:root {
  --panel-ink: #0b1f1a;
  --panel-forest: #0d5c4d;
  --panel-leaf: #1faa7a;
  --panel-mint: #e7f7f1;
  --panel-sand: #f4f7f5;
  --panel-cream: #fbfcfb;
  --panel-line: rgba(11, 31, 26, 0.1);
  --panel-muted: #5a6f68;
  --panel-white: #ffffff;
  --panel-radius: 14px;
  --panel-shadow: 0 12px 36px rgba(13, 92, 77, 0.1);
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
}

html {
  font-size: 15px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html { font-size: 16px; }
}

.panel-body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--panel-ink);
  background:
    radial-gradient(900px 420px at 8% -10%, rgba(31, 170, 122, 0.12), transparent 55%),
    radial-gradient(700px 360px at 100% 0%, rgba(13, 92, 77, 0.08), transparent 50%),
    var(--panel-cream);
  line-height: 1.55;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, .panel-brand-text, .panel-page-title {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

a { color: var(--panel-forest); text-decoration: none; }
a:hover { color: var(--panel-leaf); }

.panel-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(251, 252, 251, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-line);
  margin-bottom: 1.5rem;
}

.panel-nav { padding: 0.7rem 0; }

.panel-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  color: var(--panel-ink) !important;
}

.panel-brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  background: linear-gradient(145deg, var(--panel-leaf), var(--panel-forest));
  color: white;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
}

.panel-brand-text { font-size: 1.1rem; font-weight: 700; }

.panel-menu .nav-link,
.panel-auth .nav-link {
  color: var(--panel-ink) !important;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.45rem 0.75rem !important;
  border-radius: 999px;
}

.panel-menu .nav-link:hover,
.panel-auth .nav-link:hover {
  background: var(--panel-mint);
  color: var(--panel-forest) !important;
}

.panel-user {
  color: var(--panel-muted) !important;
  font-weight: 500 !important;
}

.panel-btn-primary {
  background: linear-gradient(145deg, var(--panel-leaf), var(--panel-forest));
  border: none;
  color: #fff !important;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.4rem 1rem;
}

.panel-btn-primary:hover {
  filter: brightness(1.05);
  color: #fff !important;
}

.panel-btn-outline {
  border: 1px solid var(--panel-line);
  background: transparent;
  color: var(--panel-ink);
  font-weight: 600;
  border-radius: 999px;
}

.panel-btn-outline:hover {
  background: var(--panel-mint);
  border-color: var(--panel-leaf);
  color: var(--panel-forest);
}

.panel-main { padding-top: 0.25rem; }

.panel-alert {
  border: none;
  border-radius: var(--panel-radius);
  box-shadow: var(--panel-shadow);
}

.panel-page-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.panel-lead {
  color: var(--panel-muted);
  margin-bottom: 1.25rem;
}

.panel-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.panel-filter {
  background: var(--panel-white);
  border: 1px solid var(--panel-line);
  border-radius: var(--panel-radius);
  padding: 1rem 1.1rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--panel-shadow);
}

.panel-card {
  background: var(--panel-white);
  border: 1px solid var(--panel-line);
  border-radius: var(--panel-radius);
  box-shadow: var(--panel-shadow);
  height: 100%;
}

.panel-card .card-body { padding: 1.1rem 1.2rem; }
.panel-card .card-header {
  background: transparent;
  border-bottom: 1px solid var(--panel-line);
  font-family: var(--font-display);
  font-weight: 700;
}

.panel-stat {
  background: var(--panel-white);
  border: 1px solid var(--panel-line);
  border-radius: var(--panel-radius);
  box-shadow: var(--panel-shadow);
  height: 100%;
}

.panel-stat .card-body { padding: 1.1rem 1.2rem; }
.panel-stat h6 {
  color: var(--panel-muted);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.panel-stat h3,
.panel-stat h4 {
  font-weight: 800;
  margin-bottom: 0;
}

.panel-stat-success { border-top: 3px solid var(--panel-leaf); }
.panel-stat-primary { border-top: 3px solid #3b82f6; }
.panel-stat-danger { border-top: 3px solid #ef4444; }
.panel-stat-muted { border-top: 3px solid #94a3b8; }

.panel-section-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0.5rem 0 0.85rem;
}

.panel-table-wrap {
  background: var(--panel-white);
  border: 1px solid var(--panel-line);
  border-radius: var(--panel-radius);
  box-shadow: var(--panel-shadow);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.panel-table-wrap .table {
  margin-bottom: 0;
}

.panel-table-wrap .table thead th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--panel-muted);
  font-weight: 700;
  border-bottom-color: var(--panel-line);
  background: var(--panel-sand);
  white-space: nowrap;
}

.panel-table-wrap .table > :not(caption) > * > * {
  padding: 0.7rem 0.85rem;
}

.btn-success {
  background: var(--panel-forest);
  border-color: var(--panel-forest);
}

.btn-success:hover {
  background: var(--panel-leaf);
  border-color: var(--panel-leaf);
}

.btn-primary {
  background: var(--panel-forest);
  border-color: var(--panel-forest);
}

.btn-primary:hover {
  background: var(--panel-leaf);
  border-color: var(--panel-leaf);
}

.form-control:focus,
.form-select:focus,
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(31, 170, 122, 0.25);
  border-color: var(--panel-leaf);
}

.navbar-toggler {
  border-color: var(--panel-line);
}