/*
 * ============================================================
 *  SIDEBAR STYLES
 *  Smart Shiksha ERP – Side Navigation
 * ============================================================
 */

/* ── Sidebar Sizing Tokens ── */
:root {
  --erp-sidebar-width: 254px;
  --erp-sidebar-collapsed-width: 78px;
  --erp-sidebar-bg: lch(99.68% 0.52 290.36);
  --erp-sidebar-text: rgba(14, 13, 13, 0.7);
  --erp-sidebar-hover: rgba(255,255,255,0.08);
  --erp-sidebar-active: rgba(124,58,237,0.15);
}

/* ── Sidebar Positioning ── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--erp-sidebar-width);
  height: 100vh;
  background: var(--erp-sidebar-bg);
  z-index: 1030;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.sidebar-inner.slimscroll {
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-inner::-webkit-scrollbar {
  width: 4px;
}

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

.sidebar-inner::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}

/* ── Sidebar Logo ── */
.sidebar-logo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.sidebar-logo .brand-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--erp-primary), var(--erp-magenta));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0e0d0d;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #080808;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.brand-sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.4);
  font-weight: 500;
  line-height: 1.2;
}

.sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: var(--erp-sidebar-text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* ── Sidebar User Card ── */
.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  margin: 8px 12px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.sidebar-user-card .avatar {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--erp-primary), var(--erp-magenta));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 0.82rem;
  flex-shrink: 0;
}

.sidebar-user-card .user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-user-card .user-name {
  font-weight: 600;
  font-size: 0.82rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-card .user-role {
  font-size: 0.7rem;
  color: var(--erp-sidebar-text);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Sidebar Menu ── */
.sidebar-menu {
  flex: 1;
  padding: 5px 0;
}

.sidebar-menu > ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ── Menu Group Title ── */
.menu-group-title {
  padding: 5px 5px 6px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(8, 8, 8, 0.3);
  list-style: none;
}

.menu-group-title span {
  display: block;
}

/* ── Menu Items ── */
.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  color: var(--erp-sidebar-text);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s ease;
  position: relative;
}

.sidebar-menu li a:hover {
  background: var(--erp-sidebar-hover);
  color: #0e0ae7;
}

.sidebar-menu li.active > a {
  background: var(--erp-sidebar-active);
  color: #eb0a0a;
  font-weight: 600;
}

.sidebar-menu li.active > a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 3dvb;
  width: 3px;
  background: var(--erp-primary);
  border-radius: 0 3px 3px 0;
}

/* ── Icon Wrap ── */
.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-size: 18px;
}

/* ── Menu Arrow (Chevron) ── */
.menu-arrow {
  margin-left: auto;
  font-size: 12px;
  transition: transform 0.2s;
  color: rgba(255,255,255,0.3);
}

.menu-arrow i {
  font-size: 14px;
}

.sidebar-menu li.submenu.open > a .menu-arrow {
  transform: rotate(90deg);
}

/* ── Submenu ── */
.sidebar-menu li.submenu > ul {
  list-style: none;
  padding: 0 0 0 5px;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.2s ease;
  opacity: 0;
}

.sidebar-menu li.submenu.open > ul {
  max-height: 600px;
  opacity: 1;
}

.sidebar-menu li.submenu ul li a {
  padding: 5px 7px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  border-radius: 8px;
  margin: 1px 5px;
}

.sidebar-menu li.submenu ul li a:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.sidebar-menu li.submenu ul li.active a {
  background: var(--erp-sidebar-active);
  color: #fff;
}

/* ── Mini Sidebar Mode ── */
body.mini-sidebar .sidebar {
  width: var(--erp-sidebar-collapsed-width);
}

body.mini-sidebar .sidebar .brand-text-group,
body.mini-sidebar .sidebar .sidebar-user-card .user-details,
body.mini-sidebar .sidebar .menu-group-title,
body.mini-sidebar .sidebar .sidebar-menu li a span:not(.icon-wrap),
body.mini-sidebar .sidebar .menu-arrow {
  opacity: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}

body.mini-sidebar .sidebar .sidebar-logo {
  justify-content: center;
  padding: 14px 8px;
}

body.mini-sidebar .sidebar .sidebar-collapse-btn {
  display: none;
}

body.mini-sidebar .sidebar .sidebar-user-card {
  justify-content: center;
  margin: 8px;
  padding: 10px;
}

body.mini-sidebar .sidebar .sidebar-menu li a {
  justify-content: center;
  padding: 10px;
}

body.mini-sidebar .sidebar .sidebar-menu li a .icon-wrap {
  margin: 0;
}

body.mini-sidebar .sidebar .sidebar-menu li.submenu > ul {
  padding-left: 0;
}

body.mini-sidebar .main-wrapper {
  margin-left: var(--erp-sidebar-collapsed-width);
  width: calc(100% - var(--erp-sidebar-collapsed-width));
}

body.mini-sidebar .header {
  left: var(--erp-sidebar-collapsed-width) !important;
}

/* ── Mobile Sidebar (Overlay + Slide) ── */
@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1050;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  /* The loaded JS (script.js / responsive-nav.js) toggles the legacy
     `slide-nav` class on .main-wrapper + `opened` on .sidebar-overlay.
     Bridge those to the new transform-based reveal so the mobile menu works. */
  .slide-nav .sidebar {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1040;
    backdrop-filter: blur(2px);
  }

  .sidebar-overlay.active,
  .sidebar-overlay.opened {
    display: block;
  }

  body.mini-sidebar .sidebar {
    width: var(--erp-sidebar-width);
    transform: translateX(-100%);
  }

  body.mini-sidebar .sidebar.mobile-open,
  body.mini-sidebar .slide-nav .sidebar {
    transform: translateX(0);
  }

  body.mini-sidebar .main-wrapper {
    margin-left: 0;
    width: 100%;
  }

  body.mini-sidebar .header {
    left: 0 !important;
  }

  body.mini-sidebar .sidebar .brand-text-group,
  body.mini-sidebar .sidebar .sidebar-user-card .user-details,
  body.mini-sidebar .sidebar .menu-group-title,
  body.mini-sidebar .sidebar .sidebar-menu li a span:not(.icon-wrap),
  body.mini-sidebar .sidebar .menu-arrow {
    opacity: 1;
    width: auto;
    pointer-events: auto;
  }

  body.mini-sidebar .sidebar .sidebar-logo {
    justify-content: space-between;
    padding: 14px 16px;
  }

  body.mini-sidebar .sidebar .sidebar-collapse-btn {
    display: flex;
  }

  body.mini-sidebar .sidebar .sidebar-user-card {
    justify-content: flex-start;
    margin: 8px 12px;
    padding: 12px 16px;
  }

  body.mini-sidebar .sidebar .sidebar-menu li a {
    justify-content: flex-start;
    padding: 10px 16px;
  }
}

/* ── Sidebar Compact (Small Screens) ── */
@media (max-width: 768px) {
  .sidebar-logo {
    padding: 12px 14px;
  }

  .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 0.85rem;
  }

  .brand-name {
    font-size: 0.85rem;
  }

  .sidebar-user-card {
    padding: 10px 14px;
    margin: 6px 8px;
  }

  .sidebar-user-card .avatar {
    width: 30px;
    height: 30px;
    font-size: 0.75rem;
  }

  .sidebar-menu li a {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
}

/* ── Dark Mode: Sidebar ── */
[data-theme="dark"] .sidebar {
  background: #0f172a;
}

[data-theme="dark"] .sidebar-user-card {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .sidebar-menu li a:hover {
  background: rgba(255,255,255,0.06);
}

[data-theme="dark"] .sidebar-menu li.active > a {
  background: rgba(124,58,237,0.2);
}