/* Inspinia-style Sidebar */

:root {
  --sidebar-bg: #2C3E50;
  --sidebar-bg-hover: #34495E;
  --sidebar-text: #ECF0F1;
  --sidebar-text-secondary: #95A5A6;
  --sidebar-active: #3B82F6;
  --leaf: #2F6B3C;
  --sap: #6FBF73;
  --white: #FFFFFF;
  --bg-light: #F5F7FA;
  --card-bg: #FFFFFF;
  --text-primary: #2C3E50;
  --text-secondary: #7F8C8D;
  --border-color: #E8EAED;
  --blue-primary: #3B82F6;
}

.container {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  transition: grid-template-columns 0.3s ease;
}

.container.sidebar-expanded {
  grid-template-columns: 260px 1fr;
}

/* ---------- SIDEBAR ---------- */
.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  position: fixed;
  width: 260px;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 0;
  gap: 0;
  align-items: stretch;
}

.sidebar.mobile-hidden {
  transform: translateX(-100%);
}

/* Logo Section */
.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 18px;
  transition: all 0.2s;
}

.logo-link i {
  font-size: 24px;
  color: var(--leaf);
}

.logo-link:hover {
  color: var(--leaf);
}

.logo-text {
  display: block;
  white-space: nowrap;
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Section Label */
.nav-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--sidebar-text-secondary);
  padding: 16px 20px 8px;
  margin-top: 8px;
}

.nav-section-label:first-child {
  margin-top: 0;
}

/* Navigation Item */
.nav-item,
.nav-item-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.nav-item:hover,
.nav-item-header:hover {
  background: var(--sidebar-bg-hover);
  color: var(--white);
}

.nav-item.active,
.nav-item-header.active {
  background: rgba(59, 130, 246, 0.2);
  color: var(--sidebar-active);
  border-left: 3px solid var(--sidebar-active);
  padding-left: 17px;
}

.nav-item i,
.nav-item-header i {
  font-size: 16px;
  min-width: 20px;
}

.nav-text {
  flex: 1;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Chevron Icon */
.chevron {
  font-size: 12px;
  margin-left: auto;
  transition: transform 0.3s ease;
  color: var(--sidebar-text-secondary);
}

.chevron.active {
  transform: rotate(-180deg);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  margin-left: auto;
}

.badge-new {
  background: #EF4444;
  color: var(--white);
}

/* Submenu */
.nav-submenu {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: rgba(0, 0, 0, 0.2);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-submenu.active {
  display: flex;
  max-height: 500px;
}

.nav-subitem {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px 10px 52px;
  color: var(--sidebar-text-secondary);
  text-decoration: none;
  font-size: 13px;
  transition: all 0.2s;
  position: relative;
}

.nav-subitem::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 50%;
  width: 4px;
  height: 4px;
  background: var(--sidebar-text-secondary);
  border-radius: 50%;
  transform: translateY(-50%);
}

.nav-subitem:hover {
  background: var(--sidebar-bg-hover);
  color: var(--white);
}

.nav-subitem.active {
  color: var(--sidebar-active);
}

.nav-subitem.active::before {
  background: var(--sidebar-active);
}

/* Nav Item Group */
.nav-item-group {
  display: flex;
  flex-direction: column;
}

/* Scrollbar */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Tablet Responsive */
@media (max-width: 1024px) {
  .container {
    grid-template-columns: 260px 1fr;
  }

  .sidebar {
    width: 260px;
  }

  .sidebar-nav {
    padding: 12px 0;
  }

  .nav-item,
  .nav-item-header {
    padding: 10px 16px;
    font-size: 13px;
  }

  .nav-section-label {
    padding: 12px 16px 6px;
    font-size: 10px;
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    width: 260px;
    transform: translateX(-100%);
    left: 0;
    top: 0;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
  }

  .sidebar-logo {
    padding: 16px 12px;
  }

  .logo-link {
    font-size: 16px;
  }

  .logo-text {
    display: block;
  }

  .nav-item,
  .nav-item-header {
    padding: 12px 16px;
    font-size: 14px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .sidebar {
    width: 100%;
    max-width: 240px;
  }

  .sidebar-logo {
    padding: 12px 10px;
  }

  .logo-link {
    font-size: 14px;
    gap: 8px;
  }

  .logo-link i {
    font-size: 20px;
  }

  .nav-item,
  .nav-item-header {
    padding: 10px 12px;
    font-size: 13px;
    gap: 10px;
  }

  .nav-item i,
  .nav-item-header i {
    font-size: 14px;
    min-width: 16px;
  }

  .nav-text {
    font-size: 13px;
  }

  .sidebar-nav {
    padding: 8px 0;
  }

  .nav-section-label {
    padding: 10px 12px 4px;
    font-size: 9px;
  }
}