:root {
  --bg: #f5f8ff;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #65758b;
  --line: #e4e9f1;
  --primary: #2563eb;
  --primary-2: #3b82f6;
  --chip: #f2f6ff;
  --danger: #e11d48;
  --success: #059669;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body.dark {
  --bg: #0a101a;
  --card: #121c2a;
  --text: #f8fbff;
  --muted: #93a2b5;
  --line: #253143;
  --primary: #4f82ff;
  --primary-2: #71a1ff;
  --chip: #1a2637;
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
}

.bg-blur {
  position: fixed;
  z-index: -1;
  width: 26rem;
  height: 26rem;
  border-radius: 999px;
  filter: blur(72px);
  opacity: 0.24;
}

.blur-a {
  left: 20%;
  top: -10rem;
  background: #3b82f6;
}

.blur-b {
  right: 12%;
  bottom: 0;
  background: #a855f7;
}

.sidebar {
  position: fixed;
  left: 1rem;
  top: 1rem;
  bottom: 1rem;
  width: 5.2rem;
  border-radius: 1.2rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 84%, transparent);
  backdrop-filter: blur(10px);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 0.5rem;
}

.logo,
.brand-logo {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.64rem;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}

.nav-link {
  width: 100%;
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: 0.7rem;
  padding: 0.5rem 0.1rem;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.nav-link.active {
  background: var(--chip);
  color: var(--text);
  border-color: color-mix(in srgb, var(--primary) 32%, var(--line));
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 76%, transparent);
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-title {
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
}

.brand-sub {
  margin: 0.05rem 0 0;
  font-size: 0.76rem;
  color: var(--muted);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.credit-badge {
  font-size: 0.83rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--chip);
}

@media (max-width: 680px) {
  #runtimeBadge {
    display: none;
  }
}

.btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  height: 2rem;
  font-size: 0.82rem;
  padding: 0 0.9rem;
  cursor: pointer;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  filter: brightness(1.06);
}

.btn.ghost {
  background: var(--card);
}

.btn.guide {
  margin-top: 0.8rem;
}

.main {
  max-width: 1220px;
  margin: 0 auto;
  padding: 1rem 1rem 3.2rem;
}

.route {
  display: none;
}

.route.active {
  display: block;
}

.hero {
  text-align: center;
}

.notice {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  text-decoration: none;
  color: #7c4a12;
  background: #fff4e8;
  border: 1px solid #ffd7a1;
  border-radius: 999px;
  font-size: 0.86rem;
  padding: 0.38rem 0.95rem;
}

body.dark .notice {
  background: #2a1f14;
  border-color: #684f33;
  color: #ffd8a2;
}

.notice-action {
  color: #f97316;
  font-weight: 600;
}

.tag {
  background: #f97316;
  color: #fff;
  border-radius: 0.33rem;
  padding: 0.1rem 0.38rem;
  font-size: 0.65rem;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(1.7rem, 4.1vw, 3rem);
  min-height: 4rem;
  margin: 1rem 0 0;
}

.cursor {
  animation: blink 1s infinite;
  color: var(--primary);
}

@keyframes blink {
  50% { opacity: 0.25; }
}

.panel {
  margin: 1.2rem auto 0;
  max-width: 780px;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.05rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel textarea {
  width: 100%;
  border: 0;
  outline: none;
  padding: 1rem;
  resize: vertical;
  background: transparent;
  color: var(--text);
  min-height: 7.6rem;
}

.panel textarea::placeholder {
  color: var(--muted);
}

.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.9rem 1rem;
}

.left-actions,
.right-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.mini,
.panel select,
.work-card select,
.work-card input,
.work-card textarea,
.redeem-card input,
.auth-card input {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 0.65rem;
  font: inherit;
}

.panel select,
.work-card select,
.work-card input,
.redeem-card input,
.auth-card input {
  height: 2rem;
  padding: 0 0.65rem;
}

.mini {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
}

.mini.submit {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}

.section {
  margin-top: 2rem;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}

.section-head h2,
.section-head h3,
.section-head p {
  margin: 0;
}

.section-head p {
  color: var(--muted);
  font-size: 0.85rem;
}

.section-head.compact {
  margin-bottom: 0.7rem;
}

.masonry {
  columns: 2;
  gap: 0.85rem;
}

.card {
  break-inside: avoid;
  margin-bottom: 0.85rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.card img {
  width: 100%;
  display: block;
}

.card-meta {
  padding: 0.72rem;
}

.card-meta h4 {
  margin: 0;
  font-size: 0.9rem;
}

.card-meta p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.work-card,
.redeem-card,
.account-card,
.board-wrap > div,
.auth-card,
.preview-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  box-shadow: var(--shadow);
}

.work-card {
  padding: 0.95rem;
}

.work-card label {
  display: block;
  font-size: 0.84rem;
  color: var(--muted);
  margin: 0 0 0.35rem;
}

.work-card textarea {
  width: 100%;
  min-height: 7.2rem;
  padding: 0.6rem 0.7rem;
  resize: vertical;
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin: 0.75rem 0;
}

.work-card .btn.primary {
  width: 100%;
}

.hint {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.result-grid img {
  width: 100%;
  border-radius: 0.7rem;
  border: 1px solid var(--line);
  cursor: pointer;
}

.inline-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}

.inline-actions input {
  height: 2rem;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 0.65rem;
  padding: 0 0.65rem;
}

.hidden {
  display: none !important;
}

.admin-panel {
  margin-top: 0.8rem;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.stat-item {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--card);
  padding: 0.65rem;
}

.stat-item h4,
.stat-item p {
  margin: 0;
}

.stat-item h4 {
  font-size: 0.78rem;
  color: var(--muted);
}

.stat-item p {
  margin-top: 0.33rem;
  font-size: 1rem;
  font-weight: 700;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.list {
  display: grid;
  gap: 0.6rem;
}

.list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.75rem;
  box-shadow: var(--shadow);
}

.list-item h4 {
  margin: 0;
}

.list-item p {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.item-actions {
  display: flex;
  gap: 0.36rem;
}

.item-actions button {
  height: 1.9rem;
  border-radius: 0.52rem;
  border: 1px solid var(--line);
  padding: 0 0.55rem;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.item-actions button.danger {
  color: var(--danger);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
}

.package-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  padding: 0.9rem;
  box-shadow: var(--shadow);
}

.package-card h3,
.package-card p {
  margin: 0;
}

.package-card p {
  color: var(--muted);
  margin-top: 0.4rem;
}

.package-card .price {
  margin-top: 0.7rem;
  font-size: 1.3rem;
  font-weight: 700;
}

.package-card .btn {
  width: 100%;
  margin-top: 0.75rem;
}

.redeem-card {
  padding: 1rem;
  display: flex;
  gap: 0.55rem;
}

.redeem-card input {
  flex: 1;
}

.board-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.board-wrap > div {
  padding: 0.85rem;
}

.board-wrap h3 {
  margin: 0 0 0.7rem;
}

.board-list {
  margin: 0;
  padding-left: 1.25rem;
}

.board-list li {
  margin: 0.36rem 0;
  color: var(--muted);
}

.account-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.account-card {
  padding: 0.9rem;
}

.account-card h3,
.account-card p {
  margin: 0;
}

.account-card p {
  color: var(--muted);
  margin-top: 0.45rem;
}

.log-list {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.log-item {
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  padding: 0.55rem;
}

.log-item p {
  margin: 0;
  color: var(--text);
}

.log-item small {
  color: var(--muted);
}

dialog {
  border: 0;
  background: transparent;
  padding: 0;
}

dialog::backdrop {
  background: rgba(2, 8, 20, 0.46);
  backdrop-filter: blur(2px);
}

.auth-card,
.preview-card {
  width: min(90vw, 430px);
  padding: 0.95rem;
}

.auth-card h3 {
  margin: 0 0 0.8rem;
}

.auth-card input {
  width: 100%;
  margin-bottom: 0.6rem;
}

.auth-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.45rem;
}

.preview-card {
  width: min(92vw, 620px);
  position: relative;
}

.preview-card img {
  width: 100%;
  border-radius: 0.75rem;
}

.preview-card h3 {
  margin: 0.7rem 0 0.2rem;
}

.preview-card p {
  margin: 0;
  color: var(--muted);
}

.close {
  position: absolute;
  right: 0.45rem;
  top: 0.45rem;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 78%, transparent);
  color: var(--text);
  cursor: pointer;
}

.toast {
  position: fixed;
  bottom: 1.1rem;
  right: 1rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.6rem 0.78rem;
  border-radius: 0.58rem;
  font-size: 0.82rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.22s;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 860px) {
  .masonry {
    columns: 3;
  }

  .workbench,
  .board-wrap,
  .account-grid {
    grid-template-columns: 1fr 1fr;
  }

  .result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1100px) {
  .sidebar {
    display: flex;
  }

  .topbar {
    padding-left: 6.6rem;
  }

  .main {
    padding-left: 6.5rem;
  }

  .masonry {
    columns: 5;
  }

  .workbench {
    grid-template-columns: 1fr 1.1fr;
  }

  .board-wrap {
    grid-template-columns: repeat(3, 1fr);
  }
}