/* ==============================
   CSS Modern SipilMU v1.0
   ============================== */
:root {
  /* Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f7f9fc;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --border-color: #dee2e6;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --accent-color: #007bff;
  --accent-hover: #0056b3;
  --card-hover-shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
  /* Dark Theme */
  --bg-primary: #1a1a1a;
  --bg-secondary: #101010;
  --text-primary: #e9ecef;
  --text-secondary: #adb5bd;
  --border-color: #343a40;
  --shadow-color: rgba(255, 255, 255, 0.05);
  --accent-color: #3391ff;
  --accent-hover: #5ca9ff;
  --card-hover-shadow: rgba(0, 0, 0, 0.2);
}

/* ==============================
   Global Styles
   ============================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

/* ==============================
   Header
   ============================== */
.header {
  position: sticky;
  top: 0;
  z-index: 1020;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: background 0.3s;
}
[data-theme="dark"] .header {
  background: rgba(26, 26, 26, 0.85);
}

.konten-header {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 65px;
}

.logo {
  height: 65px;
  width: auto;
  object-fit: contain;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-icon {
  cursor: pointer;
  color: var(--text-primary);
  padding: 8px;
  border-radius: 8px;
  transition: background-color 0.2s;
}
.nav-icon:hover {
  background-color: var(--border-color);
}

/* Dropdown Menu */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 70px;
  right: 1.5rem;
  width: 260px;
  background-color: var(--bg-primary);
  border-radius: 12px;
  box-shadow: 0 8px 25px var(--card-hover-shadow);
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  z-index: 1000;
}
.dropdown-menu.show {
  display: block;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.2s, color 0.2s;
}
.dropdown-menu a:hover {
  background-color: var(--accent-color);
  color: white;
}

/* ==============================
   Main Content
   ============================== */
main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.bagian-menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.item-menu {
  background-color: var(--bg-primary);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border-color);
  transition: transform 0.3s, box-shadow 0.3s, border 0.3s, background-color 0.3s;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s forwards;
}

.item-menu:nth-child(2) { animation-delay: 0.1s; }
.item-menu:nth-child(3) { animation-delay: 0.2s; }
.item-menu:nth-child(4) { animation-delay: 0.3s; }
.item-menu:nth-child(5) { animation-delay: 0.4s; }

.item-menu:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 12px 25px var(--card-hover-shadow);
  border-color: var(--accent-color);
}

.item-menu h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.item-menu h3 i {
  color: var(--accent-color);
}
.item-menu p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Fade in animation */
@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ==============================
   Footer
   ============================== */
.footer {
  background-color: var(--bg-primary);
  padding: 3rem 2rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.footer-content {
  max-width: 100%;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}
.footer h6 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}
.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.footer a:hover {
  color: var(--accent-color);
}
.social-links a {
  margin-right: 1rem;
  font-size: 1.2rem;
}
.copyright {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* ==============================
   Theme Toggle Button
   ============================== */
.theme-toggle {
  width: 50px;
  height: 26px;
  background: var(--border-color);
  border-radius: 30px;
  position: relative;
  padding: 3px;
  cursor: pointer;
  border: none;
}
.theme-toggle::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent-color);
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform 0.3s;
}
[data-theme="dark"] .theme-toggle::after {
  transform: translateX(24px);
}

/* ==============================
   Responsive
   ============================== */
@media (max-width: 768px) {
  .konten-header, .footer { padding: 0 1rem; }
  .dropdown-menu { right: 1rem; }
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  main { padding: 0 1rem; }
  .section-title { font-size: 1.3rem; }
  .item-menu h3 { font-size: 1rem; }
  .item-menu p { font-size: 0.9rem; }
}