* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-dark: #1a1b26;
  --bg-darker: #16161e;
  --bg-light: #24283b;
  --fg: #c0caf5;
  --fg-dim: #565f89;
  --accent: #7aa2f7;
  --accent2: #bb9af7;
  --string: #9ece6a;
  --keyword: #ff9e64;
  --function: #7aa2f7;
  --comment: #565f89;
  --number: #ff9e64;
  --operator: #89ddff;
  --method: #c0caf5;
  --field: #7dcfff;
  --border: #414868;
  --cursor: #c0caf5;
}

body {
  font-family: 'Fira Code', 'JetBrains Mono', monospace;
  background: var(--bg-darker);
  color: var(--fg);
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.6;
}

.nvim-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.title-bar {
  background: var(--bg-darker);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.title-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-bar-left span {
  color: var(--fg-dim);
}

.window-controls {
  display: flex;
  gap: 8px;
}

.window-control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control-close { background: #ff5f56; }
.control-minimize { background: #ffbd2e; }
.control-maximize { background: #27c93f; }

.main-area {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-dark);
  overflow: hidden;
  position: relative;
}

.tab-bar {
  display: flex;
  background: var(--bg-darker);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tab-bar::-webkit-scrollbar {
  height: 4px;
}

.tab {
  padding: 10px 20px;
  background: var(--bg-darker);
  border-right: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  min-width: max-content;
  transition: background 0.1s;
}

.tab:hover {
  background: var(--bg-light);
}

.tab.active {
  background: var(--bg-dark);
  color: var(--accent);
}

.tab .number {
  color: var(--fg-dim);
  font-size: 11px;
  margin-right: 4px;
}

.tab .close {
  opacity: 0;
  font-size: 14px;
  transition: opacity 0.1s;
}

.tab:hover .close,
.tab.active .close {
  opacity: 1;
}

.tab .close:hover {
  color: var(--error);
}

.editor {
  flex: 1;
  overflow-y: auto;
  padding: 20px 20px 20px 60px;
  font-size: 14px;
  line-height: 1.6;
  position: relative;
}

.editor::-webkit-scrollbar {
  width: 10px;
}

.editor::-webkit-scrollbar-track {
  background: var(--bg-darker);
}

.editor::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

.gutter {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 45px;
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
  padding: 20px 8px 20px 0;
  text-align: right;
  user-select: none;
}

.gutter-line {
  font-size: 12px;
  line-height: 1.6;
  color: var(--fg-dim);
  height: 22.4px;
}

.gutter-line.current {
  color: var(--accent);
  font-weight: 600;
}

.gutter-line.relative {
  color: var(--fg-dim);
  opacity: 0.6;
}

.editor-line {
  display: block;
  min-height: 22.4px;
  height: 22.4px;
  white-space: pre;
}

.cursor-line {
  background: rgba(122, 162, 247, 0.12);
}

.keybind-waiting {
  background: rgba(187, 154, 247, 0.2);
}

.keybind-active {
  background: rgba(122, 162, 247, 0.4);
}

.syntax-keyword { color: var(--keyword); font-family: inherit; }
.syntax-string { color: var(--string); font-family: inherit; }
.syntax-function { color: var(--function); font-family: inherit; }
.syntax-comment { color: var(--comment); font-style: italic; font-family: inherit; }
.syntax-number { color: var(--number); font-family: inherit; }
.syntax-type { color: var(--accent2); font-family: inherit; }
.syntax-operator { color: var(--operator); font-family: inherit; }
.syntax-method { color: var(--method); font-family: inherit; }
.syntax-field { color: var(--field); font-family: inherit; }
.syntax-boolean { color: var(--keyword); font-family: inherit; }
.syntax-builtin { color: var(--accent2); font-family: inherit; }
.syntax-keybind { color: var(--accent); font-weight: 600; font-family: inherit; }

.contact-link {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-link:hover {
  color: var(--accent2);
  text-decoration: underline;
}

.status-bar {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  padding: 4px 16px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--fg-dim);
}

.status-left, .status-right {
  display: flex;
  gap: 20px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.command-bar {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 16px;
  display: none;
  gap: 12px;
  align-items: center;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.command-bar.visible {
  display: flex;
}

.command-bar .prompt {
  color: var(--accent);
  font-size: 12px;
}

.command-bar input {
  background: transparent;
  border: none;
  color: var(--fg);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  width: 300px;
}

.command-output {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  display: none;
  max-width: 500px;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.command-output.visible {
  display: block;
}

.vim-help {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  display: none;
  z-index: 200;
  min-width: 300px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.vim-help.visible {
  display: block;
}

.vim-help h2 {
  color: var(--accent);
  margin-bottom: 16px;
  font-size: 16px;
}

.vim-help table {
  width: 100%;
}

.vim-help td {
  padding: 6px 0;
  font-size: 13px;
}

.vim-help td:first-child {
  color: var(--accent2);
  width: 80px;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: none;
  z-index: 150;
}

.overlay.visible {
  display: block;
}

@media (max-width: 768px) {
  body {
    font-size: 12px;
    overflow-x: hidden;
  }

  .editor {
    padding: 12px 12px 12px 50px;
    overflow-x: hidden;
  }
  
  .gutter {
    width: 35px;
    padding: 12px 4px 12px 0;
  }

  .gutter-line {
    font-size: 10px;
  }

  .editor-line {
    white-space: normal;
    word-wrap: break-word;
    word-break: break-all;
    height: auto;
    min-height: 22.4px;
  }

  .tab-bar {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .tab {
    padding: 8px 12px;
    font-size: 11px;
  }

  .title-bar-left span {
    font-size: 11px;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .status-bar {
    font-size: 10px;
    padding: 4px 8px;
  }

  .status-left, .status-right {
    gap: 10px;
  }

  .command-bar {
    width: 90%;
    max-width: 300px;
  }

  .command-bar input {
    width: 100%;
  }

  .command-output {
    width: 90%;
    max-width: 350px;
    font-size: 12px;
  }

  .vim-help {
    width: 90%;
    max-width: 320px;
    padding: 16px;
    font-size: 12px;
  }
}