/* Global theme for Web Report */
:root {
  --text: #1f2937; /* default text */
  --muted: #6b7280;
  --primary: #2563EB;
  --accent: #1E3A8A;
  --card-bg: #ffffff;
  --grid: #94a3b8;
}

/* Base */
body {
  background: linear-gradient(135deg, #f0f4f8 0%, #e6eef5 100%);
  min-height: 100vh;
  color: var(--text);
}

/* Navbar */
.navbar {
  background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.25);
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}
.navbar-brand,
.nav-link { color: #fff !important; position: relative; transition: all 0.3s ease; }
.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}
.navbar-nav .nav-link:hover::after { width: 80%; }
.navbar-nav .nav-link:hover { transform: translateY(-2px); }

/* Cards */
.card {
  border-radius: 20px;
  border: none;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  background: var(--card-bg);
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.card:hover::before { transform: scaleX(1); }
.card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.12); }
.card-header {
  background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%);
  color: #fff;
  border: none;
  padding: 20px 24px;
}

/* Forms */
.form-control {
  border-radius: 12px;
  padding: 12px 14px;
  border: 2px solid #e1e5eb;
  transition: all 0.3s ease;
}
.form-control:focus {
  border-color: #2563EB;
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}
.form-label { font-weight: 600; color: #495057; }

/* Buttons */
.btn-primary {
  background: linear-gradient(90deg, #F97316 0%, #EA580C 100%);
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.25);
  position: relative;
  overflow: hidden;
}
.btn-primary:hover {
  background: linear-gradient(90deg, #EA580C 0%, #F97316 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
}
.btn-primary:active { transform: translateY(0); }

/* Footer */
.footer {
  text-align: center;
  padding: 20px;
  color: #6c757d;
  font-size: 0.9rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-top: 1px solid rgba(0,0,0,0.08);
}
.footer a { color: #2563EB; text-decoration: none; }
.footer a:hover { color: #1E3A8A; }

/* Skeleton loading */
.skeleton {
  position: relative;
  overflow: hidden;
  background-color: #e9ecef;
}
.skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150px;
  height: 100%;
  width: 150px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.6), rgba(255,255,255,0));
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer {
  0% { transform: translateX(0); }
  100% { transform: translateX(300%); }
}
.skeleton-text {
  display: inline-block;
  height: 1em;
  width: 60%;
  border-radius: 6px;
}
.skeleton-rect {
  display: block;
  width: 100%;
  height: 120px;
  border-radius: 12px;
}

/* Theme switcher floating button */
.theme-switcher {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1050;
}
.theme-switcher .toggle-btn {
  border: none;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  background: linear-gradient(135deg, #2563EB, #1E3A8A);
  color: #fff;
}
.theme-switcher .panel {
  position: absolute;
  right: 0;
  bottom: 56px;
  width: 220px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);
  padding: 12px;
  display: none;
  color: var(--text);
}
.theme-switcher.open .panel { display: block; }
.theme-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}
.theme-option:hover { background: #f1f5f9; }
.theme-option span { color: var(--text); font-weight: 600; }
.theme-color {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

/* Dark theme overrides (runtime script will also inject extras) */
[data-theme="dark"] body {
  background: linear-gradient(135deg, #0f172a 0%, #1f2937 100%);
  color: #e5e7eb;
}
[data-theme="dark"] .footer { background: #0b1220; color: #9ca3af; }
[data-theme="dark"] .card { background: #0b1220; color: #e5e7eb; box-shadow: 0 8px 24px rgba(0,0,0,0.35); }

/* Soft theme */
[data-theme="soft"] body {
  background: linear-gradient(135deg, #eef2ff 0%, #fef3c7 100%);
}

/* Strong text helpers for cards */
.text-strong { color: var(--text); font-weight: 800; }