:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-soft: #f9fafb;
  --text: #17202a;
  --muted: #657080;
  --line: #dfe4ea;
  --line-strong: #c9d1dc;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --accent-soft: #d9f3ee;
  --danger: #b42318;
  --danger-soft: #fde8e4;
  --warning: #946200;
  --warning-soft: #fff3cd;
  --ink: #233043;
  --shadow: 0 18px 42px rgba(31, 42, 55, 0.1);
  font-family: Inter, "Segoe UI", Arial, "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

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

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  background: #eef2f4;
}

.login-visual {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 56px;
  background: #0f2f35;
  color: #f8fafc;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #e7f8f3;
  color: #0f766e;
  font-size: 24px;
  font-weight: 800;
}

.login-title {
  max-width: 620px;
}

.login-title h1 {
  margin: 0 0 18px;
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: 0;
}

.login-title p {
  margin: 0;
  max-width: 520px;
  color: #c9d6d7;
  font-size: 16px;
  line-height: 1.7;
}

.login-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 620px;
}

.login-stat {
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.login-stat strong {
  display: block;
  font-size: 24px;
}

.login-stat span {
  color: #b8c8ca;
}

.login-panel {
  display: flex;
  align-items: center;
  padding: 32px;
  background: var(--panel);
}

.login-form {
  width: 100%;
}

.login-form h2 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: 0;
}

.login-form > p {
  margin: 0 0 28px;
  color: var(--muted);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
}

.sidebar {
  background: #ffffff;
  border-right: 1px solid var(--line);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--ink);
}

.sidebar-brand .brand-mark {
  width: 38px;
  height: 38px;
  font-size: 20px;
}

.nav-list {
  display: grid;
  gap: 8px;
}

.nav-button {
  width: 100%;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.nav-button.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.main {
  min-width: 0;
  padding: 26px 32px 38px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

.topbar h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

.topbar p {
  margin: 8px 0 0;
  color: var(--muted);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.field label {
  color: var(--ink);
  font-weight: 700;
}

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

.input,
.select,
.textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  min-height: 40px;
  padding: 9px 11px;
  outline: none;
}

.textarea {
  min-height: 96px;
  resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.search-input {
  width: min(360px, 48vw);
}

.button {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}

.button:hover {
  background: var(--accent-strong);
}

.button.secondary {
  border-color: var(--line-strong);
  background: #fff;
  color: var(--ink);
}

.button.secondary:hover {
  background: var(--panel-soft);
}

.button.danger {
  background: var(--danger);
}

.button.icon {
  width: 38px;
  min-width: 38px;
  padding: 0;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  grid-column: span 3;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 18px;
}

.stat-card span {
  color: var(--muted);
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.data-table th,
.data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  background: var(--panel-soft);
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.table-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.skill-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.skill-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 16px;
  display: grid;
  gap: 12px;
  min-height: 214px;
}

.skill-card-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.emoji-box {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #f2f5f7;
  font-size: 22px;
}

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

.skill-title h3 {
  margin: 0 0 4px;
  font-size: 17px;
  overflow-wrap: anywhere;
}

.skill-title code {
  color: var(--muted);
  font-size: 12px;
}

.skill-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

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

.chip {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 9px;
  background: #edf2f5;
  color: #334155;
  font-size: 12px;
  font-weight: 700;
}

.chip.accent {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.chip.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.card-actions {
  margin-top: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.empty {
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  padding: 34px;
  text-align: center;
  color: var(--muted);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  justify-content: flex-end;
  background: rgba(15, 23, 42, 0.34);
}

.modal {
  width: min(720px, 100%);
  height: 100%;
  overflow: auto;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 22px;
}

.modal.small {
  width: min(460px, 100%);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.modal-head h2 {
  margin: 0;
  font-size: 22px;
}

.modal-head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 14px;
}

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

.version-list {
  display: grid;
  gap: 10px;
  margin: 8px 0 16px;
}

.version-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 8px;
  background: var(--panel-soft);
}

.version-row code {
  overflow-wrap: anywhere;
}

.notice {
  min-height: 38px;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 14px;
  display: none;
}

.notice.show {
  display: block;
}

.notice.error {
  background: var(--danger-soft);
  color: var(--danger);
}

.notice.success {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

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

.hide {
  display: none !important;
}

@media (max-width: 920px) {
  .login-shell {
    grid-template-columns: 1fr;
  }

  .login-visual {
    min-height: 320px;
    padding: 32px;
  }

  .login-panel {
    padding: 28px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
  }

  .nav-list {
    display: flex;
  }

  .sidebar-footer {
    margin-top: 0;
    margin-left: auto;
  }

  .main {
    padding: 22px 18px 30px;
  }

  .stat-card {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .login-title h1 {
    font-size: 34px;
  }

  .login-stats,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .span-2 {
    grid-column: span 1;
  }

  .topbar,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .toolbar-left,
  .toolbar-right {
    width: 100%;
  }

  .search-input {
    width: 100%;
  }

  .stat-card {
    grid-column: span 12;
  }
}