:root {
  --color-primary-50: #f0faf6;
  --color-primary-100: #d6f0e6;
  --color-primary-200: #a8dcc8;
  --color-primary-300: #6ec4a7;
  --color-primary-400: #3daa87;
  --color-primary-500: #1f8f6d;
  --color-primary-600: #177a5c;
  --color-primary-700: #10614a;
  --color-neutral-0: #ffffff;
  --color-neutral-50: #f7f8fa;
  --color-neutral-100: #f0f1f3;
  --color-neutral-200: #e4e6eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #b0b7c3;
  --color-neutral-600: #6b7280;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2937;
  --color-neutral-900: #111827;
  --color-success: #1f8f6d;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;
  --font-family-base: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-family-number: "DIN Alternate", "Consolas", monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-primary: 0 4px 12px rgba(31, 143, 109, 0.25);
  --bg: var(--color-neutral-50);
  --panel: var(--color-neutral-0);
  --line: var(--color-neutral-200);
  --text: var(--color-neutral-800);
  --muted: var(--color-neutral-600);
  --accent: var(--color-primary-500);
  --accent-strong: var(--color-primary-600);
  --warn: #b45309;
  --canvas: var(--color-info);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--color-neutral-50);
  color: var(--color-neutral-800);
  font-family: var(--font-family-base);
  font-size: 14px;
  line-height: 1.6;
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
  color: var(--color-primary-700);
}

.shell {
  width: min(1180px, calc(100vw - 48px));
  margin: 0 auto;
  padding: var(--space-6) 0 var(--space-8);
}

.admin-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  border-right: 1px solid var(--color-neutral-200);
  background: var(--color-neutral-0);
  padding: var(--space-6) var(--space-4);
}

.admin-brand {
  color: var(--color-primary-500);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--space-8);
}

.admin-main {
  min-width: 0;
  max-width: 1440px;
  width: 100%;
  padding: var(--space-6);
}

.menu-group {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.menu-title {
  color: var(--color-neutral-400);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
  padding: 0 var(--space-4) var(--space-1);
}

.menu-link {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  color: var(--color-neutral-600);
  font-size: 14px;
  padding: 10px var(--space-4);
}

.menu-link:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-500);
}

.menu-link.active {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  font-weight: 600;
}

.menu-link.active::before {
  position: absolute;
  left: 0;
  top: 9px;
  width: 3px;
  height: 22px;
  border-radius: 0 2px 2px 0;
  background: var(--color-primary-500);
  content: "";
}

.admin-sidebar > .menu-link:last-child {
  margin-top: auto;
  color: var(--color-neutral-400);
}

.admin-sidebar > .menu-link:last-child:hover {
  color: var(--color-danger);
  background: #fff5f5;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  border-bottom: 1px solid var(--color-neutral-200);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
}

.brand {
  color: var(--color-neutral-900);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0;
}

.muted {
  color: var(--color-neutral-600);
  font-size: 13px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.nav a,
button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-0);
  color: var(--color-neutral-700);
  cursor: pointer;
  font: 500 14px/1 var(--font-family-base);
  padding: 0 var(--space-4);
  transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a:hover,
button:hover,
.button:hover {
  border-color: var(--color-primary-400);
  background: var(--color-primary-50);
  color: var(--color-primary-500);
}

button:disabled,
.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

button.primary,
.button.primary {
  border-color: var(--color-primary-500);
  background: var(--color-primary-500);
  box-shadow: var(--shadow-primary);
  color: var(--color-neutral-0);
}

button.primary:hover,
.button.primary:hover {
  border-color: var(--color-primary-600);
  background: var(--color-primary-600);
  box-shadow: 0 6px 16px rgba(31, 143, 109, 0.35);
  color: var(--color-neutral-0);
  transform: translateY(-1px);
}

button.primary:active,
.button.primary:active {
  background: var(--color-primary-700);
  box-shadow: none;
  transform: translateY(0);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

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

.panel {
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  background: var(--color-neutral-0);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
}

.panel h2,
.panel h3 {
  color: var(--color-neutral-900);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 var(--space-4);
}

.stat {
  color: var(--color-neutral-900);
  font-family: var(--font-family-number);
  font-size: 32px;
  font-weight: 700;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.info-value {
  color: var(--color-neutral-900);
  font-size: 18px;
  font-weight: 700;
  margin-top: var(--space-1);
}

.metric-card {
  display: grid;
  gap: var(--space-2);
  min-height: 104px;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-0);
  box-shadow: var(--shadow-sm);
  color: var(--color-neutral-800);
  padding: var(--space-5);
}

.metric-card:hover {
  border-color: var(--color-primary-200);
  background: var(--color-primary-50);
  color: var(--color-neutral-900);
}

.metric-card strong {
  color: var(--color-neutral-900);
  font-family: var(--font-family-number);
  font-size: 32px;
  line-height: 1;
}

.metric-card span {
  color: var(--color-neutral-600);
  font-size: 13px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-3);
}

.calendar-carousel {
  overflow: hidden;
}

.calendar-slide {
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1), opacity 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.calendar-slide.slide-out-left,
.calendar-slide.slide-enter-left {
  opacity: 0;
  transform: translateX(-36px);
}

.calendar-slide.slide-out-right,
.calendar-slide.slide-enter-right {
  opacity: 0;
  transform: translateX(36px);
}

.calendar-slide:not(.slide-enter-left):not(.slide-enter-right):not(.slide-out-left):not(.slide-out-right) {
  opacity: 1;
  transform: translateX(0);
}

.day-card {
  display: grid;
  min-height: 96px;
  gap: var(--space-1);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-0);
  color: var(--color-neutral-800);
  padding: var(--space-3);
}

.day-card:hover {
  border-color: var(--color-primary-200);
  background: var(--color-primary-50);
}

.day-card.has-open {
  border-color: #f6d38b;
  background: #fff9eb;
}

.day-date {
  color: var(--color-neutral-900);
  font-weight: 700;
}

.day-total,
.day-status {
  color: var(--color-neutral-600);
  font-size: 13px;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-1);
  flex-wrap: wrap;
  border-top: 1px solid var(--color-neutral-100);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-sm, 4px);
  font-size: 13px;
  color: var(--color-neutral-700);
  background: var(--color-neutral-0);
  text-decoration: none;
  transition: all 0.15s;
  cursor: pointer;
}

a.page-btn:hover {
  background: var(--color-neutral-100);
  border-color: var(--color-primary-400);
  color: var(--color-primary-600);
}

.page-btn.page-current {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: #fff;
  font-weight: 600;
}

.page-btn.page-disabled {
  color: var(--color-neutral-300);
  cursor: default;
}

.page-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  font-size: 13px;
  color: var(--color-neutral-400);
  letter-spacing: 1px;
  user-select: none;
}

.pager-jump {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-4);
}

.pager-jump input {
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-sm, 4px);
  font-size: 13px;
  text-align: center;
  -moz-appearance: textfield;
}

.pager-jump input::-webkit-outer-spin-button,
.pager-jump input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.pager-jump button {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-sm, 4px);
  background: var(--color-neutral-0);
  cursor: pointer;
  font-size: 13px;
  transition: background 0.15s;
}

.pager-jump button:hover {
  background: var(--color-neutral-100);
}

.msg-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(17, 24, 39, 0.4);
  backdrop-filter: blur(3px);
  animation: overlay-in 0.2s ease;
}

@keyframes overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.message {
  width: min(400px, calc(100vw - 48px));
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  background: var(--color-neutral-0);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  color: var(--color-neutral-800);
  text-align: center;
  margin: 0;
  padding: 32px 28px 24px;
  animation: msg-pop-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes msg-pop-in {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.message-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-50);
  color: var(--color-primary-500);
  font-size: 22px;
  margin: 0 auto 16px;
}

.message-text {
  color: var(--color-neutral-700);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.message-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
  min-height: 36px;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--color-primary-500);
  color: #fff;
  font: 500 14px/1 var(--font-family-base);
  cursor: pointer;
  transition: background 0.15s;
}

.message-btn:hover {
  background: var(--color-primary-600);
}

/* Confirm dialog */
.confirm-box {
  width: min(400px, calc(100vw - 48px));
  border-radius: var(--radius-lg);
  background: var(--color-neutral-0);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  text-align: center;
  padding: 32px 28px 24px;
  animation: msg-pop-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.confirm-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff5f5;
  color: var(--color-danger);
  font-size: 22px;
  margin: 0 auto 16px;
}

.confirm-text {
  color: var(--color-neutral-700);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.confirm-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.confirm-cancel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  min-height: 36px;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-0);
  color: var(--color-neutral-600);
  font: 500 14px/1 var(--font-family-base);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.confirm-cancel:hover {
  border-color: var(--color-neutral-300);
  background: var(--color-neutral-50);
}

.confirm-ok {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  min-height: 36px;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--color-danger);
  color: #fff;
  font: 500 14px/1 var(--font-family-base);
  cursor: pointer;
  transition: background 0.15s;
}

.confirm-ok:hover {
  background: #dc2626;
}

/* Sync progress dialog */
.sync-progress {
  width: min(460px, calc(100vw - 48px));
  border-radius: var(--radius-lg);
  background: var(--color-neutral-0);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  text-align: center;
  padding: 32px 28px 24px;
  animation: msg-pop-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sync-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-neutral-200);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.sync-step {
  color: var(--color-neutral-800);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.sync-message {
  color: var(--color-neutral-600);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 16px;
  min-height: 20px;
  word-break: break-all;
}

.progress-bar-track {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-neutral-100);
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-500));
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-percent {
  color: var(--color-neutral-600);
  font-family: var(--font-family-number);
  font-size: 13px;
  margin-bottom: 16px;
}

.sync-result {
  color: var(--color-neutral-700);
  font-size: 14px;
  line-height: 1.6;
  text-align: left;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  margin-bottom: 16px;
  padding: 12px 16px;
  max-height: 200px;
  overflow-y: auto;
}

.sync-error {
  color: var(--color-danger);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.sync-icon-done {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-50);
  color: var(--color-primary-500);
  font-size: 22px;
  margin: 0 auto 16px;
}

.sync-icon-error {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff5f5;
  color: var(--color-danger);
  font-size: 22px;
  margin: 0 auto 16px;
}

form {
  display: grid;
  gap: var(--space-3);
}

label {
  display: grid;
  gap: 6px;
  color: var(--color-neutral-600);
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-sm);
  background: var(--color-neutral-50);
  color: var(--color-neutral-800);
  font: 400 14px/1.4 var(--font-family-base);
  padding: 0 var(--space-3);
  transition: border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-neutral-400);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary-400);
  background: var(--color-neutral-0);
  box-shadow: 0 0 0 3px rgba(31, 143, 109, 0.12);
  outline: none;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--color-neutral-100);
  padding: 12px var(--space-4);
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--color-neutral-50);
  color: var(--color-neutral-600);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

td {
  color: var(--color-neutral-800);
  font-size: 14px;
  line-height: 1.4;
}

tbody tr {
  transition: background 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

tbody tr:hover {
  background: var(--color-primary-50);
}

tbody tr:last-child td {
  border-bottom: 0;
}

td:first-child,
th:first-child {
  font-family: var(--font-family-number);
}

.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-full);
  background: #eff6ff;
  color: var(--color-info);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  padding: 4px 10px;
}

.tag.canvas {
  border-color: #bfdbfe;
  background: #eff6ff;
  color: var(--color-info);
}

.tag.done {
  border-color: var(--color-primary-200);
  background: #e6f7f2;
  color: var(--color-primary-500);
}

.tag.todo {
  border-color: #fde68a;
  background: #fffbeb;
  color: #b45309;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.stack {
  display: grid;
  gap: var(--space-4);
}

.inline {
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.inline > * {
  min-width: 180px;
}

.danger-form {
  margin-top: var(--space-3);
}

.danger-form button {
  border-color: #fecaca;
  background: #fff5f5;
  color: #b91c1c;
}

.catalog-card {
  display: grid;
  gap: var(--space-4);
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.record-total {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  min-height: 36px;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-0);
  color: var(--color-neutral-600);
  font-size: 13px;
  padding: 8px 12px;
}

.record-total strong {
  color: var(--color-neutral-900);
  font-family: var(--font-family-number);
  font-size: 18px;
  line-height: 1;
}

.catalog-search {
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  gap: var(--space-3);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  background: var(--color-neutral-0);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4) var(--space-5);
}

.catalog-search label {
  min-width: min(280px, 100%);
}

.toolbar-button {
  justify-self: start;
}

.tree-table {
  overflow: hidden;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  background: var(--color-neutral-0);
  box-shadow: var(--shadow-sm);
}

.tree-table th {
  border-bottom: 2px solid var(--color-neutral-200);
}

.tree-table td {
  min-height: 48px;
}

.tree-level-0 td {
  color: var(--color-neutral-900);
  font-weight: 600;
}

.tree-level-1 td,
.tree-level-2 td {
  color: var(--color-neutral-700);
}

.tree-indent {
  display: inline-block;
  width: 24px;
}

.tree-toggle {
  display: inline-flex;
  width: 22px;
  min-height: 22px;
  height: 22px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  box-shadow: none;
  color: var(--color-neutral-400);
  font-size: 13px;
  line-height: 1;
  margin-right: var(--space-1);
  padding: 0;
}

.tree-toggle:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-500);
  transform: none;
}

.table-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  white-space: nowrap;
}

.link-button {
  min-height: 24px;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: var(--color-primary-500);
  font-size: 13px;
  font-weight: 500;
  padding: 0 var(--space-1);
}

.link-button:hover {
  background: transparent;
  border-color: transparent;
  color: var(--color-primary-600);
  text-decoration: underline;
  transform: none;
}

.danger-link {
  color: var(--color-danger);
}

.danger-link:hover {
  color: #dc2626;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.36);
  padding: var(--space-4);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(520px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  background: var(--color-neutral-0);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
}

.modal-wide {
  width: min(820px, calc(100vw - 32px));
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-neutral-100);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
}

.modal-head h2 {
  color: var(--color-neutral-900);
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.icon-button {
  width: 32px;
  min-height: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  padding: 0;
  font-size: 18px;
}

.subject-association-box {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.association-list {
  display: grid;
  gap: var(--space-2);
}

.association-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  padding: var(--space-2) var(--space-3);
}

.checkbox-list,
.student-list {
  display: grid;
  gap: var(--space-2);
  max-height: 360px;
  overflow: auto;
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  padding: var(--space-2);
}

.checkbox-row,
.student-check-row {
  align-items: start;
  border-radius: var(--radius-md);
  color: var(--color-neutral-800);
  padding: var(--space-2);
}

.checkbox-row {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: var(--space-2);
}

.student-check-row {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) minmax(120px, 180px);
  gap: var(--space-3);
}

.checkbox-row:hover,
.student-check-row:hover,
.selected-row {
  background: var(--color-primary-50);
}

.checkbox-row input,
.student-check-row input {
  width: auto;
  min-height: auto;
  margin-top: 3px;
}

.checkbox-row span,
.student-check-row span {
  display: grid;
  gap: 2px;
}

.checkbox-row small,
.student-check-row small {
  color: var(--color-neutral-600);
  font-size: 12px;
}

.empty-state {
  border: 1px dashed var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  color: var(--color-neutral-600);
  margin-top: var(--space-4);
  padding: var(--space-5);
  text-align: center;
}

.modal-pager {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.section-gap {
  margin-top: var(--space-4);
}

.section-gap-bottom {
  margin-bottom: var(--space-4);
}

.col-index {
  width: 80px;
}

.col-date {
  width: 120px;
}

.col-small {
  width: 160px;
}

.col-actions {
  width: 220px;
}

.col-actions-wide {
  width: 220px;
}

.tree-list {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.tree-node {
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  background: var(--color-neutral-0);
  box-shadow: var(--shadow-sm);
}

.tree-row,
.tree-child {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(320px, 2fr);
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4);
}

.tree-row {
  border-bottom: 1px solid var(--color-neutral-100);
}

.tree-children {
  display: grid;
}

.tree-child {
  margin-left: var(--space-6);
  border-left: 3px solid var(--color-primary-100);
}

.tree-actions {
  display: grid;
  gap: var(--space-2);
}

@media (max-width: 1024px) {
  .grid,
  .grid.two,
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calendar-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .shell {
    width: calc(100vw - 32px);
    padding: var(--space-4) 0 var(--space-6);
  }

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

  .admin-sidebar {
    position: static;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--color-neutral-200);
  }

  .admin-sidebar > .menu-link:last-child {
    margin-top: var(--space-3);
  }

  .admin-main {
    padding: var(--space-4);
  }

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

  .grid,
  .grid.two,
  .info-grid,
  .calendar-grid {
    grid-template-columns: 1fr;
  }

  .catalog-search,
  .catalog-toolbar,
  .inline {
    display: grid;
  }

  .catalog-search label,
  .inline > * {
    min-width: 0;
  }

  .tree-row,
  .tree-child,
  .student-check-row {
    grid-template-columns: 1fr;
  }

  .tree-child {
    margin-left: 0;
  }

  .table-actions {
    white-space: normal;
  }
}

/* giwas.html v6 visual alignment */
body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body.auth-body {
  background: linear-gradient(135deg, #f0faf6 0%, #f7f8fa 50%, #eff6ff 100%);
}

.auth-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  width: 420px;
  max-width: 92vw;
  border: 1px solid #e4e6eb;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 40px rgba(0, 0, 0, .10), 0 2px 8px rgba(0, 0, 0, .06);
  padding: 40px;
}

.auth-card.wide {
  width: 860px;
}

.auth-logo {
  color: #111827;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 4px;
}

.auth-logo span {
  color: #1f8f6d;
}

.auth-subtitle {
  color: #9ca3af;
  font-size: 13px;
  margin: 0 0 24px;
}

.admin-shell {
  display: flex;
}

.admin-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: 220px;
  min-height: 100vh;
  border-right: 1px solid #e4e6eb;
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 0;
}

.admin-brand {
  border-bottom: 1px solid #f0f1f3;
  color: #111827;
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 16px;
  padding: 20px 20px 16px;
}

.admin-main {
  flex: 1;
  max-width: none;
  min-height: 100vh;
  margin-left: 220px;
  padding: 0;
}

.menu-group {
  gap: 1px;
  margin-bottom: 0;
}

.menu-title {
  color: #9ca3af;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  padding: 16px 20px 6px;
  text-transform: uppercase;
}

.menu-link {
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid transparent;
  border-radius: 8px;
  color: #6b7280;
  font-weight: 400;
  margin: 1px 8px;
  padding: 9px 14px 9px 16px;
}

.menu-link.active {
  border-left-color: #1f8f6d;
  background: #f0faf6;
  color: #177a5c;
  font-weight: 600;
}

.menu-link.active::before {
  content: none;
}

.admin-sidebar > .menu-link:last-child {
  border-top: 1px solid #f0f1f3;
  border-radius: 0;
  margin: auto 0 0;
  padding: 14px 20px 20px;
}

.topbar {
  align-items: center;
  min-height: 56px;
  border-bottom: 1px solid #e4e6eb;
  background: #fff;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.admin-main > .topbar {
  align-items: flex-start;
  border-bottom: 0;
  background: transparent;
  box-shadow: none;
  margin: 0;
  min-height: auto;
  padding: 28px 32px 0;
  position: static;
}

.admin-main > .msg-overlay {
  margin: 0;
}

.brand {
  color: #111827;
  font-size: 22px;
  font-weight: 700;
}

.muted {
  color: #9ca3af;
}

.admin-main .topbar + .catalog-card,
.admin-main .topbar + .panel,
.admin-main > .catalog-card,
.admin-main > .panel,
.admin-main > .grid,
.admin-main > .stack {
  margin: 20px 32px 40px;
}

.catalog-card {
  gap: 16px;
}

.panel,
.metric-card,
.catalog-search,
.tree-table {
  border-color: #e4e6eb;
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.panel {
  padding: 20px;
}

.panel h2,
.panel h3 {
  color: #1f2937;
  font-size: 14px;
}

.catalog-search {
  align-items: flex-end;
  padding: 16px 20px;
}

input,
select,
textarea {
  min-height: 36px;
  border-color: #e4e6eb;
  border-radius: 8px;
  background: #f7f8fa;
  color: #1f2937;
}

input::placeholder,
textarea::placeholder {
  color: #d1d5db;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #3daa87;
  box-shadow: 0 0 0 3px rgba(31, 143, 109, .10);
}

.nav a,
button,
.button {
  border-radius: 8px;
  font-weight: 500;
  min-height: 36px;
}

button.primary,
.button.primary {
  border-color: #1f8f6d;
  background: #1f8f6d;
  box-shadow: 0 4px 14px rgba(31, 143, 109, .30);
}

button.primary:hover,
.button.primary:hover {
  border-color: #177a5c;
  background: #177a5c;
  box-shadow: 0 6px 18px rgba(31, 143, 109, .38);
}

.tree-table {
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}

.tree-table th {
  border-bottom: 1px solid #e4e6eb;
  background: #f7f8fa;
  color: #9ca3af;
  font-size: 12px;
  padding: 11px 16px;
}

.tree-table td {
  border-bottom: 1px solid #f0f1f3;
  color: #1f2937;
  padding: 12px 16px;
}

tbody tr:hover {
  background: #f0faf6;
}

.tag {
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
}

.tag.done {
  border-color: #a8dcc8;
  background: #e6f7f2;
  color: #177a5c;
}

.tag.canvas {
  border-color: #fbcfe8;
  background: #fce7f3;
  color: #db2777;
}

.tree-level-2 .tag.canvas {
  border-color: #ddd6fe;
  background: #f5f3ff;
  color: #8b5cf6;
}

.tag.todo {
  border-color: #fef08a;
  background: #fef9c3;
  color: #ca8a04;
}

.subject-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid #a8dcc8;
  border-radius: 6px;
  background: #f0faf6;
  color: #1f8f6d;
  font-size: 12px;
  font-weight: 500;
  margin: 2px;
  padding: 2px 8px;
}

.link-button {
  color: #1f8f6d;
}

.danger-link {
  color: #ef4444;
}

.modal-backdrop {
  z-index: 100;
  background: rgba(17, 24, 39, .45);
  backdrop-filter: blur(3px);
}

.modal {
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .18);
}

.day-card {
  min-height: 72px;
  border-radius: 10px;
}

.day-card:hover {
  border-color: #3daa87;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.day-card.has-open {
  border-color: #6ec4a7;
  background: #f0faf6;
}

.info-grid {
  border: 1px solid #a8dcc8;
  border-radius: 12px;
  background: linear-gradient(135deg, #f0faf6 0%, #fff 60%);
  padding: 20px 24px;
}

@media (max-width: 768px) {
  .admin-sidebar {
    position: static;
    width: 100%;
    min-height: auto;
  }

  .admin-main {
    margin-left: 0;
  }

  .admin-main .topbar + .catalog-card,
  .admin-main .topbar + .panel,
  .admin-main > .catalog-card,
  .admin-main > .panel,
  .admin-main > .grid,
  .admin-main > .stack {
    margin: 16px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    height: auto;
    padding: 16px;
  }
}