/* Tailwind (via CDN, see index.html) handles layout, spacing and color
   utilities. Everything here is stuff Tailwind's utility classes can't
   express: the Cytoscape canvas, custom tooltips, the active pipeline step,
   the range-slider thumb, the loading spinner and scrollbars.

   Light theme, tuned for projectors: near-black text on white/light-gray
   surfaces, every text pair at WCAG AA (4.5:1) or better. */

:root {
  color-scheme: light;
}

html,
body {
  height: 100%;
}

/* ── Cytoscape canvas ─────────────────────────────────────────────────── */
#cy {
  width: 100%;
  min-height: 420px;
  background: #ffffff;
}

/* ── Custom tooltip ────────────────────────────────────────────────────
   A single fixed-position element positioned and viewport-clamped by
   app.js (pseudo-element tooltips overflowed the page on narrow screens).
   Dark plate on a light page so it pops on a projector. */
[data-tip] {
  cursor: help;
}

#tooltip {
  position: fixed;
  z-index: 100;
  max-width: min(280px, calc(100vw - 16px));
  background: #111827;
  color: #f9fafb;
  border-radius: 6px;
  padding: 7px 11px;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.4;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease;
  box-shadow: 0 6px 16px rgb(17 24 39 / 0.25);
}

#tooltip.is-visible {
  opacity: 1;
}

/* ── Pipeline step connector ───────────────────────────────────────────── */
.pipeline-step {
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease,
    transform 0.2s ease;
}

.pipeline-step.is-active {
  border-color: #1d4ed8;
  background-color: #eff6ff;
  box-shadow: 0 0 0 2px rgb(29 78 216 / 0.25);
  transform: translateY(-1px);
}

.pipeline-step.is-active .pipeline-step-num {
  background-color: #1d4ed8;
  color: #ffffff;
}

.pipeline-arrow {
  color: #6b7280;
}

/* ── Loading spinner (sits inside the blue Simulate button) ───────────── */
.spinner {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid rgb(255 255 255 / 0.35);
  border-top-color: #ffffff;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Local-model consent dialog ───────────────────────────────────────── */
.fallback-dialog {
  width: min(30rem, calc(100vw - 2rem));
  padding: 0;
  border: 1px solid #d1d5db;
  border-radius: 0.875rem;
  background: #ffffff;
  color: #374151;
  box-shadow: 0 24px 48px rgb(17 24 39 / 0.3);
}

.fallback-dialog[open] {
  animation: fade-in 0.18s ease;
}

.fallback-dialog::backdrop {
  background: rgb(17 24 39 / 0.55);
  backdrop-filter: blur(2px);
}

/* ── Severity slider ──────────────────────────────────────────────────── */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(to right, #f59e0b, #ea580c, #b91c1c);
  outline: none;
}

input[type="range"]:disabled {
  opacity: 0.45;
}

input[type="range"]:focus-visible {
  outline: 2px solid #1d4ed8;
  outline-offset: 4px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid #1f2937;
  box-shadow: 0 1px 4px rgb(0 0 0 / 0.35);
  cursor: pointer;
  margin-top: -7px;
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid #1f2937;
  box-shadow: 0 1px 4px rgb(0 0 0 / 0.35);
  cursor: pointer;
}

/* ── Misc ──────────────────────────────────────────────────────────────── */
pre {
  white-space: pre-wrap;
  word-break: break-word;
}

.scroll-thin::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.scroll-thin::-webkit-scrollbar-thumb {
  background: #9ca3af;
  border-radius: 999px;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fade-in 0.25s ease;
}