/* ========================================
   MOLFORGE UNIFIED DESIGN SYSTEM
   v2026.04.14
   Aligns all pages with investor deck aesthetic.
   All utilities are .ds-* prefixed so they NEVER
   collide with existing page-specific classes.
   ======================================== */

:root {
  /* ---- Brand palette ---- */
  --ds-bg: #0a0e27;
  --ds-bg-deep: #060920;
  --ds-text: #e8eaed;
  --ds-text-muted: #9aa0a6;

  --ds-cyan: #00d4ff;
  --ds-purple: #7c3aed;
  --ds-purple-light: #a78bfa;
  --ds-green: #10b981;
  --ds-amber: #f59e0b;
  --ds-red: #ef4444;

  /* ---- Surfaces ---- */
  --ds-card-bg: rgba(255, 255, 255, 0.03);
  --ds-card-border: 1px solid rgba(255, 255, 255, 0.08);
  --ds-card-border-color: rgba(255, 255, 255, 0.08);
  --ds-card-hover-border: rgba(0, 212, 255, 0.35);

  /* ---- Gradients ---- */
  --ds-gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --ds-gradient-accent:  linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
  --ds-gradient-success: linear-gradient(135deg, #10b981 0%, #00d4ff 100%);

  /* ---- Radii ---- */
  --ds-radius-sm: 6px;
  --ds-radius: 10px;
  --ds-radius-lg: 12px;
  --ds-radius-xl: 20px;

  /* ---- Shadows ---- */
  --ds-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --ds-shadow:    0 8px 24px rgba(0, 0, 0, 0.35);
  --ds-shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
  --ds-shadow-cyan: 0 8px 24px rgba(0, 212, 255, 0.25);

  /* ---- Typography ---- */
  --ds-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* ---- Motion ---- */
  --ds-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ds-dur: 0.25s;
}

/* ========================================
   GLOBAL DEFAULTS
   Only touch html/body so page styles win by specificity.
   ======================================== */
html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ds-font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ========================================
   UTILITY CLASSES (opt-in, .ds-* prefix)
   ======================================== */

/* Dark brand background */
.ds-dark-bg {
  background: var(--ds-bg);
  color: var(--ds-text);
}

/* Radial hero background */
.ds-radial-bg {
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0, 212, 255, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(124, 58, 237, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, var(--ds-bg) 0%, var(--ds-bg-deep) 100%);
}

/* Gradient text */
.ds-gradient-text {
  background: var(--ds-gradient-primary);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  display: inline-block;
}

/* Headings */
.ds-h1 {
  font-family: var(--ds-font);
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ds-text);
}

.ds-h2 {
  font-family: var(--ds-font);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ds-text);
}

/* Uppercase cyan section label */
.ds-section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ds-cyan);
  margin-bottom: 0.75rem;
}

/* Card */
.ds-card {
  background: var(--ds-card-bg);
  border: var(--ds-card-border);
  border-radius: var(--ds-radius-lg);
  padding: 1.5rem;
  color: var(--ds-text);
  transition: transform var(--ds-dur) var(--ds-ease),
              border-color var(--ds-dur) var(--ds-ease),
              box-shadow var(--ds-dur) var(--ds-ease);
}

/* Hover lift */
.ds-hover-lift {
  transition: transform var(--ds-dur) var(--ds-ease),
              box-shadow var(--ds-dur) var(--ds-ease),
              border-color var(--ds-dur) var(--ds-ease);
  will-change: transform;
}
.ds-hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--ds-shadow-lg);
  border-color: var(--ds-card-hover-border);
}

/* Buttons */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--ds-font);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.75rem 1.25rem;
  border-radius: var(--ds-radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--ds-dur) var(--ds-ease),
              box-shadow var(--ds-dur) var(--ds-ease),
              background var(--ds-dur) var(--ds-ease),
              border-color var(--ds-dur) var(--ds-ease),
              color var(--ds-dur) var(--ds-ease);
  user-select: none;
}
.ds-btn:focus-visible {
  outline: 2px solid var(--ds-cyan);
  outline-offset: 2px;
}

.ds-btn-primary {
  background: var(--ds-gradient-primary);
  color: #fff;
  border-color: transparent;
}
.ds-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--ds-shadow-cyan);
  color: #fff;
}

.ds-btn-ghost {
  background: transparent;
  color: var(--ds-text);
  border-color: var(--ds-card-border-color);
}
.ds-btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--ds-cyan);
  color: var(--ds-cyan);
}

/* Reveal-on-scroll helper (pair with JS IntersectionObserver) */
.ds-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ds-ease),
              transform 0.6s var(--ds-ease);
}
.ds-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .ds-reveal,
  .ds-hover-lift,
  .ds-btn,
  .ds-card {
    transition: none !important;
    animation: none !important;
  }
  .ds-hover-lift:hover,
  .ds-btn:hover {
    transform: none !important;
  }
}

/* ========================================
   SKELETON LOADERS (mf-skel)
   Lightweight shimmer placeholder used by entity-detail pages
   (drug.js, target.js, molecule_page.py …) while data is in flight.
   Theme-aware via existing CSS variables.
   ======================================== */
.mf-skel {
  display: inline-block;
  background: linear-gradient(
    90deg,
    rgba(148, 163, 184, 0.12) 0%,
    rgba(148, 163, 184, 0.28) 50%,
    rgba(148, 163, 184, 0.12) 100%
  );
  background-size: 200% 100%;
  animation: mf-skel-shimmer 1.4s linear infinite;
  border-radius: 6px;
  height: 0.95em;
  vertical-align: middle;
  color: transparent;
  user-select: none;
}
.mf-skel-block {
  display: block;
  height: 1em;
  margin: 0.4em 0;
}
.mf-skel-line { width: 100%; }
.mf-skel-title {
  height: 2.3rem;
  width: 220px;
  border-radius: 8px;
  margin: 0.15em 0;
}
.mf-skel-pill {
  height: 1.4rem;
  width: 110px;
  border-radius: 999px;
}
@keyframes mf-skel-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .mf-skel { animation: none; }
}

/* ========================================
   EMPTY-STATE CARD (mf-empty)
   Polished placeholder for sections with no data — replaces ad-hoc
   blank rows / single <em> dashes that were the audit's "n/a" hits.
   ======================================== */
.mf-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 1.25rem 1rem;
  border: 1px dashed var(--card-border, rgba(148, 163, 184, 0.25));
  border-radius: 10px;
  background: var(--bg-secondary, rgba(148, 163, 184, 0.04));
  color: var(--text-secondary, #94a3b8);
  font-size: 0.88rem;
  text-align: center;
}
.mf-empty-inline {
  flex-direction: row;
  padding: 0.45rem 0.75rem;
  border: none;
  background: transparent;
  font-style: italic;
  font-size: 0.86rem;
  color: var(--text-tertiary, #94a3b8);
  justify-content: flex-start;
}
.mf-empty i {
  font-size: 1.25rem;
  opacity: 0.55;
  color: var(--text-tertiary, #94a3b8);
}
.mf-empty-inline i { font-size: 0.95em; opacity: 0.7; }
.mf-empty-title {
  font-weight: 600;
  color: var(--text-primary, #475569);
}
.mf-empty-sub {
  font-size: 0.78rem;
  color: var(--text-tertiary, #94a3b8);
  max-width: 360px;
  line-height: 1.4;
}

/* ──────────────────────────────────────────────────────────────────
   Premium-feature CTA card. Replaces the older "Demo data — coming
   soon" disclaimer banners across dashboard sections (Commercial,
   Literature) with a polished upgrade prompt. Theme-aware via
   --card-bg / --accent-primary tokens.
   ────────────────────────────────────────────────────────────────── */
.mf-premium-cta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--card-border, rgba(15,23,42,0.08));
  background: linear-gradient(135deg, rgba(99,102,241,0.06) 0%, rgba(139,92,246,0.06) 100%);
  flex-wrap: wrap;
}
.mf-premium-cta .mf-premium-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.mf-premium-cta .mf-premium-body { flex: 1; min-width: 220px; }
.mf-premium-cta .mf-premium-title {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-primary, #0f172a);
  margin-bottom: 0.15rem;
}
.mf-premium-cta .mf-premium-sub {
  font-size: 0.83rem;
  color: var(--text-secondary, #64748b);
  line-height: 1.4;
}
.mf-premium-cta .mf-premium-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 600;
  font-size: 0.85rem;
  transition: transform 120ms ease, box-shadow 120ms ease;
  white-space: nowrap;
}
.mf-premium-cta .mf-premium-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(99,102,241,0.35);
}