  margin: 0 0 0.45rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.foot-note a {
  color: inherit;
}

/* home login — one composition */
.page-home {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.home-bg {
  background:
    radial-gradient(920px 520px at 18% -8%, rgba(168, 148, 90, 0.34), transparent 58%),
    radial-gradient(760px 560px at 88% 12%, rgba(95, 113, 148, 0.28), transparent 55%),
    radial-gradient(640px 420px at 70% 92%, rgba(168, 148, 90, 0.12), transparent 60%),
    linear-gradient(155deg, #f8f6f1 0%, #e9eef6 46%, #d9e2ef 100%);
}

.home-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  animation: orb-drift 16s ease-in-out infinite alternate;
}

.home-orb-a {
  width: 280px;
  height: 280px;
  left: -60px;
  bottom: 8%;
  background: rgba(168, 148, 90, 0.35);
}

.home-orb-b {
  width: 360px;
  height: 360px;
  right: -80px;
  top: 18%;
  background: rgba(95, 113, 148, 0.28);
  animation-delay: -6s;
  animation-duration: 20s;
}

@keyframes orb-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(18px, -22px, 0) scale(1.08); }
}

.home-frame {
  position: relative;
  z-index: 1;
  width: min(420px, 100%);
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  animation: home-in 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes home-in {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.home-brand {
  text-align: center;
}

.home-brand-name {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(3.4rem, 12vw, 5rem);
  letter-spacing: 0.06em;
  line-height: 0.95;
  color: var(--ink);
  animation: brand-soft 7s ease-in-out infinite alternate;
}

@keyframes brand-soft {
  from { letter-spacing: 0.05em; }
  to { letter-spacing: 0.08em; }
}

.home-welcome {
  margin: 0.9rem 0 0;
  font-size: clamp(1.15rem, 3vw, 1.35rem);
  font-weight: 500;
  color: var(--ink-soft);
}

.home-sub {
  margin: 0.4rem auto 0;
  max-width: 18rem;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--blue);
}

.home-panel {
  padding: 1.35rem 1.35rem 1.2rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.52));
  box-shadow:
    0 24px 60px rgba(24, 28, 40, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  animation: home-in 0.95s cubic-bezier(0.22, 1, 0.36, 1) 0.08s both;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.login-form .field {
  min-width: 0;
  width: 100%;
}

.login-form .field input {
  height: 2.7rem;
  width: 100%;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.88);
}

.btn-login {
  width: 100%;
  height: 2.75rem;
  margin-top: 0.2rem;
  border-radius: 12px;
  font-size: 1rem;
  letter-spacing: 0.06em;
}

.login-msg {
  min-height: 1.2rem;
  margin: 0.65rem 0 0;
  text-align: center;
}

.home-links {
  margin: 0.85rem 0 0;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  font-size: 0.9rem;
  color: var(--blue);
}

.home-links a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.home-links a:hover {
  color: var(--ink);
  border-bottom-color: rgba(138, 118, 68, 0.55);
}

/* legacy home-stage kept unused */
.home-stage {
  display: none;
}

.hero-compact {
  padding-bottom: 0.4rem;
}

.placeholder-title {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.user-chip {
  margin-top: 1rem;
  display: inline-block;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.claim-quiz-panel {
  margin-top: 0.9rem;
}

.claim-quiz-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 0.85rem;
}

.claim-quiz-card {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(168, 148, 90, 0.32);
  background: linear-gradient(180deg, rgba(255, 250, 235, 0.9), rgba(255, 255, 255, 0.72));
}

.claim-quiz-card h3 {
  margin: 0;
  font-size: 1.05rem;
  min-width: 0;
}

.quiz-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  flex-wrap: wrap;
}

.quiz-card-head .quiz-deadline {
  margin: 0;
  flex-shrink: 0;
  text-align: right;
  font-size: 0.82rem;
}

.quiz-card-intro {
  margin: 0.35rem 0 0;
}

.claim-quiz-card .quiz-q {
  margin: 0.75rem 0 0;
  padding: 0.65rem 0.7rem 0.75rem;
  border: 1px dashed rgba(138, 118, 68, 0.28);
  border-radius: 10px;
}

.claim-quiz-card legend {
  padding: 0 0.25rem;
  font-size: 0.78rem;
  color: var(--gold-deep);
}

.quiz-prompt {
  margin: 0.15rem 0 0.45rem;
}

.quiz-q-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: 0.45rem;
  margin: 0 0 0.55rem;
}

.quiz-q-img {
  display: block;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(138, 118, 68, 0.28);
  background: rgba(255, 255, 255, 0.55);
  aspect-ratio: 1;
}

.quiz-q-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quiz-choices {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.quiz-text-input {
  width: 100%;
  min-height: 4.2rem;
  resize: vertical;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  font: inherit;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
}

.quiz-text-input:focus {
  outline: 2px solid rgba(168, 148, 90, 0.45);
  outline-offset: 1px;
}

.quiz-blanks {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.quiz-blank-input {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.82rem;
  color: var(--gold-deep);
}

.quiz-blank-field {
  width: 100%;
  height: 2.4rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  font: inherit;
  padding: 0 0.7rem;
  color: var(--ink);
  box-sizing: border-box;
}

.quiz-blank-field:focus {
  outline: 2px solid rgba(168, 148, 90, 0.45);
  outline-offset: 1px;
}

.quiz-deadline {
  margin: 0.2rem 0 0;
  color: var(--gold-deep);
}

.quiz-deadline.is-expired,
.quiz-expired-msg {
  color: #a35a4a;
}

.claim-quiz-card.is-expired {
  opacity: 0.88;
}

.quiz-choice {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  cursor: pointer;
}

.quiz-result {
  margin-top: 0.75rem;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  background: rgba(61, 122, 92, 0.08);
}

.quiz-score {
  margin: 0 0 0.35rem;
  font-weight: 600;
}

.claim-quiz-card .gift-url {
  color: var(--gold-deep);
}

.claim-quiz-card .quiz-submit {
  margin-top: 0;
}

.quiz-submit-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

.quiz-submit-row .quiz-card-msg {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
}

.quiz-submit-row .quiz-submit {
  flex: 0 0 auto;
  width: auto;
}

.claim-quiz-card .empty,
#quiz-empty {
  margin-top: 0.75rem;
}

.claim-code-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: end;
  margin-top: 0.75rem;
}

.claim-gift-box {
  margin-top: 0.85rem;
  padding: 0.75rem 0.8rem;
  border: 1px dashed rgba(138, 118, 68, 0.35);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.45);
}

.claim-gift-title {
  margin: 0 0 0.25rem;
  font-size: 1.02rem;
}

.claim-gift-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.55rem 0 0.25rem;
  justify-content: flex-end;
}

.claim-code-result {
  margin-top: 0.75rem;
}

.gift-asset {
  margin-top: 0.35rem;
}

.gift-asset-title {
  margin: 0 0 0.35rem;
  font-weight: 600;
}

.gift-preview-link {
  display: inline-block;
  max-width: 100%;
  border-radius: 10px;
  line-height: 0;
  transition: opacity 0.15s ease, box-shadow 0.15s ease;
}

.gift-preview-link:hover {
  opacity: 0.92;
  box-shadow: 0 0 0 2px rgba(61, 95, 138, 0.28);
}

.gift-preview {
  display: block;
  max-width: min(100%, 28rem);
  max-height: 18rem;
  width: auto;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  object-fit: contain;
  cursor: zoom-in;
}

.gift-preview-hint {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
}

.claim-gift-preview {
  margin-top: 0.65rem;
}

.gift-asset-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.55rem 0 0;
  justify-content: flex-end;
}

.gift-asset-actions .btn,
.gift-asset-actions .btn-ghost {
  width: auto;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.gift-plain {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 560px) {
  .page-home {
    padding: 1.1rem;
    align-items: start;
    padding-top: clamp(2.5rem, 14vh, 4.5rem);
  }

  .home-panel {
    padding: 1.15rem 1.05rem 1.05rem;
  }
}