/* ===========================
   🎨 STRASSENWÄRTER TOOL UI
   Modern Glass / Sticky Navbar / Mobile Blur
   =========================== */

/* --- Grundfarben --- */
:root {
  --nav-bg: rgba(15, 23, 42, 0.92);
  --nav-border: rgba(255, 255, 255, 0.08);
  --nav-shadow: 0 3px 12px rgba(0, 0, 0, 0.4);
  --active-blue: linear-gradient(120deg, rgba(37, 99, 235, 0.9), rgba(59, 130, 246, 0.9));
  --text-light: #e2e8f0;
  --hover-bright: #fff;
  --blur-bg: rgba(15, 23, 42, 0.96);
  --overlay-bg: rgba(0, 0, 0, 0.55);
}

/* Theme icon button in nav */
.nav-icon-btn{
  position:absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--nav-border);
  background: rgba(255,255,255,.06);
  color: var(--text-light);
  cursor:pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.nav-icon-btn:hover{
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.24);
  box-shadow: 0 0 0 4px rgba(37,99,235,.10);
}

.nav-icon-btn:active{ transform: translateY(-50%) scale(.98); }

/* ===========================
   HEADER + LOGO
   =========================== */
.top-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: var(--nav-shadow);
  border-radius: 0 0 18px 18px;
  padding: 1rem;
  color: #fff;
}

.top-logo img {
  width: 85px;
  height: auto;
  margin-right: 1rem;
  filter: drop-shadow(0 0 12px rgba(0, 0, 0, 0.4));
}

.top-logo-text h1 {
  font-size: 1.5rem;
  margin: 0;
}

.top-logo-text p {
  font-size: 0.9rem;
  color: #93c5fd;
  margin: 0;
}

/* ===========================
   NAVIGATION (DESKTOP)
   =========================== */
#mainNav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: var(--nav-shadow);
  border-radius: 0 0 18px 18px;
}

.nav-container {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 0.5rem 1rem;
}

.nav-menu {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

/* --- Top-Buttons (dein HTML nutzt <button.nav-btn>) --- */
.nav-btn {
  appearance: none;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--text-light);
  font-weight: 650;
  padding: 0.42rem 0.85rem;
  border-radius: 12px;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}

.nav-btn:hover {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.24);
}

.nav-btn:focus-visible {
  outline: 2px solid rgba(59,130,246,.9);
  outline-offset: 2px;
}

/* --- Active State: blau --- */
.nav-btn.active {
  background: var(--active-blue);
  border-color: rgba(59,130,246,.55);
  color: #fff;
  box-shadow: 0 0 10px rgba(59,130,246,.35);
}

/* Dropdown-Links (bleiben <a>) */
.nav-menu a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 600;
  padding: 0.4rem 0.7rem;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.nav-menu a:hover {
  color: var(--hover-bright);
}

.nav-menu a.active {
  background: var(--active-blue);
  color: #fff !important;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.35);
}

/* --- Dropdowns (Desktop) --- */
.dropdown {
  display: none;
  position: absolute;
  flex-direction: column;
  background: var(--blur-bg);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 0.5rem;
  top: 2.2rem;
  left: 0;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

/* Desktop: Dropdown per Hover */
@media (min-width: 851px) {
  .nav-item:hover > .dropdown {
    display: flex;
  }
}

.dropdown a {
  padding: 0.5rem 0.8rem;
  color: #dbeafe;
  border-radius: 8px;
}

.dropdown a:hover {
  background: rgba(59, 130, 246, 0.15);
  color: #fff;
}

/* ===========================
   MOBILE NAVIGATION
   =========================== */
.mobile-nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.7rem;
  border-radius: 12px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mobile-nav-toggle:hover {
  background: rgba(59, 130, 246, 0.25);
  transform: scale(1.05);
}

/* --- Hintergrund Overlay beim Menü --- */
body.menu-open::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(4px);
  z-index: 45;
  animation: fadeInOverlay 0.3s ease forwards;
}

@keyframes fadeInOverlay {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Mobile Menü selbst --- */
@media (max-width: 850px) {
  .mobile-nav-toggle {
    display: block;
    position: fixed;
    top: 0.8rem;
    right: 1rem;
    z-index: 120;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  }

  .nav-container {
    justify-content: flex-end;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: var(--blur-bg);
    border-radius: 18px;
    backdrop-filter: blur(14px);
    padding: 1rem;
    position: fixed;
    right: 0.75rem;
    top: 4.3rem;
    width: 82vw;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
    animation: slideDown 0.4s ease forwards;
    overflow-y: auto;
    max-height: 75vh;
    z-index: 110;
  }

  .nav-menu.show,
  .nav-menu.open {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .nav-item > a,
  .nav-item > .nav-btn {
    display: block;
    width: 100%;
    padding: 0.8rem 0.9rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    margin-bottom: 0.25rem;
    text-align: left;
  }

  .nav-item > a:hover,
  .nav-item > .nav-btn:hover {
    background: rgba(59, 130, 246, 0.15);
  }

  /* Dropdown mobil */
  .dropdown {
    display: none;
    flex-direction: column;
    position: relative;
    background: none;
    box-shadow: none;
    padding-left: 1.2rem;
    padding-top: 0.3rem;
  }

  .nav-item.open .dropdown {
    display: flex;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

/* ===========================
   FOOTER
   =========================== */
footer {
  text-align: center;
  padding: 1rem;
  color: #9ca3af;
  font-size: 0.85rem;
}