/* ---------------------------------------------------------
   RTT/2 — Canonical Stylesheet
   ---------------------------------------------------------
   Defines the visual identity for RTT/2 operator pages,
   documentation, pipeline views, and metadata blocks.
   --------------------------------------------------------- */

/* ------------------------------
   Base Theme
   ------------------------------ */

:root {
  --rtt-bg: #000000;
  --rtt-bg-alt: #0a0a0a;

  --rtt-text: #ffffff;
  --rtt-text-dim: #cccccc;

  /* RTT/2 Regime Colors */
  --rtt-S: #00e5ff;   /* Structural */
  --rtt-E: #ff00e5;   /* Energetic */
  --rtt-R: #ffe500;   /* Resonant */

  /* UI Accents */
  --rtt-border: #222222;
  --rtt-panel: #111111;
  --rtt-panel-alt: #161616;

  --rtt-radius: 8px;
  --rtt-radius-sm: 4px;

  --rtt-font: "Inter", "Segoe UI", sans-serif;
}

/* ------------------------------
   Global
   ------------------------------ */

body {
  background: var(--rtt-bg);
  color: var(--rtt-text);
  font-family: var(--rtt-font);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  margin: 0.75rem 0;
  color: var(--rtt-text-dim);
}

/* ------------------------------
   Panels
   ------------------------------ */

.rtt-panel {
  background: var(--rtt-panel);
  border: 1px solid var(--rtt-border);
  border-radius: var(--rtt-radius);
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.rtt-panel-alt {
  background: var(--rtt-panel-alt);
  border: 1px solid var(--rtt-border);
  border-radius: var(--rtt-radius);
  padding: 1.25rem;
  margin: 1.5rem 0;
}

/* ------------------------------
   Regime Tags
   ------------------------------ */

.tag-S {
  color: var(--rtt-S);
  border: 1px solid var(--rtt-S);
  padding: 4px 8px;
  border-radius: var(--rtt-radius-sm);
  font-size: 0.85rem;
}

.tag-E {
  color: var(--rtt-E);
  border: 1px solid var(--rtt-E);
  padding: 4px 8px;
  border-radius: var(--rtt-radius-sm);
  font-size: 0.85rem;
}

.tag-R {
  color: var(--rtt-R);
  border: 1px solid var(--rtt-R);
  padding: 4px 8px;
  border-radius: var(--rtt-radius-sm);
  font-size: 0.85rem;
}

/* ------------------------------
   Metadata Blocks
   ------------------------------ */

.rtt-meta {
  background: var(--rtt-panel);
  border-left: 4px solid var(--rtt-S);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.rtt-meta strong {
  color: var(--rtt-text);
}

/* ------------------------------
   Tables
   ------------------------------ */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

table th, table td {
  border: 1px solid var(--rtt-border);
  padding: 0.75rem;
}

table th {
  background: var(--rtt-panel-alt);
  color: var(--rtt-text);
  font-weight: 600;
}

table td {
  background: var(--rtt-panel);
  color: var(--rtt-text-dim);
}

/* ------------------------------
   Code Blocks
   ------------------------------ */

pre, code {
  background: #111111;
  color: #00e5ff;
  padding: 0.75rem;
  border-radius: var(--rtt-radius-sm);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
}

/* ------------------------------
   Buttons
   ------------------------------ */

.rtt-btn {
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: var(--rtt-radius-sm);
  background: var(--rtt-S);
  color: #000;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.rtt-btn:hover {
  opacity: 0.8;
}