/* ===========================
   NAVBAR — Floating Pill
   =========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
  height: 74px;
  border-radius: 0;
  background: rgba(25,18,18,.65);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.08);
  border-left: none;
  border-right: none;
  border-top: none;
  box-shadow:
    0 10px 35px rgba(0,0,0,.35),
    0 0 35px rgba(255,40,40,.08),
    inset 0 1px 0 rgba(255,255,255,.06);
  padding: 0 148px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: top .4s cubic-bezier(.4,0,.2,1), opacity .4s ease;
  animation: navDrop .7s cubic-bezier(.15,.85,.3,1.1) both;
}
.navbar.nav-hidden {
  top: -80px;
  opacity: 0;
  pointer-events: none;
}
@keyframes navDrop {
  from { opacity: 0; transform: translateY(-30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Left: Logo ---- */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  min-width: 0;
}
.logo-emblem {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  animation: emblemSpin .8s cubic-bezier(.68,-.55,.27,1.55) .3s both;
}
@keyframes emblemSpin {
  0% { opacity: 0; transform: rotate(-180deg) scale(0); }
  100% { opacity: 1; transform: rotate(0) scale(1); }
}
.logo-emblem img.logo-img { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; display: flex; }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-main {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -.3px;
}
.logo-sub {
  font-size: .7rem;
  color: var(--red);
  font-weight: 600;
  letter-spacing: .3px;
}

/* ---- Center: Nav Links ---- */
.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  padding: .5rem 1rem;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: transform .3s, color .3s, background .3s, box-shadow .3s;
  display: block;
  cursor: pointer;
  position: relative;
}
.nav-link:hover {
  color: var(--red);
  transform: translateY(-2px);
}
.nav-link:not(.dropdown-toggle)::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--red);
  border-radius: 2px;
  transition: width .3s ease, left .3s ease;
}
.nav-link:not(.dropdown-toggle):hover::after { width: 50%; left: 25%; }
.nav-link.active {
  background: var(--red-gradient);
  color: #fff;
  box-shadow: 0 8px 20px rgba(var(--red-rgb),.45);
}
.nav-link:not(.dropdown-toggle).active::after { display: none; }

/* Dropdown */
.has-dropdown {
  position: relative;
}
.dropdown-toggle { user-select: none; }
.dropdown-toggle::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: .68rem;
  margin-inline-start: .45rem;
  display: inline-block;
  transition: transform .3s ease;
  vertical-align: middle;
}
.has-dropdown.open > .dropdown-toggle::after,
.has-dropdown:hover > .dropdown-toggle::after,
.has-dropdown:focus-within > .dropdown-toggle::after { transform: rotate(180deg); }
.dropdown-toggle:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
  border-radius: 999px;
}
.dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  background: rgba(25,18,18,.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(0,0,0,.4);
  border: 1px solid rgba(255,255,255,.08);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .3s, visibility .3s, transform .3s;
  z-index: 100;
}
.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: .55rem .85rem;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-tertiary);
  text-decoration: none;
  white-space: nowrap;
  transition: background .3s, color .3s, padding .3s;
}
.dropdown a:hover {
  background: rgba(var(--red-rgb),.12);
  color: var(--text-primary);
  padding-right: 1.2rem;
}
.dropdown a.active {
  background: rgba(var(--red-rgb),.15);
  color: var(--red);
}
.dropdown a .icon {
  width: 1.2rem;
  margin-left: .7rem;
  font-size: .9rem;
  text-align: center;
  vertical-align: -2px;
}

/* ---- Right: Actions ---- */
.nav-right-group {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
  min-width: 0;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 11px;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s, background .3s;
  border-radius: 50%;
  width: 34px;
  height: 34px;
}
.theme-toggle:hover {
  background: rgba(255,255,255,.06);
  transform: scale(1.1);
}
.theme-icon { transition: opacity .3s; }
.sun-icon { display: none; }
.moon-icon { display: inline; }
[data-theme="light"] .sun-icon { display: inline; }
[data-theme="light"] .moon-icon { display: none; }

/* Colored toggle icons */
.theme-icon i, .lang-icon i { font-style: normal; line-height: 1; }
.sun-icon i { color: var(--gold); text-shadow: 0 0 10px rgba(var(--gold-rgb),.5); }
.moon-icon i { color: #9DB6F8; text-shadow: 0 0 10px rgba(157,182,248,.5); }
.lang-icon i { color: #4DB8A6; }

/* Lang Toggle */
.lang-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: .35rem .45rem;
  font-size: .75rem;
  display: flex;
  align-items: center;
  gap: 3px;
  transition: transform .3s, background .3s, color .3s;
  border-radius: 999px;
  color: var(--text-tertiary);
  border: 1px solid rgba(255,255,255,.08);
  font-weight: 600;
}
.lang-toggle:hover {
  background: rgba(255,255,255,.06);
  color: var(--text-primary);
  border-color: var(--red);
  transform: translateY(-1px);
}
.lang-icon { font-size: .9rem; }
.lang-text { font-size: .72rem; font-weight: 700; letter-spacing: .5px; }

/* Get Started / Register Button */
.nav-reg-btn {
  background: var(--red-gradient);
  color: #fff;
  font-weight: 800;
  font-size: .88rem;
  padding: .5rem 1.4rem;
  border-radius: 999px;
  white-space: nowrap;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(var(--red-rgb),.35);
  transition: transform .3s, box-shadow .3s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
}
.nav-reg-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(var(--red-rgb),.55);
}

/* Student Login Dropdown */
.nav-login { position: relative; }
.nav-login-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 275px;
  background: rgba(25,18,18,.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
  padding: 1.1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .3s, visibility .3s, transform .3s;
  z-index: 100;
}
.nav-login.open .nav-login-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-login-dropdown label {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-tertiary);
  margin: 0 0 .3rem;
}
.nav-login-input {
  width: 100%;
  padding: .6rem .85rem;
  margin-bottom: .8rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text-primary);
  font-size: .88rem;
  font-family: inherit;
  transition: border-color .3s, background .3s;
}
.nav-login-input::placeholder { color: rgba(255,255,255,.35); }
.nav-login-input:focus {
  outline: none;
  border-color: var(--red);
  background: rgba(255,255,255,.09);
}
.nav-login-submit {
  width: 100%;
  background: var(--red-gradient);
  color: #fff;
  font-weight: 800;
  font-size: .9rem;
  padding: .65rem 1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(var(--red-rgb),.35);
  transition: transform .3s, box-shadow .3s;
  font-family: inherit;
}
.nav-login-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(var(--red-rgb),.5);
}
.nav-login-forgot {
  display: block;
  text-align: center;
  margin-top: .8rem;
  font-size: .78rem;
  font-weight: 700;
  color: var(--red);
  text-decoration: none;
}
.nav-login-forgot:hover { text-decoration: underline; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .45rem;
  border-radius: 8px;
  transition: background .3s;
}
.hamburger:hover { background: rgba(255,255,255,.06); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Light Mode Overrides */
[data-theme="light"] .navbar {
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(0,0,0,.06);
  box-shadow:
    0 10px 35px rgba(0,0,0,.08),
    inset 0 1px 0 rgba(255,255,255,.8);
}
[data-theme="light"] .nav-link { color: var(--text-secondary); }
[data-theme="light"] .nav-link:hover { color: var(--red); }
[data-theme="light"] .nav-link.active {
  background: var(--red-gradient);
  color: #fff;
  box-shadow: 0 8px 20px rgba(var(--red-rgb),.3);
}
[data-theme="light"] .dropdown {
  background: rgba(255,255,255,.95);
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}
[data-theme="light"] .dropdown a { color: var(--text-tertiary); }
[data-theme="light"] .dropdown a:hover {
  background: rgba(var(--red-rgb),.08);
  color: var(--red);
}
[data-theme="light"] .dropdown a.active {
  background: rgba(var(--red-rgb),.12);
  color: var(--red);
}
[data-theme="light"] .theme-toggle:hover { background: rgba(0,0,0,.06); }
[data-theme="light"] .lang-toggle {
  border-color: rgba(0,0,0,.1);
  color: var(--text-tertiary);
}
[data-theme="light"] .lang-toggle:hover {
  background: rgba(0,0,0,.06);
  color: var(--red);
  border-color: var(--red);
}
[data-theme="light"] .nav-reg-btn {
  box-shadow: 0 8px 20px rgba(var(--red-rgb),.25);
}
[data-theme="light"] .nav-reg-btn:hover {
  box-shadow: 0 12px 28px rgba(var(--red-rgb),.35);
}
[data-theme="light"] .nav-login-dropdown {
  background: rgba(255,255,255,.98);
  border-color: rgba(0,0,0,.08);
  box-shadow: 0 16px 48px rgba(0,0,0,.18);
}
[data-theme="light"] .nav-login-input {
  background: rgba(0,0,0,.04);
  border-color: rgba(0,0,0,.12);
  color: var(--text-primary);
}
[data-theme="light"] .nav-login-input::placeholder { color: rgba(0,0,0,.35); }
[data-theme="light"] .nav-login-input:focus { background: rgba(0,0,0,.06); }
[data-theme="light"] .hamburger:hover { background: rgba(0,0,0,.06); }

@media (max-width: 768px) {
  .navbar {
    width: 100%;
    padding: 0 12px;
    height: 58px;
    top: 0;
  }
  .logo-text { display: flex; }
  .logo-main { font-size: .62rem; }
  .logo-sub { display: none; }
  .nav-reg-btn { display: none; }
  .nav-login { display: block; }
  .nav-login-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    font-size: .95rem;
    box-shadow: none;
  }
  .nav-login-toggle span { display: none; }
  .nav-login-toggle i { margin: 0; }
  .nav-login-dropdown {
    position: fixed;
    top: 66px;
    left: 12px;
    right: 12px;
    width: auto;
    margin: 0;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 80px;
    left: 12px;
    right: 12px;
    flex-direction: column;
    background: rgba(25,18,18,.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,.08);
    padding: 8px;
    gap: 2px;
    box-shadow: 0 20px 60px rgba(0,0,0,.4);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-link {
    padding: .65rem 1rem;
    font-size: .95rem;
    width: 100%;
    text-align: center;
  }
  .hamburger { display: flex; }
  .dropdown {
    position: static;
    background: transparent;
    backdrop-filter: none;
    border: none;
    box-shadow: none;
    padding: 0 0 0 1rem;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s;
  }
  .has-dropdown.open .dropdown {
    max-height: 640px;
  }
  .dropdown a {
    padding: .5rem .85rem;
    font-size: .9rem;
    color: var(--text-tertiary);
  }
  .dropdown a:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,.04);
  }
  .nav-reg-btn:not(.nav-login-toggle) {
    padding: .4rem 1rem;
    font-size: .78rem;
  }
  .nav-actions {
    gap: 2px;
  }
  .theme-toggle { width: 32px; height: 32px; font-size: 1rem; }
  .lang-toggle { padding: .3rem .35rem; font-size: .7rem; }

  /* Mobile light mode */
  [data-theme="light"] .nav-links {
    background: rgba(255,255,255,.95);
    border-color: var(--border);
    box-shadow: var(--shadow-lg);
  }
  [data-theme="light"] .dropdown a:hover {
    background: rgba(var(--red-rgb),.06);
  }
  [data-theme="light"] .nav-login-toggle {
    background: rgba(0,0,0,.04);
    border-color: rgba(0,0,0,.1);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .navbar {
    width: 100%;
  }
  .nav-link {
    padding: .45rem .7rem;
    font-size: .82rem;
  }
  .nav-links {
    gap: 0;
  }
}

/* LTR overrides */
[data-lang="en"] .navbar { direction: ltr; }
[data-lang="en"] .nav-links { direction: ltr; }
[data-lang="en"] .dropdown { right: auto; left: 0; }
[data-lang="en"] .dropdown a:hover { padding-right: .85rem; padding-left: 1.2rem; }
[data-lang="en"] .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(-5px,5px); }
[data-lang="en"] .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(-5px,-5px); }

/* ===========================
   SITE SEARCH — Floating Left
   =========================== */
.site-search {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 1000;
}
.search-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(25,18,18,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--gold);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
  transition: transform .3s, background .3s, color .3s, box-shadow .3s;
}
.search-toggle:hover {
  background: var(--red);
  color: #fff;
  transform: scale(1.08);
  box-shadow: 0 8px 30px rgba(var(--red-rgb),.5);
}
.search-panel {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  width: 280px;
  z-index: 50;
  background: rgba(25,18,18,.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(.95);
  transition: opacity .3s, visibility .3s, transform .3s;
  transform-origin: bottom left;
}
.search-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.06);
  border-radius: 10px;
  padding: 0 10px;
  border: 1px solid rgba(255,255,255,.08);
  transition: border-color .3s;
}
.search-input-wrap:focus-within {
  border-color: var(--red);
}
.search-icon {
  color: var(--text-tertiary);
  font-size: .85rem;
  flex-shrink: 0;
}
.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: .82rem;
  padding: 8px 0;
  font-family: inherit;
}
.search-input::placeholder {
  color: var(--text-tertiary);
}
.search-close {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color .2s;
  flex-shrink: 0;
}
.search-close:hover { color: var(--red); }
.search-results {
  max-height: 320px;
  overflow-y: auto;
  margin-top: 6px;
}
.search-results:empty { display: none; }
.search-results a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: .85rem;
  font-weight: 600;
  transition: background .2s, color .2s;
}
.search-results a:hover {
  background: rgba(var(--red-rgb),.12);
  color: var(--text-primary);
}
.search-results a i {
  color: var(--red);
  font-size: .8rem;
  flex-shrink: 0;
}
.search-results a div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.search-context {
  font-size: .75rem;
  font-weight: 400;
  color: var(--text-tertiary);
  line-height: 1.3;
}
.search-results .search-empty {
  padding: 16px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: .85rem;
}

/* Light Mode */
[data-theme="light"] .search-toggle {
  background: rgba(255,255,255,.85);
  border-color: rgba(0,0,0,.08);
  color: var(--gold);
  box-shadow: 0 10px 30px rgba(0,0,0,.15);
}
[data-theme="light"] .search-toggle:hover {
  background: var(--red);
  color: #fff;
}
[data-theme="light"] .search-panel {
  background: rgba(255,255,255,.95);
  border-color: rgba(0,0,0,.06);
  box-shadow: 0 20px 60px rgba(0,0,0,.12);
}
[data-theme="light"] .search-input-wrap {
  background: rgba(0,0,0,.04);
  border-color: rgba(0,0,0,.08);
}
[data-theme="light"] .search-results a:hover {
  background: rgba(var(--red-rgb),.08);
}
[data-theme="light"] .search-context {
  color: rgba(0,0,0,.45);
}

@media (max-width: 768px) {
  .site-search {
    left: 16px;
    bottom: 16px;
  }
  .search-toggle {
    width: 40px;
    height: 40px;
    font-size: .9rem;
  }
  .search-panel {
    width: calc(100vw - 52px);
    max-width: 300px;
  }
}