/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background-color: #2d004d; /* purple background */
  display: flex;
  flex-direction: column;
  padding: 0;
  font-family: 'Inter', sans-serif;
  transition: width 0.3s ease;
  color: #fff;
}

/* Top header bar (for collapse button) */
.sidebar-header {
  height: 48px;
  background-color: #1a0033; /* darker purple strip */
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 0 10px;
}



.collapse-btn svg rect,
.collapse-btn svg path {
  stroke: #ffffff;
}

/* Collapse button */
.collapse-btn {
  position: absolute;
  top: 12px;
  right: -14px;
  background: none;   /* no background */
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;

  /* This line is the key fix */
  width: auto;
  height: auto;
}

/* Force the button to only match arrow size */
.collapse-btn svg {
  width: 24px;
  height: 22px;
  display: block;
  pointer-events: none;   /* SVG shapes don’t extend the hitbox */
}

.collapse-btn svg .arrow {
  pointer-events: auto;   /* only arrow path is clickable */
  fill: #ffffff;
  transition: transform 0.2s ease, fill 0.2s ease;
}

/* Hover effect */
.collapse-btn:hover .arrow {
  fill: #0000ff;
  transform: scale(1.1);
}


/* Logo */
.sidebar-logo {
  text-align: center;
  margin: 20px 0 10px;
}
.sidebar-logo img {
  max-width: 120px;
  height: auto;
}

/* Title */
.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 15px;
  color: #fff;
}

/* Divider */
.sidebar hr {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.2);
  margin: 15px 0;
}

/* User info */
.sidebar-section {
  text-align: center;
  font-size: 14px;
  color: #ccc;
  margin-bottom: 15px;
}
.sidebar-username {
  font-weight: 600;
  color: #fff;
}

/* Nav links */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 10px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  color: #f0e6ff;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s;
}
.sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}
.sidebar-nav a.active {
  background: linear-gradient(90deg, #53008f, #7a1fc5);
  color: #fff;
}

/* Logout link */
.sidebar-nav a.logout-link {
  margin-top: auto;
  background: rgba(255, 255, 255, 0.08);
}
.sidebar-nav a.logout-link:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Collapsed */
.sidebar.collapsed {
  width: 70px;
}
.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .sidebar-section,
.sidebar.collapsed .nav-text,
.sidebar.collapsed hr {
  display: none;
}
.sidebar.collapsed .sidebar-logo img {
  max-width: 40px;
}
.sidebar.collapsed .sidebar-nav a {
  justify-content: center;
  padding: 12px 0;
}
.sidebar.collapsed .sidebar-nav a i {
  margin: 0;
}

/* Sidebar footer */
.sidebar-footer {
  margin-top: auto;              /* stick to the bottom */
  text-align: center;
  padding: 15px 10px;
  font-size: 12px;
  color: #ccc;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;     /* smooth transition on collapse */
}

.sidebar-footer span {
  display: block;
  margin-bottom: 6px;
  color: #eee;
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.sidebar-footer img {
  max-width: 120px;
  height: auto;
  opacity: 0.85;
  transition: opacity 0.2s ease, max-width 0.3s ease;
}

.sidebar-footer img:hover {
  opacity: 1;
}

/* Collapsed sidebar footer */
.sidebar.collapsed .sidebar-footer {
  padding: 10px 0;
}

.sidebar.collapsed .sidebar-footer span {
  display: none;        /* hide "Powered By" text */
}

.sidebar.collapsed .sidebar-footer img {
  max-width: 40px;      /* shrink logo */
  opacity: 1;           /* keep it bright */
}

/* Mobile responsive sidebar */
@media (max-width: 768px) {
  .sidebar {
    width: 220px;
    transform: translateX(-100%); /* hide by default */
    transition: transform 0.3s ease;
  }

  .sidebar.open {
    transform: translateX(0); /* slide in when active */
  }

  /* Collapse button becomes menu toggle */
  .collapse-btn {
    position: fixed;
    top: 15px;
    left: 15px;
    right: auto;
    background: none;
    z-index: 3000;
  }

  /* Don’t use collapsed mode on mobile */
  .sidebar.collapsed {
    width: 220px;
  }

  .sidebar.collapsed .sidebar-title,
  .sidebar.collapsed .sidebar-section,
  .sidebar.collapsed .nav-text,
  .sidebar.collapsed hr {
    display: block;
  }
}

/* Smaller screens */
@media (max-width: 480px) {
  .sidebar {
    width: 180px;
  }

  .sidebar-logo img {
    max-width: 80px;
  }

  .sidebar-footer img {
    max-width: 70px;
  }
}