:root {
  --bg: #0c0f14;
  --bg-elev: #141a22;
  --panel: #101521;
  --text: #e6edf3;
  --muted: #9aa4b2;
  --accent: #00d0a0;
  --accent-2: #ffb454;
  --border: #1f2a37;
  --shadow: rgba(0, 0, 0, 0.4);
}

html[data-theme="light"] {
  --bg: #f2f5f9;
  --bg-elev: #ffffff;
  --panel: #ffffff;
  --text: #101521;
  --muted: #5a6675;
  --accent: #008f73;
  --accent-2: #ff8b2c;
  --border: #e1e7ef;
  --shadow: rgba(10, 10, 10, 0.12);
}

body.app-body {
  background: radial-gradient(1200px 600px at 10% 10%, rgba(0, 208, 160, 0.12), transparent 60%),
              radial-gradient(900px 500px at 90% 0%, rgba(255, 180, 84, 0.12), transparent 60%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
}

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

.app-header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 15, 20, 0.6);
  backdrop-filter: blur(10px);
}

.app-nav {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.app-nav-main,
.app-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.app-nav-toggle {
  display: none;
}

.app-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.app-nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text);
}

.app-nav-accent {
  background: rgba(0, 208, 160, 0.15);
  border-color: rgba(0, 208, 160, 0.35);
  color: #bff7ea;
}

.app-nav-danger {
  border-color: rgba(255, 85, 85, 0.5);
  color: #ffb3b3;
}

.app-nav-text {
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .app-nav-toggle {
    display: inline-flex;
  }
  .app-nav {
    display: none;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border);
  }
  .app-nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .app-nav-main,
  .app-nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .app-nav-link,
  .app-nav-text {
    width: 100%;
    justify-content: flex-start;
  }
}

.app-main {
  flex: 1;
  padding: 2rem 0 3rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.5px;
}

.app-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px var(--shadow);
}

.app-card,
.app-card .card-body,
.app-card .form-label,
.app-card .form-text {
  color: var(--text);
}

.form-control {
  background-color: var(--panel);
  border-color: var(--border);
  color: var(--text);
}

.form-control::placeholder {
  color: var(--muted);
}

.form-select {
  background-color: var(--panel);
  border-color: var(--border);
  color: var(--text);
}

.form-select option {
  color: #0b0f14;
}

.form-label,
.form-check-label,
.table,
.nav-link,
.pagination .page-link {
  color: var(--text);
}

.nav-tabs {
  border-bottom: 1px solid var(--border);
}

.nav-tabs .nav-link {
  background: transparent;
  border-color: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--text);
  background: var(--bg-elev);
  border-color: var(--border) var(--border) transparent;
}

.nav-tabs .nav-link.disabled {
  color: var(--muted);
}

.table-dark {
  --bs-table-bg: var(--bg-elev);
  --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
  --bs-table-striped-color: var(--text);
  --bs-table-color: var(--text);
  --bs-table-border-color: var(--border);
}

.text-muted,
.table .text-muted {
  color: var(--muted) !important;
}

.pagination .page-link {
  background: var(--bg-elev);
  border-color: var(--border);
}

.pagination .page-item.disabled .page-link {
  color: var(--muted);
}

.btn-outline-light,
.btn-outline-success,
.btn-outline-danger,
.btn-outline-warning {
  color: var(--text);
}

.btn-outline-success {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-outline-success:hover {
  background: var(--accent);
  color: #04120f;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(0, 208, 160, 0.15);
}

.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #04120f;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #00b38a;
  border-color: #00b38a;
}

.btn-outline-light {
  border-color: var(--border);
}

.alert {
  background: rgba(255, 85, 85, 0.12);
  border: 1px solid rgba(255, 85, 85, 0.4);
  color: var(--text);
}