/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: 4px;
  text-align: center;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background-color: var(--color-bg-darker);
  transform: translateY(-2px);
}

.dark-section .btn-primary {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
}
.dark-section .btn-primary:hover {
  background-color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-dark);
}
.btn-secondary:hover {
  background-color: var(--color-bg-secondary);
}

.dark-section .btn-secondary {
  color: var(--color-text-inverse);
  border-color: var(--color-text-tertiary);
}
.dark-section .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Cards */
.card {
  background-color: #fff;
  border-radius: 8px;
  padding: var(--space-lg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid var(--color-border);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}

.card-dark {
  background-color: #222;
  border-color: #333;
  color: #F8FAFC;
}
.card-dark:hover {
  background-color: #2A2A2A;
  box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}

.card-dark p {
  color: #E2E8F0;
}

.card-dark li {
  color: #F1F5F9;
}

/* Icons / Indicators */
.card-icon {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-bottom: var(--space-md);
}
.card-icon.red { background-color: var(--color-accent-red); box-shadow: 0 0 10px rgba(196,77,77,0.4); }
.card-icon.yellow { background-color: #D4A373; }
.card-icon.warning { background-color: var(--color-accent-warm); }
.card-icon.green { background-color: var(--color-accent-green); }

/* Tags */
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.tag {
  font-size: 0.9rem;
  padding: 4px 10px;
  border-radius: 20px;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}
.dark-section .tag {
  background-color: #333;
  color: var(--color-text-inverse-sec);
}

/* Status Badges */
.status-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  background-color: var(--color-accent-blue-soft);
  color: var(--color-accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background var(--transition-fast);
}

.navbar.compact {
  background: rgba(250, 250, 248, 0.95);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.nav-brand:hover {
  opacity: 0.85;
}

.nav-brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--color-bg-dark);
  color: #FFFFFF;
}

.nav-brand-text {
  font-weight: 800;
  letter-spacing: 0.06em;
}

.nav-brand-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(59, 125, 216, 0.12);
  color: var(--color-accent-blue);
  border: 1px solid rgba(59, 125, 216, 0.25);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 4px 0;
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--color-text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: width var(--transition-fast);
}

.nav-links a.active::after {
  width: 100%;
}

.btn-presentation {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  color: var(--color-text-secondary);
}
.btn-presentation:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

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