:root {
  --nav-width-expanded: 200px;
  --nav-size-collapsed: 48px;
  --nav-border-radius: 16px;
  --nav-transition-speed: 0.25s;
  --nav-transition-easing: cubic-bezier(0.2, 0.8, 0.2, 1);
  --nav-expanded-height: 48px;
  --app-viewport-height: 100vh;
}

body {
  background-color: var(--bg);
  margin: 0;
  font-family: sans-serif;
  overflow: hidden;
  height: var(--app-viewport-height);
  animation: bgblacktoreg 1s forwards;
}

@keyframes bgblacktoreg {
  0%, 99.9% { background-color: #050505; }
  100% { background-color: var(--bg); }
}

#iframe-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--app-viewport-height);
  z-index: 1;
}

#content_frame {
  width: 100%;
  height: 100%;
  border: none;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: scale(1);
}

#content_frame.nav-transitioning {
  opacity: 0;
  transform: scale(0.98);
}

#menu-dismiss-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  background: rgba(10, 17, 29, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#menu-dismiss-overlay.active {
  pointer-events: auto;
  opacity: 1;
}

@keyframes pulse {
  0% {
    transform: scale(1.02);
  }
  50% {
    transform: scale(0.98);
  }
  100% {
    transform: scale(1.02);
  }
}

.ui-card-base {
  background-color: var(--fourth-bg);
  border-radius: 16px;
  border: 1.5px solid rgba(var(--cb), 0.08);
}

#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--app-viewport-height);
  z-index: 1000;
  background-color: rgba(10, 17, 29, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

#loading-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

#loading-logo {
  width: 60px;
  height: 60px;
  position: relative;
  animation: loadinglogospinthing 0.8s linear infinite;
  transition: opacity 0.3s ease-in-out;
}

@keyframes loadinglogospinthing {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.nav-container {
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 15;
  padding: 10px;
  display: flex;
  align-items: flex-end;
}

@keyframes shownavbox {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.nav-box {
  border-radius: var(--nav-border-radius);
  cursor: default;
  overflow: hidden;
  position: relative;
  width: var(--nav-size-collapsed);
  height: var(--nav-size-collapsed);
  background-color: var(--fourth-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(var(--cb), 0.1);
  transition: all var(--nav-transition-speed) var(--nav-transition-easing),
    transform 0.25s ease !important;
  animation: shownavbox 0.3s ease 1s both; 
}

.nav-box-content {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  box-sizing: border-box;
}

.current-page-icon {
  color: rgba(var(--cb));
  font-size: 26px;
  position: absolute;
  left: 22px;
  bottom: -4px;
  transform: translate(-50%, -50%);
  transform-origin: center center;
  transition: 0.2s ease-in-out;
}

.nav-list {
  list-style: none;
  padding: 9px 8px;
  margin: 0;
  box-sizing: border-box;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.1s ease-out, visibility 0s linear 0.1s;
}

.nav-list-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 9px 13px;
  box-sizing: border-box;
  border-radius: 10px;
  transition: 0.18s ease;
  cursor: default;
  user-select: none;
}

.nav-list-item.disabled {
    opacity: 0.5;
    filter: grayscale(1);
}
.nav-list-item.disabled:hover {
    background: transparent !important;
}

.nav-tag {
  background-color: rgba(var(--cb), 0.08);
  color: rgba(var(--cb), 0.55);
  font-size: 11.5px;
  font-weight: 400;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 6px;
  margin-left: 6px;
  margin-right: 2px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-list-item i {
  color: rgba(var(--cb));
  font-size: 22px;
  flex-shrink: 0;
  margin-right: 12px;
  transition: 0.3s ease;
}

.nav-list-item:hover i {
  transform: scale(1.11);
}

.nav-list-item:hover .nav-text {
  margin-left: 1.5px;
}


.nav-list-item.active i {
  transform: scale(1.08);
}

.nav-list-item.active .nav-text {
  margin-left: 1px;
}

.nav-list-item .nav-text {
  color: rgba(var(--cb));
  font-size: 16px;
  white-space: nowrap;
  transition: 0.3s ease;
}

.nav-list-item:hover {
  background-color: rgba(var(--cb), 0.1);
}

.nav-list-item.active {
  background-color: rgba(var(--cb), 0.2);
}

.nav-list .divider {
  height: 1.5px;
  width: calc(100% - 16px);
  background-color: rgba(var(--cb), 0.15);
  margin: 6px 8px;
  border-radius: 1px;
}

.nav-container.hover-active .nav-box {
  width: var(--nav-width-expanded);
  height: var(--nav-expanded-height);
  transform: scale(1) !important;
  box-shadow: none !important;
}

.nav-container.hover-active .current-page-icon {
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
}

.nav-container.hover-active .nav-list {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.2s ease-in-out 0.15s, visibility 0s linear 0.15s;
}

.side-actions {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-left: 7px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.1s ease-out;
}

.nav-container.hover-active .side-actions {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.2s ease-in-out 0.15s;
}

.side-action-btn {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  border: 1.5px solid rgba(var(--cb), 0.1);
  background-color: var(--fourth-bg);
  color: rgba(var(--cb));
  display: flex;
  align-items: center;
  justify-content: flex-start;
  font-size: 24px;
  transition: 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 0;
  padding: 0;
}

.side-action-btn:hover {
  background-color: var(--secondary-bg);
  width: 132px;
}

.side-action-btn.active {
  background-color: rgba(var(--cb), 0.2);
  box-shadow: 0 0 10px rgba(var(--cb), 0.1);
}

.side-action-btn i {
  flex-shrink: 0;
  width: 48px;
  text-align: center;
  margin-left: 0px;
}

.side-action-btn .side-btn-label {
  font-size: 15px;
  font-weight: 500;
  color: rgba(var(--cb));
  opacity: 0;
  overflow: hidden;
  transition: opacity 0.4s ease;
  white-space: nowrap;
}

.side-action-btn:hover .side-btn-label {
  opacity: 1;
  transition: opacity 0.2s ease 0.04s;
}


.update-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(var(--bc), 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.update-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.update-modal-card {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 101;
  width: 400px;
  border-radius: 18px !important;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.98);
  transition: opacity 0.2s ease, 
              transform 0.2s ease, 
              height 0.2s ease;
  border: 1.5px solid rgba(var(--cb), 0.08);
  background-color: var(--fourth-bg);
  overflow: hidden;
}

.update-modal-card.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.update-modal-card.hiding {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.98);
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              height 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.update-content {
  width: 100%;
  padding: 34px 15px 11px 15px;
  box-sizing: border-box;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.update-content.slide-in-right {
  transform: translateX(20px);
  opacity: 0;
}

.update-content.slide-in-left {
  transform: translateX(-20px);
  opacity: 0;
}

.update-content.slide-out-left {
  transform: translateX(-20px);
  opacity: 0;
}

.update-content.slide-out-right {
  transform: translateX(20px);
  opacity: 0;
}

.update-content.active {
  transform: translateX(0);
  opacity: 1;
}

.update-emoji {
  font-size: 48px;
  margin: 0 auto 16px auto;
  text-align: center;
  line-height: 1;
  user-select: none;
}

.update-title {
  color: rgba(var(--cb), 1);
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 12px 0;
}

.update-firsttext {
  color: rgba(var(--cb), 0.85);
  font-size: 15px;
  text-align: center;
  line-height: 1.5;
  margin: 0 0 12px 0;
}

.update-secondtext {
  color: rgba(var(--cb), 0.5);
  font-size: 14px;
  text-align: center;
  line-height: 1.5;
  margin: 0 0 16px 0;
}

.update-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0;
  padding-top: 12px;
  padding-bottom: 4px;
}

.update-dots {
  display: flex;
  gap: 6px;
  align-items: center;
  padding-left: 8px;
}

.update-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(var(--cb), 0.25);
  transition: all 0.2s ease;
  cursor: pointer;
}

.update-dot.active {
  background-color: rgba(var(--cb), 0.9);
  transform: scale(1.3);
}

.update-button {
  background-color: var(--button-bg, rgba(var(--cb), 0.1));
  color: rgba(var(--cb), 1);
  border: none;
  padding: 12px 22px;
  font-size: 18px;
  font-weight: 700;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.2s ease;
  outline: none;
}

.update-button:hover {
  background-color: var(--button-hover, rgba(var(--cb), 0.2));
}

.update-button i {
  vertical-align: middle;
  margin-left: 4px;
  margin-right: 4px;
}