:root {
  --bg: #f3f5f8;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --border: #e5e7eb;
  --primary: #1d4ed8;
  --primary-soft: #dbeafe;
  --ok: #166534;
  --ok-bg: #dcfce7;
  --warn: #92400e;
  --warn-bg: #fef3c7;
  --bad: #991b1b;
  --bad-bg: #fee2e2;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #eef2f7 0%, #f8fafc 100%);
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 22px;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  border: 0;
  background: transparent;
  color: #cbd5e1;
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(148, 163, 184, 0.2);
  color: #fff;
}

.main-wrap {
  flex: 1;
  min-width: 0;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 4;
}

.search-wrap {
  width: min(520px, 100%);
}

.search-input,
input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.content {
  padding: 20px;
}

.page-title {
  margin: 0 0 16px;
  font-size: 22px;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.cards-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 14px;
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  margin-top: 6px;
}

.metric-label {
  font-size: 13px;
  color: var(--muted);
}

.table-wrap {
  overflow: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

.badge {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.on-track {
  color: var(--ok);
  background: var(--ok-bg);
}

.badge.at-risk {
  color: var(--warn);
  background: var(--warn-bg);
}

.badge.behind {
  color: var(--bad);
  background: var(--bad-bg);
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.row.wrap {
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 14px;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(0.98);
}

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

.btn.ghost {
  background: transparent;
}

.btn.small {
  font-size: 12px;
  padding: 6px 8px;
}

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

.project-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.meta {
  font-size: 12px;
  color: var(--muted);
}

.kv {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 6px;
  font-size: 14px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.tab {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
}

.tab.active {
  background: var(--primary-soft);
  color: #1e40af;
  border-color: #bfdbfe;
}

.split {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}

.empty {
  text-align: center;
  border: 1px dashed #cbd5e1;
  background: #f8fafc;
  border-radius: 12px;
  padding: 24px;
  color: var(--muted);
}

.skeleton {
  height: 130px;
  border-radius: 12px;
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.toast-container {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 30;
}

.toast {
  background: #0f172a;
  color: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.45);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 20;
  padding: 16px;
}

.modal {
  width: min(740px, 100%);
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 16px;
  max-height: 90vh;
  overflow: auto;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

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

.action-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 8px;
}

.login-wrap {
  max-width: 470px;
  margin: 40px auto;
}

.notice {
  font-size: 12px;
  color: var(--muted);
}

.hidden {
  display: none !important;
}

@media (max-width: 1150px) {
  .grid.cards-5,
  .grid.cards-4,
  .projects-grid,
  .split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .sidebar {
    width: 76px;
    padding: 14px 8px;
  }

  .brand {
    font-size: 12px;
  }

  .nav-item {
    font-size: 12px;
    padding: 8px;
  }

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

@media (max-width: 680px) {
  .sidebar {
    display: none;
  }

  .content {
    padding: 14px;
  }

  .grid.cards-5,
  .grid.cards-4,
  .projects-grid,
  .split,
  .form-grid {
    grid-template-columns: 1fr;
  }
}