/* ================================
   TOP NAVIGATION BAR
   Floating Top mit Logo, Such und Profil
   ================================ */

/* Modernisierte Top-Navigation im Apple-Stil */
.floating-top {
  background: transparent;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: none;
  box-shadow: none;
  position: fixed;
  top: 0;
  left: 50px;
  right: 0;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1200;
}

.floating-top::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, 
    var(--bg-primary) 0%, 
    transparent 100%);
  opacity: 0.95;
  z-index: -1;
}

body.sidebar-expanded .floating-top {
  left: 250px;
}

/* Logo */
.floating-top .logo {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  position: relative;
  transition: all 0.3s var(--transition-bounce);
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-v-logo {
  width: 3.5rem;
  height: 3.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-right: -0.6rem;
  position: relative;
  top: 0.3rem;
}

.nav-v-logo svg {
  width: 100%;
  height: 100%;
}

.nav-venture-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.15em;
  font-weight: 700;
  display: inline-flex;
}

/* Letter Fade Animation */
.letter-fade {
  display: inline-block;
  opacity: 0;
  animation: letterFadeIn 0.6s ease-out forwards;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.letter-fade-dark {
  display: inline-block;
  opacity: 0;
  animation: letterFadeIn 0.6s ease-out forwards;
  color: #000 !important;
  font-weight: 700;
  letter-spacing: 0.15em;
  -webkit-text-fill-color: #000 !important;
  background: none !important;
  -webkit-background-clip: unset !important;
}

body.dark-mode .letter-fade-dark {
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
}

@keyframes letterFadeIn {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.8);
    filter: blur(5px);
  }
  60% {
    opacity: 0.8;
    transform: translateY(-3px) scale(1.05);
    filter: blur(0px);
  }
  80% {
    transform: translateY(2px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0px);
  }
}

/* V-Logo Animationen */
.nav-v-left {
  animation: navVLeftRotate 2s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

@keyframes navVLeftRotate {
  0% {
    transform: rotate(-180deg) translateX(-120px) scale(0.3);
    opacity: 0;
    filter: blur(10px) brightness(2);
  }
  30% {
    opacity: 0.5;
    filter: blur(5px) brightness(1.5);
  }
  60% {
    transform: rotate(-20deg) translateX(-10px) scale(1.1);
    opacity: 1;
    filter: blur(0px) brightness(1.2);
  }
  80% {
    transform: rotate(5deg) translateX(5px) scale(1.05);
    filter: blur(0px) brightness(1);
  }
  100% {
    transform: rotate(0deg) translateX(0) scale(1);
    opacity: 1;
    filter: blur(0px) brightness(1);
  }
}

.nav-v-right {
  animation: navVRightRotate 2s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.15s forwards;
}

@keyframes navVRightRotate {
  0% {
    transform: rotate(180deg) translateX(120px) scale(0.3);
    opacity: 0;
    filter: blur(10px) brightness(2);
  }
  30% {
    opacity: 0.5;
    filter: blur(5px) brightness(1.5);
  }
  60% {
    transform: rotate(20deg) translateX(10px) scale(1.1);
    opacity: 1;
    filter: blur(0px) brightness(1.2);
  }
  80% {
    transform: rotate(-5deg) translateX(-5px) scale(1.05);
    filter: blur(0px) brightness(1);
  }
  100% {
    transform: rotate(0deg) translateX(0) scale(1);
    opacity: 1;
    filter: blur(0px) brightness(1);
  }
}

.nav-v-shape {
  filter: drop-shadow(0 0 8px rgba(0, 116, 217, 0.4));
}

.nav-v-shape-left {
  filter: drop-shadow(0 0 10px rgba(0, 116, 217, 0.5));
}

.nav-v-shape-right {
  filter: drop-shadow(0 0 8px rgba(123, 44, 191, 0.3));
}

.floating-top .logo:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.floating-top .logo::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 10px;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}

.floating-top .logo:hover::after {
  width: calc(100% - 20px);
}

/* Suchfeld */
.floating-top .search-container {
  position: relative;
  flex: 0 1 400px;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.search-input {
  width: 100%;
  height: 40px;
  padding: 0 16px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: all 0.3s var(--transition-bounce);
  box-shadow: var(--shadow-sm);
  margin: 0;
}

.search-input:focus {
  background: var(--input-bg);
  border-color: #0ea5e9;
  box-shadow: none;
  transform: translateY(-2px);
  outline: none;
}

body.dark-mode .search-input {
  background: var(--input-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}

body.dark-mode .search-input::placeholder {
  color: var(--text-secondary);
}

body.dark-mode .search-input:focus {
  background: rgba(40, 40, 40, 0.95);
  border-color: #0ea5e9;
  box-shadow: none;
}

/* Top Right Buttons */
.floating-top .top-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.floating-top .top-right img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  transition: all 0.3s var(--transition-bounce);
  border: 3px solid transparent;
  background: linear-gradient(white, white) padding-box,
              var(--primary-gradient) border-box;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.floating-top .top-right img:hover {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 6px 20px rgba(30, 136, 229, 0.4);
  border-width: 3px;
}

body.dark-mode .floating-top .top-right img {
  background: linear-gradient(#1a1a1a, #1a1a1a) padding-box,
              var(--primary-gradient) border-box;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

body.dark-mode .floating-top .top-right img:hover {
  box-shadow: 0 6px 20px rgba(30, 136, 229, 0.6);
}

/* Notification/Chat Buttons */
.floating-top .notif-btn {
  position: relative;
  background: transparent;
  border: none;
  border-radius: 12px;
  padding: 8px;
  font-size: 1.2rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s var(--transition-bounce);
  box-shadow: none;
  overflow: visible;
}

.floating-top .notif-btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: none;
}

.floating-top .notif-btn i {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all 0.3s var(--transition-bounce);
}

.floating-top .notif-btn:hover i {
  transform: scale(1.1);
  animation: pulse 1s infinite;
}

/* Badge */
.floating-top .notif-btn .badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: linear-gradient(135deg, #FF3D00 0%, #FF1744 100%);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--top-bar-bg);
  animation: glow 2s infinite, pulse 1.5s infinite;
  transition: all 0.3s var(--transition-bounce);
  box-shadow: 0 2px 8px rgba(255, 23, 68, 0.4);
  z-index: 1;
}

.floating-top .notif-btn:hover .badge {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(255, 23, 68, 0.6);
}

@keyframes glow {
  0% { box-shadow: 0 0 5px rgba(30, 136, 229, 0.5); }
  50% { box-shadow: 0 0 15px rgba(30, 136, 229, 0.8); }
  100% { box-shadow: 0 0 5px rgba(30, 136, 229, 0.5); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* Dark Mode Toggle */
.dark-mode-toggle {
  position: relative;
  background: transparent;
  border: none;
  border-radius: 12px;
  padding: 8px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s var(--transition-bounce);
  box-shadow: none;
  overflow: visible;
}

body.dark-mode .dark-mode-toggle {
  background: transparent;
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
  box-shadow: none;
}

.dark-mode-toggle i {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all 0.3s var(--transition-bounce);
}

.dark-mode-toggle:hover i {
  transform: scale(1.1);
}

body.dark-mode .dark-mode-toggle i {
  color: var(--primary-teal);
}

/* Dark Mode für Buttons */
body.dark-mode .floating-top .notif-btn {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

body.dark-mode .floating-top .notif-btn:hover {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

body.dark-mode .floating-top .notif-btn i {
  background: linear-gradient(135deg, #1E88E5, #00BCD4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.dark-mode .floating-top .notif-btn:hover i {
  background: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

body.dark-mode .floating-top .notif-btn .badge {
  background: linear-gradient(135deg, #1E88E5, #00BCD4) !important;
  border-color: rgba(30, 30, 30, 0.9) !important;
  box-shadow: 0 0 15px rgba(30, 136, 229, 0.6) !important;
}

/* Dark Mode für V-Logo */
body.dark-mode .nav-v-right {
  filter: invert(1) brightness(1.2) drop-shadow(0 0 8px rgba(255, 255, 255, 0.3));
}

/* Dark Mode für Login/Logout Links */
body.dark-mode .floating-top .btn-link {
  background: rgba(30, 30, 30, 0.9) !important;
  border: 2px solid #334155 !important;
  border-radius: 12px !important;
  padding: 8px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

body.dark-mode .floating-top .btn-link:hover {
  background: linear-gradient(135deg, #1E88E5, #00BCD4) !important;
  border-color: #1E88E5 !important;
  box-shadow: 0 0 20px rgba(30, 136, 229, 0.4), 0 4px 16px rgba(0, 0, 0, 0.4) !important;
  transform: translateY(-4px) scale(1.05) !important;
}

body.dark-mode .floating-top .btn-link i {
  background: linear-gradient(135deg, #1E88E5, #00BCD4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.2rem;
}

body.dark-mode .floating-top .btn-link:hover i {
  background: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
  transform: scale(1.1);
}