/* Base */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f9fa;
  color: #212529;
}

/* Navigation */
.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #212529;
  padding: 0 1.5rem;
  height: 48px;
}

.main-nav a, .main-nav span { color: #adb5bd; text-decoration: none; margin-right: 1.5rem; font-size: 14px; }
.main-nav a:hover { color: #fff; }
.main-nav a.disabled { opacity: 0.4; pointer-events: none; }
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.nav-user { color: #6c757d; font-size: 13px; }
.nav-logout { background: none; border: 1px solid #6c757d; color: #adb5bd; border-radius: 4px; padding: 2px 10px; font-size: 12px; cursor: pointer; }
.nav-logout:hover { border-color: #fff; color: #fff; }

/* Container */
.container { max-width: 960px; margin: 0 auto; padding: 1.5rem; }

/* Flash */
.flash { padding: 0.75rem 1rem; border-radius: 4px; margin-bottom: 1rem; font-size: 14px; }
.flash-notice { background: #d1e7dd; color: #0f5132; }
.flash-alert { background: #f8d7da; color: #842029; }

/* Headings */
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 0.75rem; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; border-radius: 4px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
th { background: #e9ecef; text-align: left; padding: 8px 12px; font-weight: 600; }
td { padding: 8px 12px; border-top: 1px solid #e9ecef; }
tr:hover td { background: #f8f9fa; }
td.mono { font-family: "SF Mono", "Consolas", monospace; font-size: 13px; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 3px; font-size: 12px; font-weight: 600; }
.badge-completed { background: #d1e7dd; color: #0f5132; }
.badge-running, .badge-queued { background: #fff3cd; color: #664d03; }
.badge-failed { background: #f8d7da; color: #842029; }
.badge-excluded { background: #f8d7da; color: #842029; }
.badge-included { background: #d1e7dd; color: #0f5132; }
.badge-new { background: #cfe2ff; color: #084298; }
.badge-growing { background: #d1e7dd; color: #0f5132; }
.badge-escalating { background: #f8d7da; color: #842029; }
.badge-stable { background: #e9ecef; color: #495057; }
.badge-fading { background: #f5f5f5; color: #999; }

/* Buttons */
.btn { display: inline-block; padding: 8px 16px; border: none; border-radius: 4px; font-size: 14px; cursor: pointer; text-decoration: none; }
.btn-primary { background: #0d6efd; color: #fff; }
.btn-primary:hover { background: #0b5ed7; }
.btn-secondary { background: #6c757d; color: #fff; }
.btn-secondary:hover { background: #5c636a; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-danger { background: #dc3545; color: #fff; }
.btn-danger:hover { background: #bb2d3b; }
.btn-success { background: #198754; color: #fff; }
.btn-success:hover { background: #157347; }

/* Error box */
.error-box { background: #f8d7da; color: #842029; padding: 0.75rem 1rem; border-radius: 4px; margin: 1rem 0; border: 1px solid #f5c2c7; }

/* Cards */
.card { background: #fff; border-radius: 4px; padding: 1rem 1.25rem; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.card-title { font-size: 14px; color: #6c757d; margin: 0 0 0.25rem; }
.card-value { font-size: 1.5rem; font-weight: 700; margin: 0; }

/* Meta grid */
.meta-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }

/* Inline form (button_to) */
.inline-actions { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }
.inline-actions form { margin: 0; }

/* Sortable columns */
.sort-link { color: #212529; text-decoration: none; }
.sort-link:hover { color: #0d6efd; }

/* Tag list */
.tag-hint { color: #6c757d; font-size: 13px; margin-bottom: 1rem; }

/* Signal details */
.signal-summary { cursor: pointer; color: #6c757d; font-size: 13px; }
.signal-detail { padding: 0.5rem 0; font-size: 13px; color: #495057; }
.signal-detail p { margin: 0.25rem 0; }

/* Price changes */
.change-up { color: #0f5132; font-weight: 600; }
.change-down { color: #842029; font-weight: 600; }