@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg: #f4f5f7;
  --sidebar: #ffffff;
  --surface: #edeef2;
  --card: #ffffff;
  --border: rgba(15, 15, 30, 0.1);
  --text: #14151a;
  --text-secondary: #64748b;
  --accent: #00a87c;
  --accent-dark: #00875f;
  --danger: #dc2626;
  --warning: #d97706;
  --success: #00a87c;
  --info: #0284c7;
  --mono: 'JetBrains Mono', monospace;
  --font: 'Inter', sans-serif;
  --radius: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
}

a { color: inherit; }

.hidden { display: none !important; }

.mono { font-family: var(--mono); }

/* ---- layout shell ------------------------------------------------------ */

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

.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.admin-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  gap: 16px;
  flex-wrap: wrap;
}

.admin-topbar h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 700;
}

.admin-topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.admin-content {
  padding: 24px;
  flex: 1;
}

/* ---- sidebar nav --------------------------------------------------------- */

.admin-sidebar-header {
  padding: 20px 20px 16px 20px;
  border-bottom: 1px solid var(--border);
}

.admin-logo {
  font-size: 18px;
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.02em;
}
.admin-logo .lg-s { color: #00c896; }
.admin-logo .lg-c { color: #ff4444; }

.admin-logo-sub {
  font-size: 10px;
  color: var(--text-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 4px;
}

.admin-nav-group {
  padding: 10px 12px 2px 12px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-weight: 700;
  margin-top: 10px;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-left: 2px solid transparent;
}

.admin-nav-item:hover {
  background: rgba(15, 15, 30, 0.04);
  color: var(--text);
}

.admin-nav-item.active {
  border-left-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 168, 124, 0.08);
}

.admin-nav-item .badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
}

.admin-sidebar-footer {
  margin-top: auto;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}

.admin-sidebar-footer .admin-username {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 2px;
}

.admin-logout-btn {
  margin-top: 8px;
  width: 100%;
  padding: 7px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
}
.admin-logout-btn:hover { color: var(--danger); border-color: var(--danger); }

/* ---- status dot ---------------------------------------------------------- */

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}
.status-dot.warn { background: var(--warning); box-shadow: 0 0 8px var(--warning); }
.status-dot.error { background: var(--danger); box-shadow: 0 0 8px var(--danger); }

/* ---- generic buttons ------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #06251d; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #2b0505; }
.btn-outline { background: transparent; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ---- panels / cards -------------------------------------------------------- */

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 1px 3px rgba(15, 15, 30, 0.06);
}

.panel h3 {
  margin: 0 0 14px 0;
  font-size: 14px;
  font-weight: 700;
}

.text-secondary { color: var(--text-secondary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }

/* ---- form fields ------------------------------------------------------------ */

.field { margin-bottom: 14px; }
.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 9px 11px;
  font-family: var(--font);
  font-size: 13px;
}
.field input[type="color"] { padding: 3px; height: 38px; }
.field textarea { resize: vertical; min-height: 80px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }

/* ---- toast ------------------------------------------------------------------ */

#adminToast {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.admin-toast-item {
  padding: 10px 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--info);
  font-size: 13px;
  min-width: 220px;
  animation: adminToastIn 0.2s ease;
}
.admin-toast-item.danger { border-left-color: var(--danger); }
.admin-toast-item.warning { border-left-color: var(--warning); }
.admin-toast-item.success { border-left-color: var(--success); }
@keyframes adminToastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ---- modal ------------------------------------------------------------------ */

.admin-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
}
.admin-modal {
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(15, 15, 30, 0.18);
  border-radius: 12px;
  padding: 22px;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
}
.admin-modal h3 { margin-top: 0; }
.admin-modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

/* ---- tabs ---------------------------------------------------------------- */

.admin-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.admin-tab {
  padding: 10px 16px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
}
.admin-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.admin-tab-panel { display: none; }
.admin-tab-panel.active { display: block; }

/* ---- kpi grid --------------------------------------------------------------- */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: 0 1px 3px rgba(15, 15, 30, 0.06);
}
.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 700;
  margin-bottom: 6px;
}
.kpi-value {
  font-size: 28px;
  font-weight: 800;
  font-family: var(--mono);
  line-height: 1.1;
}
.kpi-sub { font-size: 12px; color: var(--text-secondary); margin-top: 6px; }
.kpi-delta { font-size: 12px; font-weight: 700; margin-top: 4px; }
.kpi-delta.up { color: var(--success); }
.kpi-delta.down { color: var(--danger); }

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .admin-sidebar { position: fixed; z-index: 100; transform: translateX(-100%); transition: transform 0.2s; }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-hamburger { display: inline-flex !important; }
}
.admin-hamburger {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
}