:root {
  --mc-bg: #c6c6c6;
  --mc-border-light: #ffffff;
  --mc-border-dark: #555555;
  --mc-border-darker: #373737;
  --mc-text: #3c3c3c;
  --mc-text-highlight: #ffffff;
  --mc-text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
  
  --accent: #3b6fd9;
  --accent-hover: #5c8bff;
  
  --tab-height: 48px;
  font-family: "Courier New", Courier, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

.mc-canvas-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  image-rendering: pixelated;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 1rem;
}

.view {
  display: none;
  flex: 1;
  flex-direction: column;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  background-color: var(--mc-bg);
  border: 4px solid var(--mc-border-darker);
  border-top-color: var(--mc-border-light);
  border-left-color: var(--mc-border-light);
  box-shadow: inset -4px -4px 0 rgba(0,0,0,0.1), 0 10px 30px rgba(0,0,0,0.5);
}

.view--active {
  display: flex;
}

.btn {
  background: var(--mc-bg);
  color: var(--mc-text);
  border: 2px solid var(--mc-border-darker);
  border-top-color: var(--mc-border-light);
  border-left-color: var(--mc-border-light);
  border-radius: 0;
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: bold;
  cursor: pointer;
  box-shadow: inset -2px -2px 0 var(--mc-border-dark);
}

.btn:hover {
  background: #d0d0d0;
  outline: 2px solid #ffffff;
  outline-offset: -2px;
}

.btn--primary {
  background: #3c8527;
  color: white;
  text-shadow: var(--mc-text-shadow);
  border-top-color: #55ff55;
  border-left-color: #55ff55;
  border-bottom-color: #225511;
  border-right-color: #225511;
  box-shadow: none;
}

.btn--primary:hover {
  background: #4ab032;
  outline: 2px solid #ffffff;
}

.tab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: #8b8b8b;
  border-bottom: 2px solid var(--mc-border-darker);
  color: white;
  text-shadow: var(--mc-text-shadow);
}

.tab-header__title {
  font-weight: bold;
  font-size: 1.25rem;
}

.header-controls {
  display: flex;
  gap: 0.5rem;
}

.lang-switcher {
  background: var(--mc-bg);
  color: var(--mc-text);
  border: 2px solid var(--mc-border-dark);
  border-bottom-color: var(--mc-border-light);
  border-right-color: var(--mc-border-light);
  padding: 0.25rem 0.5rem;
  font: inherit;
  font-weight: bold;
  cursor: pointer;
  outline: none;
  border-radius: 0;
}

.tab-bar-wrap {
  display: flex;
  align-items: stretch;
  background: #8b8b8b;
  border-bottom: 4px solid var(--mc-border-darker);
  min-height: var(--tab-height);
  padding-top: 4px;
}

.tab-bar {
  display: flex;
  overflow-x: auto;
  flex: 1;
  scrollbar-width: thin;
  padding-left: 4px;
}

.tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1rem;
  border: 2px solid transparent;
  background: transparent;
  color: #dddddd;
  cursor: pointer;
  white-space: nowrap;
  font: inherit;
  font-weight: bold;
  min-height: var(--tab-height);
  flex-shrink: 0;
  text-shadow: var(--mc-text-shadow);
  user-select: none;
}

.tab:hover {
  background: rgba(255, 255, 255, 0.1);
}

.tab--active {
  background: var(--mc-bg);
  color: var(--mc-text);
  text-shadow: none;
  border: 4px solid var(--mc-border-darker);
  border-top-color: var(--mc-border-light);
  border-left-color: var(--mc-border-light);
  border-bottom: 4px solid var(--mc-bg);
  margin-bottom: -4px;
  z-index: 2;
}

.tab__icon {
  font-size: 1.1rem;
}

/* NEU: Button für Vollbild auf dem Tab */
.tab__fullscreen {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1;
  padding: 0;
  margin-left: 0.25rem;
}

.tab__fullscreen:hover {
  background: #5555ff;
  color: white;
  border-color: #0000aa;
  border-top-color: #aaaaff;
  border-left-color: #aaaaff;
  text-shadow: var(--mc-text-shadow);
}

.tab__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1;
  padding: 0;
}

.tab__close:hover {
  background: #ff5555;
  color: white;
  border-color: #aa0000;
  border-top-color: #ffaaaa;
  border-left-color: #ffaaaa;
  text-shadow: var(--mc-text-shadow);
}

.tab-bar-add {
  position: relative;
  display: flex;
  align-items: stretch;
}

.btn-add {
  width: 48px;
  border: none;
  background: transparent;
  color: white;
  font-size: 1.8rem;
  font-weight: bold;
  cursor: pointer;
  line-height: 1;
  text-shadow: var(--mc-text-shadow);
}

.btn-add:hover,
.btn-add[aria-expanded="true"] {
  background: var(--mc-bg);
  color: var(--mc-text);
  text-shadow: none;
  border: 4px solid var(--mc-border-darker);
  border-top-color: var(--mc-border-light);
  border-left-color: var(--mc-border-light);
  border-bottom: 4px solid var(--mc-bg);
  margin-bottom: -4px;
  z-index: 2;
}

.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 260px;
  background: var(--mc-bg);
  border: 4px solid var(--mc-border-darker);
  border-top-color: var(--mc-border-light);
  border-left-color: var(--mc-border-light);
  z-index: 20;
  padding: 4px;
  box-shadow: 10px 10px 0 rgba(0,0,0,0.3);
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.75rem;
  border: 2px solid transparent;
  background: transparent;
  color: var(--mc-text);
  font: inherit;
  font-weight: bold;
  text-align: left;
  cursor: pointer;
}

.dropdown__item:hover {
  background: #a0a0a0;
  border-color: var(--mc-border-darker);
  border-top-color: var(--mc-border-light);
  border-left-color: var(--mc-border-light);
}

.dropdown__empty {
  padding: 1rem;
  color: var(--mc-border-dark);
  font-weight: bold;
  text-align: center;
}

.tab-panels {
  flex: 1;
  position: relative;
  background: var(--mc-bg);
  padding: 4px;
}

.tab-panel {
  display: none;
  position: absolute;
  inset: 4px;
  border: 4px solid var(--mc-border-darker);
  border-bottom-color: var(--mc-border-light);
  border-right-color: var(--mc-border-light);
  background: #000;
}

.tab-panel--active {
  display: block;
}

.tab-panel iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--mc-bg);
}

.tab-panel__loading,
.tab-panel__fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
  background: var(--mc-bg);
  color: var(--mc-text);
  font-weight: bold;
}

.tab-panel__loading[hidden],
.tab-panel__fallback[hidden] {
  display: none;
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 6px solid var(--mc-border-dark);
  border-top-color: var(--mc-border-light);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.mc-footer {
  text-align: center;
  padding-top: 0.75rem;
  color: #aaaaaa;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.8);
  font-weight: bold;
  font-size: 0.9rem;
}

/* Bedrock Theme */
body.theme-bedrock {
  --mc-bg: #48494a;
  --mc-border-light: #6e6f70;
  --mc-border-dark: #313233;
  --mc-border-darker: #1e1e1f;
  --mc-text: #ffffff;
}

body.theme-bedrock .tab-header,
body.theme-bedrock .tab-bar-wrap {
  background: #313233;
}

body.theme-bedrock .dropdown__item:hover {
  background: #5c5c5c;
}

/* Vollbild Modus */
body.is-fullscreen #app {
  padding: 0;
}

body.is-fullscreen .tab-header,
body.is-fullscreen .tab-bar-wrap,
body.is-fullscreen .mc-footer {
  display: none;
}

body.is-fullscreen .view {
  border: none;
  max-width: 100%;
  margin: 0;
  padding-top: 28px;
  box-shadow: none;
}

body.is-fullscreen .tab-panels {
  padding: 0;
}

body.is-fullscreen .tab-panel {
  inset: 0;
  border: none;
}

.fullscreen-bar {
  position: fixed;
  top: 0; 
  left: 0; 
  right: 0;
  height: 28px;
  background: #8b8b8b;
  border-bottom: 2px solid var(--mc-border-darker);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

body.theme-bedrock .fullscreen-bar {
  background: #313233;
}

.fullscreen-title {
  color: white;
  font-weight: bold;
  text-shadow: var(--mc-text-shadow);
  font-size: 0.85rem;
}

.fullscreen-controls {
  display: flex;
  gap: 15px;
}

.btn-fs {
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  text-shadow: var(--mc-text-shadow);
  transition: transform 0.1s;
}

.btn-fs:hover {
  color: #ffff55;
  transform: scale(1.2);
}

.btn-fs--close:hover {
  color: #ff5555;
}