/* ═══════════════════════════════════════════════════════════════════════
   CORPPOLICY HEADER — NAV CSS (CLEAN)
   ─────────────────────────────────────────────────────────────────────
   Navigation styles — desktop + mobile. Zero duplicates.
   Companion to: header-main.css, header-logo.css, header-modals.css
   ═══════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════
   DESKTOP NAV — Base
   ═══════════════════════════════════════════════════════════════════════ */

.nav-main {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: center;
}

.nav-link-main {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  padding: 6px 0;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link-main:hover {
  color: #4f46e5;
  transform: translateY(-1px);
}

.nav-link-main::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link-main:hover::after,
.nav-link-main.active::after {
  width: 100%;
}

.nav-link-main.active {
  color: #4f46e5;
}

.nav-link-main i {
  font-size: 13px;
}

/* ═══════════════════════════════════════════════════════════════════════
   TRACK BUTTON
   ═══════════════════════════════════════════════════════════════════════ */

.track-btn-main {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(79, 70, 229, 0.06);
  border: 1px solid rgba(79, 70, 229, 0.1);
  color: #4f46e5;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
  position: relative;
}

.track-btn-main:hover {
  background: #4f46e5;
  color: #fff;
  border-color: #4f46e5;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(79, 70, 229, 0.25);
}

.track-btn-main i {
  font-size: 12px;
}

.track-badge-main {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  background: #f59e0b;
  color: #fff;
  font-size: 8px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  border: 2px solid #fff;
}

/* ═══════════════════════════════════════════════════════════════════════
   WORKSPACE BUTTON
   ═══════════════════════════════════════════════════════════════════════ */

.workspace-btn-main {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #475569;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  padding: 4px 8px;
  border-radius: 8px;
  font-family: inherit;
  transition: all 0.3s ease;
  position: relative;
}

.workspace-btn-main:hover {
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.06);
}

.workspace-badge-main {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 16px;
  height: 16px;
  background: #10b981;
  color: #fff;
  font-size: 8px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

.workspace-label-main {
  font-size: 12px;
  font-weight: 600;
  color: #4f46e5;
}

/* ═══════════════════════════════════════════════════════════════════════
   NAV DROPDOWNS (Cases / Platform / Resources)
   ═══════════════════════════════════════════════════════════════════════ */

.nav-dropdown-main {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-dropdown-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  position: relative;
  transition: all 0.3s ease;
}

.nav-dropdown-toggle:hover {
  color: #4f46e5;
  transform: translateY(-1px);
}

.nav-dropdown-toggle .nav-caret {
  font-size: 10px;
  margin-left: 2px;
  transition: transform 0.25s ease;
}

.nav-dropdown-main:hover .nav-dropdown-toggle .nav-caret {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 320px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  box-shadow: 0 20px 60px -12px rgba(15, 23, 42, 0.18),
              0 4px 14px -4px rgba(15, 23, 42, 0.08);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1100;
}

.nav-dropdown-main:hover .nav-dropdown-menu,
.nav-dropdown-main.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: #0f172a;
  transition: background 0.15s ease, transform 0.15s ease;
}

.nav-dropdown-item:hover {
  background: rgba(79, 70, 229, 0.06);
  transform: translateX(2px);
}

.nav-dropdown-item i {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg,
              rgba(79, 70, 229, 0.12),
              rgba(124, 58, 237, 0.12));
  color: #4f46e5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-top: 2px;
}

.nav-dropdown-item div {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.nav-dropdown-item strong {
  font-size: 13px;
  font-weight: 600;
  color: #0f172a;
}

.nav-dropdown-item span {
  font-size: 11.5px;
  color: #64748b;
  margin-top: 1px;
}

.nav-dropdown-main .nav-link-main {
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   DARK MODE — Nav
   ═══════════════════════════════════════════════════════════════════════ */

body.dark-mode .nav-link-main {
  color: rgba(255, 255, 255, 0.6);
}

body.dark-mode .nav-link-main:hover,
body.dark-mode .nav-link-main.active {
  color: #818cf8;
}

body.dark-mode .track-btn-main {
  background: rgba(79, 70, 229, 0.15);
  border-color: rgba(79, 70, 229, 0.2);
  color: #818cf8;
}

body.dark-mode .track-btn-main:hover {
  background: #4f46e5;
  color: #fff;
}

body.dark-mode .workspace-btn-main {
  color: rgba(255, 255, 255, 0.6);
}

body.dark-mode .workspace-btn-main:hover {
  color: #818cf8;
  background: rgba(79, 70, 229, 0.1);
}

body.dark-mode .nav-dropdown-toggle {
  color: rgba(255, 255, 255, 0.75);
}

body.dark-mode .nav-dropdown-toggle:hover {
  color: #a5b4fc;
}

body.dark-mode .nav-dropdown-menu {
  background: #1e293b;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 60px -12px rgba(0, 0, 0, 0.6);
}

body.dark-mode .nav-dropdown-item {
  color: #e2e8f0;
}

body.dark-mode .nav-dropdown-item:hover {
  background: rgba(165, 180, 252, 0.08);
}

body.dark-mode .nav-dropdown-item strong {
  color: #f1f5f9;
}

body.dark-mode .nav-dropdown-item span {
  color: #94a3b8;
}

body.dark-mode .nav-dropdown-item i {
  background: linear-gradient(135deg,
              rgba(165, 180, 252, 0.15),
              rgba(196, 181, 253, 0.15));
  color: #a5b4fc;
}

/* ═══════════════════════════════════════════════════════════════════════
   MOBILE NAV — @media (max-width: 991px)
   ═══════════════════════════════════════════════════════════════════════ */

@media (max-width: 991px) {
  .nav-main {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - 72px);
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 20px 24px 40px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 20px 60px -12px rgba(15, 23, 42, 0.15);
  }

  .nav-main.open {
    transform: translateX(0);
  }

  body.dark-mode .nav-main {
    background: #0f172a;
    border-top-color: rgba(255, 255, 255, 0.08);
  }

  .nav-main > * {
    flex-shrink: 0;
    width: 100%;
  }

  body.nav-open {
    overflow: hidden;
  }

  .nav-main > .nav-link-main,
  .nav-main > .track-btn-main,
  .nav-main > .workspace-btn-main {
    width: 100%;
    justify-content: flex-start;
    padding: 14px 8px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    font-size: 15px;
    font-weight: 500;
  }

  .nav-main > .nav-link-main::after {
    display: none;
  }

  body.dark-mode .nav-main > .nav-link-main,
  body.dark-mode .nav-main > .track-btn-main,
  body.dark-mode .nav-main > .workspace-btn-main {
    border-bottom-color: rgba(255, 255, 255, 0.06);
    color: #e2e8f0;
  }

  /* Mobile accordion dropdowns */
  .nav-main .nav-dropdown-main {
    width: 100%;
    display: block;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  }

  .nav-main .nav-dropdown-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 8px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    color: #0f172a;
    text-align: left;
  }

  .nav-main .nav-dropdown-toggle .nav-caret {
    font-size: 12px;
    margin-left: auto;
    transition: transform 0.25s ease;
  }

  .nav-main .nav-dropdown-main.open .nav-dropdown-toggle .nav-caret {
    transform: rotate(180deg);
  }

  .nav-main .nav-dropdown-menu {
    display: block;
    position: static;
    width: 100%;
    padding: 0;
    margin: 0;
    background: rgba(79, 70, 229, 0.03);
    border: none;
    border-radius: 0;
    box-shadow: none;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: max-height 0.4s ease;
  }

  .nav-main .nav-dropdown-main.open .nav-dropdown-menu {
    max-height: 1000px;
    padding: 4px 0 8px 12px;
  }

  .nav-main .nav-dropdown-menu .nav-dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 8px;
    text-decoration: none;
    color: #0f172a;
    border-radius: 8px;
    transition: background 0.15s ease;
  }

  .nav-main .nav-dropdown-menu .nav-dropdown-item:hover,
  .nav-main .nav-dropdown-menu .nav-dropdown-item:focus {
    background: rgba(79, 70, 229, 0.06);
  }

  .nav-main .nav-dropdown-menu .nav-dropdown-item i {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg,
                rgba(79, 70, 229, 0.12),
                rgba(124, 58, 237, 0.12));
    color: #4f46e5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
  }

  .nav-main .nav-dropdown-menu .nav-dropdown-item strong {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #0f172a;
  }

  .nav-main .nav-dropdown-menu .nav-dropdown-item span {
    display: block;
    font-size: 11.5px;
    color: #64748b;
  }

  body.dark-mode .nav-main .nav-dropdown-toggle {
    color: #e2e8f0;
    border-bottom-color: rgba(255, 255, 255, 0.06);
  }

  body.dark-mode .nav-main .nav-dropdown-menu {
    background: rgba(165, 180, 252, 0.05);
  }

  body.dark-mode .nav-main .nav-dropdown-menu .nav-dropdown-item {
    color: #e2e8f0;
  }

  body.dark-mode .nav-main .nav-dropdown-menu .nav-dropdown-item strong {
    color: #f1f5f9;
  }
}