@font-face {
  font-family: "Symbols Nerd Font Mono";
  src: url("SymbolsNerdFontMono-Regular.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: block;
}

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

:root {
  --bg: #0d1017;
  --bg-panel: #16161e;
  --bg-titlebar: #1f2335;
  --fg: #c0caf5;
  --fg-dim: #565f89;
  --fg-muted: #3b4261;
  --border: #3b4261;
  --cursor: #c0caf5;
  --accent: #7aa2f7;
  --terminal-font: "Cascadia Code", "JetBrains Mono", "Fira Code", "SF Mono", "Consolas", "Symbols Nerd Font Mono", monospace;
}

body {
  font-family: var(--terminal-font);
  font-size: 14px;
  line-height: 1.4;
  background: var(--bg);
  color: var(--fg);
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Page layout ── */
.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 960px;
  height: 100vh;
  padding: 24px 24px 16px;
  gap: 16px;
}

/* ── Hero text ── */
.hero {
  text-align: center;
  flex-shrink: 0;
}

.hero h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.hero .tagline {
  font-size: 13px;
  color: var(--fg-dim);
  margin-top: 4px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ── Terminal window ── */
.terminal-window {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05);
}

.title-bar {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-titlebar);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  flex-shrink: 0;
  gap: 10px;
}

.traffic-lights {
  display: flex;
  gap: 7px;
}

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

.dot-close { background: #ff5f57; }
.dot-minimize { background: #febc2e; }
.dot-maximize { background: #28c840; }

.title-text {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--fg-dim);
  font-weight: 500;
}

.toggle-yaml {
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid var(--fg-muted);
  padding: 2px 10px;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  border-radius: 4px;
  transition: color 0.15s, border-color 0.15s;
}

.toggle-yaml:hover {
  color: var(--fg);
  border-color: var(--fg-dim);
}

#terminal {
  flex: 1;
  min-height: 0;
  background: var(--bg-panel);
  color: var(--fg);
  font-family: var(--terminal-font);
  font-size: 14px;
  line-height: 1.2;
  padding: 0;
  margin: 0;
  overflow: hidden;
  white-space: pre;
  outline: none;
  cursor: text;
}

#terminal div {
  white-space: pre;
}

#terminal span {
  white-space: pre;
}

/* ── YAML drawer (overlay) ── */
.yaml-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  height: 100vh;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease;
}

.yaml-drawer.hidden {
  transform: translateX(100%);
  pointer-events: none;
}

.drawer-header {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-titlebar);
  border-bottom: 1px solid var(--border);
  gap: 8px;
  flex-shrink: 0;
}

.drawer-title {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.drawer-actions {
  margin-left: auto;
  display: flex;
  gap: 6px;
  align-items: center;
}

.drawer-actions button {
  background: var(--bg);
  color: var(--fg-dim);
  border: 1px solid var(--border);
  padding: 2px 8px;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  border-radius: 2px;
}

.drawer-actions button:hover {
  color: var(--fg);
  border-color: var(--fg-dim);
}

.btn-close {
  font-size: 16px;
  line-height: 1;
  padding: 0 4px;
  border: none !important;
  background: transparent !important;
}

#yaml-editor {
  flex: 1;
  background: var(--bg-panel);
  color: var(--fg);
  border: none;
  padding: 12px;
  font-family: var(--terminal-font);
  font-size: 13px;
  line-height: 1.6;
  resize: none;
  outline: none;
  tab-size: 2;
}

/* ── Loading overlay ── */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  z-index: 100;
}

.loading.hidden {
  display: none;
}