:root {
  --color-primary: #6366f1;
  --color-primary-hover: #818cf8;
  --color-accent-gold: #f5a623;
  --color-accent-cyan: #22d3ee;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-bg-base: #080818;
  --color-bg-elevated: #111128;
  --color-bg-hover: #222250;
  --color-border: #2a2a4a;
  --color-card-bg: #181830;
  --color-card-border: rgba(255, 255, 255, 0.08);
  --color-input-bg: #151532;
  --color-text-primary: #f1f1f8;
  --color-text-secondary: #b0b0c8;
  --color-text-muted: #7878a0;
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px rgba(99, 102, 241, 0.14);
  --content-max: 1200px;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(99, 102, 241, 0.18), transparent 32rem),
    radial-gradient(circle at 12% 0%, rgba(34, 211, 238, 0.08), transparent 24rem),
    var(--color-bg-base);
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  min-height: 100vh;
}

.topbar {
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgba(8, 8, 24, 0.78);
  border-bottom: 1px solid var(--color-card-border);
  display: flex;
  height: 64px;
  justify-content: space-between;
  left: 0;
  padding: 0 28px;
  position: sticky;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  align-items: center;
  background: rgba(99, 102, 241, 0.16);
  border: 1px solid rgba(99, 102, 241, 0.28);
  border-radius: 10px;
  color: var(--color-primary-hover);
  display: flex;
  font-weight: 800;
  height: 36px;
  justify-content: center;
  letter-spacing: 0.02em;
  width: 36px;
}

.brand-title {
  color: var(--color-text-primary);
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.nav {
  align-items: center;
  display: flex;
  gap: 8px;
}

.nav-link,
.mini-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--color-text-secondary);
  display: inline-flex;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  transition: 0.18s ease;
}

.nav-link:hover,
.mini-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.nav-link.active {
  background: rgba(99, 102, 241, 0.16);
  border-color: rgba(99, 102, 241, 0.26);
  color: var(--color-primary-hover);
}

.mini-btn {
  border-color: var(--color-card-border);
}

.main {
  margin: 0 auto;
  max-width: var(--content-max);
  padding: 32px 24px 80px;
}

.page-head {
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-kicker {
  color: var(--color-accent-cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.page-head h1,
.login-card h1 {
  color: var(--color-text-primary);
  font-size: 28px;
  line-height: 1.2;
  margin: 0 0 8px;
}

.page-head p,
.login-card p {
  color: var(--color-text-muted);
  margin: 0;
  max-width: 680px;
}

.metrics {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(90px, 1fr));
  min-width: 320px;
}

.metric {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 10px;
  padding: 12px 14px;
}

.metric strong {
  color: var(--color-text-primary);
  display: block;
  font-size: 20px;
  line-height: 1.1;
}

.metric span {
  color: var(--color-text-muted);
  font-size: 12px;
}

.toolbar,
.filter-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.toolbar {
  justify-content: space-between;
}

.toolbar-left,
.toolbar-right {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.search,
.select,
.input,
.textarea {
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  outline: none;
  padding: 10px 13px;
  transition: border-color 0.15s ease;
}

.search {
  min-width: 260px;
}

.select {
  color: var(--color-text-secondary);
}

.input:focus,
.textarea:focus,
.search:focus,
.select:focus {
  border-color: var(--color-primary);
}

.tabs {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tab,
.pill {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 8px;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  transition: 0.18s ease;
}

.pill {
  border-radius: 999px;
  font-size: 12px;
  padding: 6px 12px;
}

.tab:hover,
.pill:hover {
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

.tab.active,
.pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.count {
  font-size: 12px;
  opacity: 0.7;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  margin-top: 20px;
}

.card {
  background: linear-gradient(160deg, #1c1c38, #181830);
  border: 1px solid var(--color-card-border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 18px;
  transition: 0.2s ease;
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.32);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.card-head {
  align-items: flex-start;
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.avatar {
  align-items: center;
  background: rgba(99, 102, 241, 0.14);
  border-radius: 8px;
  color: var(--color-primary-hover);
  display: flex;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 800;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.card-title {
  min-width: 0;
}

.card h3 {
  color: var(--color-text-primary);
  font-size: 15px;
  line-height: 1.35;
  margin: 0 0 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tagline {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag {
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  white-space: nowrap;
}

.tag-scene {
  background: rgba(139, 92, 246, 0.14);
  color: #a78bfa;
}

.tag-role {
  background: rgba(59, 130, 246, 0.14);
  color: #60a5fa;
}

.tag-official {
  background: rgba(99, 102, 241, 0.14);
  color: var(--color-primary-hover);
}

.tag-community {
  background: rgba(245, 166, 35, 0.14);
  color: var(--color-accent-gold);
}

.tag-skill {
  background: rgba(16, 185, 129, 0.14);
  color: var(--color-success);
}

.card-desc {
  color: var(--color-text-muted);
  display: -webkit-box;
  flex: 1;
  font-size: 13px;
  line-height: 1.6;
  margin: 8px 0 12px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.card-meta,
.card-foot {
  align-items: center;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 12px;
}

.card-foot {
  justify-content: space-between;
  margin-top: auto;
}

.tiers {
  display: flex;
  gap: 4px;
}

.tier {
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
}

.tier-1 {
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
}

.tier-2 {
  background: rgba(99, 102, 241, 0.14);
  color: var(--color-primary-hover);
}

.tier-3 {
  background: rgba(245, 166, 35, 0.14);
  color: var(--color-accent-gold);
}

.btn {
  align-items: center;
  border: 0;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  transition: 0.18s ease;
}

.btn-primary {
  background: var(--color-accent-gold);
  color: #0f172a;
}

.btn-primary:hover {
  box-shadow: 0 0 18px rgba(245, 166, 35, 0.28);
  filter: brightness(1.12);
}

.btn-secondary {
  background: rgba(99, 102, 241, 0.16);
  border: 1px solid rgba(99, 102, 241, 0.24);
  color: var(--color-primary-hover);
}

.btn-ghost {
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.state {
  color: var(--color-text-muted);
  padding: 72px 0;
  text-align: center;
}

.login-page {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: calc(100vh - 64px);
  padding: 24px;
}

.login-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  max-width: 430px;
  padding: 40px;
  width: 100%;
}

.login-logo {
  align-items: center;
  background: rgba(99, 102, 241, 0.16);
  border-radius: 12px;
  color: var(--color-primary-hover);
  display: flex;
  font-size: 24px;
  font-weight: 800;
  height: 48px;
  justify-content: center;
  margin: 0 auto 16px;
  width: 48px;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.pw-wrap {
  position: relative;
}

.pw-wrap .input {
  padding-right: 54px;
  width: 100%;
}

.eye-btn {
  background: transparent;
  border: 0;
  color: var(--color-text-muted);
  padding: 8px;
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
}

.hint,
.error,
.success {
  font-size: 13px;
  margin: 0;
  text-align: center;
}

.hint {
  color: var(--color-text-muted);
}

.error {
  color: var(--color-error);
}

.success {
  color: var(--color-success);
}

.upload-layout {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) 360px;
}

.form-card,
.history-card,
.help-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 12px;
  padding: 24px;
}

.upload-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 20px;
}

.file-card {
  align-items: center;
  background: var(--color-bg-hover);
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  color: var(--color-text-secondary);
  display: flex;
  gap: 12px;
  min-height: 82px;
  padding: 14px 16px;
  position: relative;
}

.file-card.active {
  border-color: rgba(16, 185, 129, 0.45);
}

.file-card strong {
  color: var(--color-text-primary);
  display: block;
  font-size: 13px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-card small {
  color: var(--color-text-muted);
  display: block;
  font-size: 11px;
  margin-top: 2px;
}

.file-card input {
  display: none;
}

.file-icon {
  align-items: center;
  background: rgba(99, 102, 241, 0.14);
  border-radius: 8px;
  color: var(--color-primary-hover);
  display: flex;
  flex-shrink: 0;
  font-weight: 800;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  font-size: 13px;
  font-weight: 600;
  gap: 7px;
}

.textarea {
  min-height: 92px;
  resize: vertical;
}

.span-2 {
  grid-column: span 2;
}

.form-foot {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-top: 20px;
}

.history-card h2,
.help-card h2 {
  color: var(--color-text-primary);
  font-size: 16px;
  margin: 0 0 14px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px;
}

.history-item strong {
  color: var(--color-text-primary);
  display: block;
  font-size: 13px;
}

.history-item span {
  color: var(--color-text-muted);
  display: block;
  font-size: 12px;
  margin-top: 4px;
}

.guide-list {
  color: var(--color-text-secondary);
  margin: 0;
  padding-left: 18px;
}

.guide-list li {
  margin: 8px 0;
}

.locked {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 12px;
  margin: 48px auto;
  max-width: 560px;
  padding: 40px;
  text-align: center;
}

.locked h2 {
  color: var(--color-text-primary);
  margin: 0 0 8px;
}

.modal-backdrop {
  align-items: center;
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.7);
  bottom: 0;
  display: flex;
  justify-content: center;
  left: 0;
  padding: 24px;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 50;
}

.modal {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
  max-height: 86vh;
  max-width: 720px;
  overflow: auto;
  padding: 32px;
  position: relative;
  width: 100%;
}

.modal-close {
  background: var(--color-bg-hover);
  border: 0;
  border-radius: 8px;
  color: var(--color-text-secondary);
  height: 34px;
  position: absolute;
  right: 16px;
  top: 16px;
  width: 34px;
}

.modal h2 {
  color: var(--color-text-primary);
  margin: 0 42px 10px 0;
}

.variant-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin-top: 20px;
}

.variant {
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px;
}

.variant h4 {
  color: var(--color-text-primary);
  margin: 0 0 8px;
}

.variant p {
  color: var(--color-text-muted);
  font-size: 12px;
  margin: 0 0 10px;
}

@media (max-width: 840px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    height: auto;
    padding: 14px 18px;
  }

  .nav {
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .main {
    padding: 24px 16px 64px;
  }

  .page-head,
  .toolbar,
  .form-foot {
    align-items: stretch;
    flex-direction: column;
  }

  .metrics {
    grid-template-columns: repeat(3, 1fr);
    min-width: 0;
  }

  .search {
    min-width: 0;
    width: 100%;
  }

  .upload-layout,
  .upload-cards,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: auto;
  }

  .login-card {
    padding: 28px 22px;
  }
}