:root {
  --primary-color: #2563EB;
  --secondary-color: #7C3AED;
  --accent-color: #F59E0B;
  --bg-color: #F8FAFC;
  --card-bg: #FFFFFF;
  --main-text: #0F172A;
  --secondary-text: #64748B;
  --border-color: #E2E8F0;
  --success-color: #16A34A;
  --danger-color: #DC2626;
  --font-family: 'Poppins', sans-serif;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--main-text);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--main-text);
}

/* Custom Utilities */
.text-primary-custom { color: var(--primary-color); }
.bg-primary-custom { background-color: var(--primary-color); color: #fff; }
.btn-primary-custom {
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  transition: all 0.3s ease;
}
.btn-primary-custom:hover {
  background-color: #1d4ed8;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.bg-secondary-custom { background-color: var(--secondary-color); color: #fff; }

/* Global Header */
.navbar-custom {
  background-color: var(--card-bg);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  padding: 1rem 0;
}
.navbar-custom.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.navbar-brand {
  font-weight: 700;
  color: var(--primary-color) !important;
  font-size: 1.5rem;
}
.nav-link {
  color: var(--secondary-text) !important;
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-color) !important;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.5s ease-in forwards;
}
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Cards & Modals */
.card {
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  background: var(--card-bg);
}
.modal-content {
  border-radius: 0.75rem;
  border: none;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Toast Container */
.toast-container {
  z-index: 1090;
}

/* Split Login */
.login-split {
  min-height: 100vh;
}
.login-split .login-image {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  text-align: center;
}
.login-split .login-form-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background-color: var(--bg-color);
}
.login-card {
  width: 100%;
  max-width: 450px;
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding-top: 3rem;
  padding-bottom: 1.5rem;
}
footer h5 {
  color: var(--main-text);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
footer a {
  color: var(--secondary-text);
  text-decoration: none;
  transition: color 0.2s ease;
}
footer a:hover {
  color: var(--primary-color);
}