:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #111827;
  --muted: #5b6475;
  --line: #d8deea;
  --primary: #14532d;
  --primary-2: #16a34a;
  --accent: #2563eb;
  --warning: #b45309;
  --danger: #b91c1c;
  --soft-green: #e8f8ef;
  --soft-blue: #eaf1ff;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 34%),
    linear-gradient(315deg, rgba(34, 197, 94, 0.12), transparent 36%),
    var(--bg);
  font-family: "Inter", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

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

button,
a,
select {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  background: #0f172a;
  color: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #22c55e;
  color: #052e16;
}

svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand strong {
  display: block;
  font-size: 16px;
  line-height: 1.3;
}

.brand small {
  color: #94a3b8;
  font-size: 12px;
}

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

.nav-link {
  color: #cbd5e1;
  text-decoration: none;
  min-height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  transition: background-color 180ms ease, color 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.sidebar-card {
  margin-top: auto;
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  color: #dbeafe;
  background: rgba(15, 23, 42, 0.74);
}

.sidebar-card p {
  margin: 4px 0 0;
  color: #94a3b8;
  font-size: 13px;
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.15);
}

.main {
  padding: 28px;
  display: grid;
  gap: 20px;
  align-content: start;
}

.topbar,
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 28px;
}

h3 {
  margin-bottom: 18px;
  font-size: 18px;
}

.primary-button,
.secondary-button,
.icon-button,
.text-button {
  border: 0;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.primary-button {
  color: #ffffff;
  background: var(--primary);
  padding: 0 16px;
  box-shadow: 0 12px 24px rgba(20, 83, 45, 0.18);
}

.primary-button:hover {
  background: #166534;
  box-shadow: 0 14px 28px rgba(20, 83, 45, 0.24);
}

.secondary-button,
.text-button {
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0 14px;
}

.secondary-button:hover,
.text-button:hover {
  border-color: #9aa7bc;
}

.icon-button {
  width: 44px;
  color: #ffffff;
  background: var(--accent);
  flex: 0 0 auto;
}

.full {
  width: 100%;
}

.search-panel,
.admin-panel,
.form-panel {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(216, 222, 234, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.search-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 14px;
  padding: 14px;
}

.search-box {
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.search-box svg {
  color: var(--accent);
}

.search-box input,
.field input,
.field select,
.field textarea,
.inline-form input,
.select-wrap select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #ffffff;
  outline: none;
}

.search-box input {
  min-width: 0;
  border: 0;
  min-height: 50px;
}

.search-box:focus-within,
.field input:focus,
.field select:focus,
.field textarea:focus,
.inline-form input:focus,
.select-wrap select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.select-wrap {
  display: grid;
  gap: 5px;
}

.select-wrap label,
.field label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.select-wrap select {
  height: 36px;
  padding: 0 10px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  min-height: 88px;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

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

.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #ffffff;
  border-radius: 999px;
  min-height: 36px;
  padding: 0 13px;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.chip:hover,
.chip.active {
  background: var(--soft-green);
  border-color: #86efac;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.resource-card {
  min-height: 250px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.resource-card:hover {
  border-color: #94a3b8;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.1);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.resource-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
}

.category-badge {
  flex: 0 0 auto;
  align-self: flex-start;
  color: var(--primary);
  background: var(--soft-green);
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
}

.resource-desc {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.meta {
  color: #334155;
  background: var(--soft-blue);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 12px;
  font-weight: 700;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.delete-button {
  color: var(--danger);
  background: #fff1f2;
  border: 1px solid #fecdd3;
}

.admin-panel {
  padding: 20px;
}

.is-hidden {
  display: none !important;
}

.login-form {
  max-width: 460px;
  margin-top: 18px;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 16px;
  margin-top: 18px;
}

.form-panel {
  padding: 18px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 13px;
}

.field input,
.field select {
  height: 44px;
  padding: 0 12px;
}

.field textarea {
  min-height: 90px;
  resize: vertical;
  padding: 11px 12px;
}

.inline-form {
  display: flex;
  gap: 10px;
}

.inline-form input {
  min-height: 44px;
  padding: 0 12px;
}

.admin-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.subheading {
  margin: 24px 0 0;
}

.admin-row {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #ffffff;
}

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

.empty-state {
  grid-column: 1 / -1;
  min-height: 180px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed #9aa7bc;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  padding: 24px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: min(360px, calc(100vw - 44px));
  padding: 12px 14px;
  color: #ffffff;
  background: #0f172a;
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  html {
    scroll-behavior: auto;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .nav-stack {
    grid-template-columns: repeat(2, auto);
  }

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

  .resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .main,
  .sidebar {
    padding: 18px;
  }

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

  .topbar .primary-button,
  .section-heading .secondary-button {
    width: 100%;
  }

  .search-panel,
  .metric-grid,
  .admin-layout,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .sidebar-card {
    width: 100%;
    margin-left: 0;
  }

  .nav-stack {
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .card-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  .nav-stack {
    grid-template-columns: 1fr;
  }

  .brand {
    align-items: flex-start;
  }

  h1 {
    font-size: 30px;
  }
}