/* ══════════════════════════════════════════════════════════════
   jev8ball — brutalist oracle interface
   Squared geometry, monospace type, one accent per verdict.
   ══════════════════════════════════════════════════════════════ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

::-webkit-scrollbar { display: none; }

:root {
  --bg: #0b0b0b;
  --bg-deep: #050505;
  --panel-bg: #0e0e0e;
  --border: #1c1c1c;
  --border-hover: #333333;
  --border-focus: #4a4a4a;
  --text: #e5e5e5;
  --text-muted: #8a8a8a;
  --text-dim: #565656;
  --accent: #38bdf8;
  --green: #10b981;
  --red: #ef4444;
  --amber: #f59e0b;
  --grid: rgba(255, 255, 255, 0.022);
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --step-1: 4px;
  --step-2: 8px;
  --step-3: 12px;
  --step-4: 18px;
  --step-5: 28px;
  --step-6: 40px;
}

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Faint engineering grid behind everything. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* ─── utilities ─── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: var(--step-3);
  z-index: 200;
  padding: var(--step-2) var(--step-3);
  background: var(--panel-bg);
  border: 1px solid var(--border-focus);
  color: var(--text);
  font-size: 0.75rem;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: var(--step-3); }

kbd {
  font-family: inherit;
  font-size: 0.9em;
  padding: 1px 4px;
  border: 1px solid var(--border);
  background: #101010;
  color: var(--text-muted);
}

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

#particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.9;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: var(--step-6) var(--step-4) var(--step-6);
}

/* ─── header ─── */
.header {
  text-align: center;
  margin-bottom: var(--step-5);
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--step-2);
  margin-bottom: var(--step-3);
  font-size: 0.7rem;
}

.brand-tag {
  color: var(--text-dim);
  text-transform: lowercase;
  letter-spacing: 0.08em;
}

.nav-actions {
  display: flex;
  gap: var(--step-1);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.68rem;
  padding: 3px 8px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}
.btn-ghost:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: #101010;
}
.btn-ghost[aria-pressed='true'] {
  color: var(--accent);
  border-color: rgba(56, 189, 248, 0.4);
}

h1 {
  font-size: clamp(1.9rem, 8vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  color: #fff;
  line-height: 1.05;
  margin-bottom: var(--step-1);
}

.subtitle-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--step-2);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  flex-wrap: wrap;
}

.subtitle {
  color: var(--text-dim);
  text-transform: lowercase;
}

.status-sep { color: #262626; }

.backend-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid transparent;
  padding: 2px 6px;
  font-family: inherit;
  font-size: 0.72rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.backend-status:hover {
  color: var(--text-muted);
  border-color: var(--border);
}

.status-dot {
  width: 6px;
  height: 6px;
  background: #333;
  display: inline-block;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}
.backend-status.online .status-dot {
  background: var(--green);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.45);
}
.backend-status.online .status-text { color: var(--text-muted); }
.backend-status.degraded .status-dot { background: var(--amber); }
.backend-status.offline .status-dot { background: var(--red); }

/* ─── oracle stage ─── */
.ball-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--step-3);
  margin-bottom: var(--step-5);
}

.ball-frame {
  position: relative;
  width: min(86vw, 344px);
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 50% 42%, rgba(56, 189, 248, 0.05) 0%, transparent 62%),
    var(--bg-deep);
  transition: border-color 0.25s ease;
}
.ball-frame:hover { border-color: var(--border-hover); }

.oracle-canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
}

/* Transparent hit target: keeps the canvas purely presentational while giving
   keyboard and touch users a proper button. */
.roll-trigger {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.roll-trigger:disabled { cursor: progress; }

.frame-corner {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  pointer-events: none;
}
.frame-corner-tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.frame-corner-tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.frame-corner-bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.frame-corner-br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.stage-hint {
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-transform: lowercase;
}

/* ─── prompt ─── */
.prompt-section { margin-bottom: var(--step-5); }

.prompt-input-wrap {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  transition: border-color 0.15s ease;
}
.prompt-input-wrap:focus-within { border-color: var(--border-focus); }

.prompt-symbol {
  display: flex;
  align-items: center;
  padding: 0 var(--step-2) 0 var(--step-3);
  color: var(--accent);
  font-size: 0.85rem;
  user-select: none;
}

.prompt-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  padding: var(--step-3) 0;
  outline: none;
}
.prompt-input::placeholder { color: #3f3f3f; }
.prompt-input:disabled { opacity: 0.5; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--step-2);
  min-width: 104px;
  border: 1px solid var(--border);
  background: #141414;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  padding: var(--step-3) var(--step-3);
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.btn:hover:not(:disabled) {
  background: #1d1d1d;
  border-color: var(--border-hover);
  color: #fff;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-ask:not(:disabled) { color: var(--text); }

.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50% !important;
  animation: spin 0.6s linear infinite;
  display: none;
}
body[data-busy='true'] .spinner { display: inline-block; }
body[data-busy='true'] #btnText { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.input-hint {
  margin-top: var(--step-2);
  font-size: 0.66rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.quick-prompts {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: var(--step-3);
  font-size: 0.7rem;
}
.quick-label { color: var(--text-dim); }
.quick-pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.68rem;
  padding: 3px 8px;
  cursor: pointer;
  transition: color 0.12s ease, border-color 0.12s ease;
}
.quick-pill:hover { border-color: var(--border-hover); color: #fff; }
.quick-pill:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── telemetry ─── */
.telemetry-card {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  margin-bottom: var(--step-5);
  transition: border-color 0.2s ease;
}
.telemetry-card[data-tone='affirmative'] { border-color: rgba(16, 185, 129, 0.35); }
.telemetry-card[data-tone='negative'] { border-color: rgba(239, 68, 68, 0.35); }
.telemetry-card[data-tone='neutral'] { border-color: rgba(56, 189, 248, 0.3); }
.telemetry-card[data-tone='offline'] { border-color: var(--border-hover); }

.telemetry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--step-2) var(--step-3);
  border-bottom: 1px solid var(--border);
  background: #080808;
}

.telemetry-title {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.telemetry-badge {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  background: #141414;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.telemetry-badge.affirmative {
  color: var(--green);
  border-color: var(--green);
  background: rgba(16, 185, 129, 0.08);
}
.telemetry-badge.neutral {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
}
.telemetry-badge.negative {
  color: var(--red);
  border-color: var(--red);
  background: rgba(239, 68, 68, 0.08);
}
.telemetry-badge.offline {
  color: var(--text-muted);
  border-color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
}
.telemetry-badge.error {
  color: var(--amber);
  border-color: var(--amber);
  background: rgba(245, 158, 11, 0.08);
}

.telemetry-body { padding: var(--step-4) var(--step-3) var(--step-3); }

.verdict {
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.35;
  color: #fff;
  margin-bottom: var(--step-4);
  padding-left: var(--step-3);
  border-left: 2px solid var(--border-hover);
  transition: border-color 0.25s ease;
}
.telemetry-card[data-tone='affirmative'] .verdict { border-left-color: var(--green); }
.telemetry-card[data-tone='negative'] .verdict { border-left-color: var(--red); }
.telemetry-card[data-tone='neutral'] .verdict { border-left-color: var(--accent); }
.telemetry-card[data-tone='offline'] .verdict { border-left-color: var(--text-dim); color: var(--text-muted); }

.telemetry-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.75rem;
  margin-bottom: 6px;
}
.t-label { color: var(--text-dim); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.04em; }
.t-val { color: #fff; font-weight: 600; }
.t-val.mono { font-variant-numeric: tabular-nums; }

.telemetry-meter-bar {
  width: 100%;
  height: 4px;
  background: #161616;
  margin-bottom: var(--step-4);
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  width: 0%;
  background: var(--text-dim);
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.35s ease;
}
.meter-fill.affirmative { background: var(--green); }
.meter-fill.neutral { background: var(--accent); }
.meter-fill.negative { background: var(--red); }

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--step-3);
  padding-top: var(--step-3);
  border-top: 1px solid #161616;
}
@media (min-width: 480px) { .telemetry-grid { grid-template-columns: repeat(4, 1fr); } }

.t-cell { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.t-cell-label {
  font-size: 0.6rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.t-cell-val {
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
}

.telemetry-details { font-size: 0.68rem; margin-top: var(--step-3); }
.details-summary {
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.details-summary::-webkit-details-marker { display: none; }
.details-summary:hover { color: var(--text-muted); }
.json-dump {
  margin-top: var(--step-2);
  padding: var(--step-2);
  background: var(--bg-deep);
  border: 1px solid #161616;
  color: #7c7c7c;
  font-family: inherit;
  font-size: 0.64rem;
  line-height: 1.45;
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── history ─── */
.history-section { margin-bottom: var(--step-5); }

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--step-3);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
.history-header h2 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: lowercase;
  color: #fff;
  letter-spacing: 0.03em;
}
.history-count { font-size: 0.68rem; color: var(--text-dim); }

.history-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }

.history-item {
  background: #0a0a0a;
  border: 1px solid var(--border);
  padding: var(--step-2) var(--step-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--step-3);
  cursor: pointer;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}
.history-item:hover { border-color: var(--border-hover); background: #0d0d0d; }

.history-left { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.history-q {
  font-size: 0.78rem;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.history-time { font-size: 0.62rem; color: var(--text-dim); }

.history-pill {
  font-size: 0.66rem;
  font-weight: 600;
  padding: 3px 8px;
  border: 1px solid var(--border);
  background: #111;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 46%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.history-pill.affirmative { color: var(--green); border-color: rgba(16, 185, 129, 0.4); }
.history-pill.neutral { color: var(--accent); border-color: rgba(56, 189, 248, 0.4); }
.history-pill.negative { color: var(--red); border-color: rgba(239, 68, 68, 0.4); }

.history-empty {
  font-size: 0.7rem;
  color: var(--text-dim);
  padding: var(--step-3) 0;
}
.history-empty[hidden] { display: none; }

/* ─── footer ─── */
.footer {
  display: flex;
  flex-direction: column;
  gap: var(--step-1);
  border-top: 1px solid var(--border);
  padding-top: var(--step-3);
  font-size: 0.66rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.footer-note { color: #3d3d3d; }

/* ─── toast ─── */
.toast {
  position: fixed;
  bottom: var(--step-5);
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  max-width: min(90vw, 420px);
  background: #161616;
  border: 1px solid var(--border-focus);
  color: #fff;
  font-size: 0.74rem;
  padding: var(--step-2) var(--step-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 150;
}
.toast.active { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast[data-kind='error'] { border-color: rgba(239, 68, 68, 0.5); }
.toast[data-kind='warn'] { border-color: rgba(245, 158, 11, 0.5); }

/* ─── responsive ─── */
@media (max-width: 420px) {
  .container { padding: var(--step-5) var(--step-3) var(--step-5); }
  .quick-prompts { font-size: 0.66rem; }
  .verdict { font-size: 0.98rem; }
  .btn { min-width: 88px; padding: var(--step-3) var(--step-2); }
  .input-hint { font-size: 0.62rem; }
}

@media (min-width: 720px) {
  .header { margin-bottom: var(--step-6); }
  .ball-stage { margin-bottom: var(--step-6); }
}

/* ─── reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .spinner { animation: spin 0.9s linear infinite !important; }
}
body[data-motion='reduced'] #particles { opacity: 0.35; }

/* ─── forced colours ─── */
@media (forced-colors: active) {
  .ball-frame, .telemetry-card, .prompt-input-wrap, .history-item { border: 1px solid CanvasText; }
  .frame-corner { display: none; }
}