*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg:         #f0ebe0;
  --bg2:        #e8e3d8;
  --bg3:        #ddd8cc;
  --border:     #2d2d2d;
  --border2:    #c4bfb3;
  --text:       #111111;
  --muted:      #5c5c4d;
  --accent:     #f0a500;
  --accent-dim: #7a5400;
  --on-accent:  #111110;
  --err:        #cc2200;
  --ok:         #1a5c35;
  --warn:       #9a5200;
  --warn-bg:    #e07b00;
  --info:       #1a7fbf;
  --header-bg:  #ddd8cc;
  --header-fg:  #111111;
  --sidebar-w:  240px;
  --topbar-h:   52px;
  /* Type scale — never render text below --fs-min. */
  --fs-min:  11px;
  --fs-body: 13px;
  --fs-kpi:  24px;
}
[data-theme="dark"] {
  --bg:         #111110;
  --bg2:        #1a1a17;
  --bg3:        #252520;
  --border:     #555550;
  --border2:    #333330;
  --text:       #f0ebe0;
  --muted:      #999988;
  --accent:     #f0a500;
  --accent-dim: #c47a00;
  --on-accent:  #111110;
  --err:        #ff4422;
  --ok:         #2cb67d;
  --warn:       #e0a04a;
  --warn-bg:    #b35f00;
  --info:       #4aa8e0;
  --header-bg:  #252520;
  --header-fg:  #f0ebe0;
}
html, body { height: 100%; overflow: hidden; }
body {
  font-family: 'Space Mono', monospace;
  background: var(--bg);
  color: var(--text);
  font-size: var(--fs-body);
  line-height: 1.5;
}
/* Semantic buttons render exactly like the divs they replaced. */
button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  text-align: inherit;
  line-height: inherit;
  letter-spacing: inherit;
}
/* Keyboard focus — visible everywhere, beats inline `outline:none`. */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent) !important;
  outline-offset: 2px;
  z-index: 1;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: #888; }
#root { height: 100%; }

#tweaks-panel {
  display: none;
  position: fixed;
  bottom: 16px;
  right: 16px;
  width: 260px;
  background: var(--bg);
  border: 1px solid var(--border);
  z-index: 9999;
  box-shadow: 3px 3px 0 var(--border);
}
#tweaks-panel.visible { display: block; }
#tweaks-panel h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--accent);
  color: var(--on-accent);
}
#tweaks-panel .tw-row {
  padding: 8px 12px;
  border-bottom: 1px solid var(--bg3);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
#tweaks-panel label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
#tweaks-panel select, #tweaks-panel input[type=range] {
  width: 100%;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  border: 1px solid var(--border);
  background: var(--bg2);
  padding: 4px;
  outline: none;
}
#tweaks-panel input[type=checkbox] { accent-color: var(--accent); }
.tw-check { flex-direction: row !important; align-items: center; gap: 8px !important; }

@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes tick-up { 0% { color: var(--ok); } 100% { color: var(--text); } }
@keyframes tick-down { 0% { color: var(--err); } 100% { color: var(--text); } }
@keyframes slide-in { from { transform: translateY(-8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes loader-stamp {
  0%, 100% { background: var(--bg3); box-shadow: 2px 2px 0 var(--border); transform: translateY(0); }
  40%, 60% { background: var(--accent); box-shadow: 0 0 0 var(--border); transform: translateY(2px); }
}
.loader-block { border: 1px solid var(--border); animation: loader-stamp 1.05s ease-in-out infinite; }
.pulse-green { animation: pulse-dot 1.4s infinite; background: #2cb67d; }
.pulse-amber { animation: pulse-dot 1s infinite; background: var(--accent); }
.pulse-red   { animation: pulse-dot 0.6s infinite; background: var(--err); }
.tick-up   { animation: tick-up 1.5s ease; }
.tick-down { animation: tick-down 1.5s ease; }
.slide-in  { animation: slide-in 0.25s ease; }

/* Brutalist button — solid fill, thick border, hard offset shadow, snap-on-press. */
.brutal-btn {
  border: 2px solid var(--border) !important;
  box-shadow: 3px 3px 0 var(--border);
  font-weight: 800 !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 0 !important;
  user-select: none;
  transition: transform 0.06s ease, box-shadow 0.06s ease;
  transform: translate(0, 0);
  font-family: 'Space Mono', monospace;
}
.brutal-btn:hover:not(:disabled):not(.disabled) {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--border);
}
.brutal-btn:active:not(:disabled):not(.disabled) {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--border);
}
.brutal-btn:disabled, .brutal-btn.disabled {
  opacity: 0.55;
  cursor: not-allowed !important;
  box-shadow: 3px 3px 0 var(--border);
  transform: translate(0, 0);
}

/* Close (✕) buttons — a strong, consistent brutalist affordance so they don't
   read as meek muted glyphs. Boxed, full-contrast, accent-filled on hover. */
.icon-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  font-size: 15px;
  line-height: 1;
  font-weight: 800;
  color: var(--text);
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 0;
  cursor: pointer;
  user-select: none;
  transition: transform 0.06s ease, box-shadow 0.06s ease;
}
.icon-close:hover {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 2px 2px 0 var(--border);
  transform: translate(-1px, -1px);
}
.icon-close:active {
  box-shadow: 0 0 0 var(--border);
  transform: translate(1px, 1px);
}

/* Panel card — flat offset shadow. No hover motion: panels aren't buttons. */
.panel-card {
  border: 1px solid var(--border);
  box-shadow: 2px 2px 0 var(--border2);
}
/* Stat card — slightly more prominent shadow */
.stat-card {
  border: 1px solid var(--border);
  box-shadow: 3px 3px 0 var(--border2);
}

/* ─── Toasts ──────────────────────────────────────────────────────────────── */
#toast-host {
  position: fixed;
  top: calc(var(--topbar-h) + 12px);
  right: 16px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 360px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 2px solid var(--border);
  box-shadow: 3px 3px 0 var(--border);
  font-size: var(--fs-min);
  font-weight: 700;
  animation: slide-in 0.2s ease;
}
.toast[data-type="ok"]   { border-left: 6px solid var(--ok); }
.toast[data-type="err"]  { border-left: 6px solid var(--err); }
.toast[data-type="info"] { border-left: 6px solid var(--info); }
.toast .toast-action {
  border: 2px solid var(--border);
  box-shadow: 2px 2px 0 var(--border);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 800;
  font-size: var(--fs-min);
  padding: 3px 10px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.toast .toast-close {
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  flex-shrink: 0;
}

/* Session-expiry warning banner */
.session-banner {
  background: var(--warn-bg);
  color: #111110;
  font-size: var(--fs-min);
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 6px 16px;
  text-align: center;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}