/* hackerswar — "Console" theme
 * Calm, dense, monospace-first. Built for reading technical content.
 * Default: dark slate. Light mode: warm cream paper.
 */

:root[data-theme="dark"] {
  --bg:        #0E1116;       /* deep slate, NOT pure black */
  --bg-1:      #141821;       /* panel */
  --bg-2:      #1A1F2A;       /* hover / sunken */
  --bg-3:      #232938;
  --line:      #232938;
  --line-soft: #1A1F2A;
  --line-strong: #2E3548;
  --fg:        #D6D9E0;       /* warm off-white */
  --fg-soft:   #A8ADBA;
  --fg-mute:   #6E7585;
  --fg-faint:  #4A5060;
  --accent:    #5EE3D2;       /* teal-cyan, not neon */
  --accent-2:  #8AB4F8;       /* secondary blue */
  --accent-warn: #E8B872;
  --accent-err:  #E58F8F;
  --accent-ok:   #8FCFA3;
  --hl:        rgba(94,227,210,0.10);
  --code-bg:   #0A0D12;
  --selection: rgba(94,227,210,0.25);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:        #F2EEE5;       /* warm cream paper */
  --bg-1:      #ECE7DA;
  --bg-2:      #E4DECD;
  --bg-3:      #D9D2BD;
  --line:      #C9C0A8;
  --line-soft: #DCD4BF;
  --line-strong: #A89C7E;
  --fg:        #1B1A17;
  --fg-soft:   #3D3A33;
  --fg-mute:   #6A6356;
  --fg-faint:  #8E8775;
  --accent:    #1A6B5F;       /* deep teal */
  --accent-2:  #2C5AA0;
  --accent-warn: #8A5A0F;
  --accent-err:  #952424;
  --accent-ok:   #2D6B3D;
  --hl:        rgba(26,107,95,0.10);
  --code-bg:   #E8E2D1;
  --selection: rgba(26,107,95,0.20);
  color-scheme: light;
}

:root {
  --mono: "JetBrains Mono", "SF Mono", "Menlo", ui-monospace, monospace;
  --sans: "Inter", -apple-system, system-ui, sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --readfont: var(--mono);
  --base: 14px;
  --read-base: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
html { scroll-padding-top: 100px; }
body {
  font-family: var(--mono);
  font-size: var(--base);
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "calt", "ss02";
}
a { color: inherit; text-decoration: none; }
a.lnk { color: var(--accent); border-bottom: 1px dashed currentColor; }
a.lnk:hover { background: var(--hl); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
::selection { background: var(--selection); }

/* — Window chrome layout — single-page app shell — */
.app {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

/* TOP BAR — like an editor header */
.topbar {
  display: grid;
  grid-template-columns: 240px 1fr auto;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--bg-1);
  padding: 0;
  height: 44px;
  font-size: 12px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 0 14px;
  height: 100%;
  border-right: 1px solid var(--line);
  cursor: pointer;
  user-select: none;
}
.topbar-brand .sigil {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.02em;
}
.topbar-brand .sigil .bracket { color: var(--fg-mute); }
.topbar-brand .name { color: var(--fg); font-weight: 500; letter-spacing: 0.02em; }
.topbar-brand .ver { color: var(--fg-mute); font-size: 10px; margin-left: auto; }

.topbar-path {
  display: flex; align-items: center; gap: 8px;
  padding: 0 14px;
  color: var(--fg-mute);
  font-size: 12px;
  overflow: hidden;
  white-space: nowrap;
}
.topbar-path .seg { color: var(--fg-soft); }
.topbar-path .seg:last-child { color: var(--fg); }
.topbar-path .sep { color: var(--fg-faint); }

.topbar-tools {
  display: flex; align-items: stretch; height: 100%;
}
.topbar-tools .tool {
  padding: 0 12px;
  display: flex; align-items: center; gap: 8px;
  border-left: 1px solid var(--line);
  color: var(--fg-mute);
  font-size: 11px;
  letter-spacing: 0.02em;
  transition: background-color .12s, color .12s;
  cursor: pointer;
}
.topbar-tools .tool:hover { background: var(--bg-2); color: var(--fg); }
.topbar-tools .tool.primary { color: var(--accent); }
.topbar-tools kbd {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--fg-mute);
  background: var(--bg);
}

/* Layout: sidebar + main */
.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 0;
}
@media (max-width: 880px) { .shell { grid-template-columns: 1fr; } }

.sidebar {
  border-right: 1px solid var(--line);
  background: var(--bg-1);
  padding: 16px 0;
  font-size: 12px;
  position: sticky;
  top: 44px;
  align-self: start;
  height: calc(100vh - 44px);
  overflow-y: auto;
}
@media (max-width: 880px) { .sidebar { display: none; } }
.sidebar-section { padding: 0 0 12px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.sidebar-section:last-child { border-bottom: 0; }
.sidebar-h {
  padding: 4px 14px;
  color: var(--fg-faint);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.sidebar-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 14px;
  cursor: pointer;
  color: var(--fg-soft);
  border-left: 2px solid transparent;
  transition: background-color .1s, color .1s, border-color .1s;
  font-size: 12px;
}
.sidebar-item:hover { background: var(--bg-2); color: var(--fg); }
.sidebar-item.active { color: var(--accent); border-left-color: var(--accent); background: var(--bg-2); }
.sidebar-item .glyph { color: var(--fg-faint); width: 16px; text-align: center; flex-shrink: 0; }
.sidebar-item.active .glyph { color: var(--accent); }
.sidebar-item .count { margin-left: auto; color: var(--fg-faint); font-size: 10px; }

.main {
  min-width: 0;
  background: var(--bg);
}

/* Status bar at bottom */
.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  height: 26px;
  border-top: 1px solid var(--line);
  background: var(--bg-1);
  font-size: 11px;
  color: var(--fg-mute);
  font-family: var(--mono);
}
.statusbar-left, .statusbar-right { display: flex; gap: 16px; align-items: center; }
.statusbar .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-ok);
  display: inline-block;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.statusbar .key { color: var(--accent); }

/* Common: hairline labels */
.label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.label.accent { color: var(--accent); }

/* Tags */
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--fg-soft);
  letter-spacing: 0.02em;
  background: var(--bg-1);
}
.tag.accent { color: var(--accent); border-color: var(--accent); }
.tag.warn { color: var(--accent-warn); border-color: var(--accent-warn); }
.tag.err { color: var(--accent-err); border-color: var(--accent-err); }
.tag.ok { color: var(--accent-ok); border-color: var(--accent-ok); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  background: var(--bg-1);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  border-radius: 2px;
  transition: all .12s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 500; }
.btn.primary:hover { background: var(--bg); color: var(--accent); }
.btn.danger:hover { border-color: var(--accent-err); color: var(--accent-err); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--fg-mute); }
.btn.ghost:hover { color: var(--fg); border-color: var(--line-strong); background: var(--bg-1); }

/* Inputs */
.input, .textarea, .select {
  width: 100%;
  font-family: var(--mono);
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--fg);
  border-radius: 2px;
  outline: none;
  transition: border-color .12s;
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--accent); }
.textarea { resize: vertical; min-height: 80px; line-height: 1.6; }

/* Page header bar */
.page-header {
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  position: sticky;
  top: 44px;
  z-index: 30;
}
.page-header h1 {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  margin: 0;
  letter-spacing: 0.01em;
}
.page-header h1 .prompt { color: var(--accent); margin-right: 8px; }
.page-header h1 .arg { color: var(--fg-mute); margin-left: 8px; font-weight: 400; }

/* Container for page content */
.page { padding: 24px; }

/* Reset transitions */
html, body, .topbar, .sidebar, .statusbar, .btn, .input, .tag {
  transition: background-color .15s, color .15s, border-color .15s;
}