/* ==========================================================================
   COMPONENT LIBRARY
   Spectrum accent, energy tags, slot columns, glass panels.
   ========================================================================== */

/* --------------------------------------------------------------------------
   SPECTRUM TEXT UTILITY
   Apply to any label/heading to get the purple→orange gradient fill.
   -------------------------------------------------------------------------- */
.spectrum-text {
  background-image: var(--spectrum);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* --------------------------------------------------------------------------
   ENERGY TAGS — content type badges with per-energy color
   -------------------------------------------------------------------------- */
.energy-tag {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.energy-tag.confrontational { color: var(--energy-confrontational); border-color: rgba(224,92,92,.30); background: rgba(224,92,92,.08); }
.energy-tag.empathetic      { color: var(--energy-empathetic);      border-color: rgba(76,148,201,.30); background: rgba(76,148,201,.08); }
.energy-tag.curious         { color: var(--energy-curious);         border-color: rgba(155,127,232,.30); background: rgba(155,127,232,.08); }
.energy-tag.authority       { color: var(--energy-authority);       border-color: rgba(201,168,76,.30);  background: rgba(201,168,76,.08); }
.energy-tag.urgent          { color: var(--energy-urgent);          border-color: rgba(76,175,122,.30);  background: rgba(76,175,122,.08); }

/* --------------------------------------------------------------------------
   AUDIENCE TAGS
   -------------------------------------------------------------------------- */
.audience-tag {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.audience-tag.cold    { color: #a0a0c0; border-color: rgba(160,160,192,.30); background: rgba(160,160,192,.08); }
.audience-tag.warm    { color: #c9884c; border-color: rgba(201,136,76,.30);  background: rgba(201,136,76,.08); }
.audience-tag.hot     { color: #c94c4c; border-color: rgba(201,76,76,.30);   background: rgba(201,76,76,.08); }
.audience-tag.clients { color: #4caf7a; border-color: rgba(76,175,122,.30);  background: rgba(76,175,122,.08); }
.audience-tag.peers   { color: #9b7fe8; border-color: rgba(155,127,232,.30); background: rgba(155,127,232,.08); }

/* --------------------------------------------------------------------------
   SLOT COLUMN HEADERS — Hook / Middle / Branding / CTA
   Used in the studio 4-column arc layout.
   -------------------------------------------------------------------------- */
.slot-label        { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-wider); text-transform: uppercase; font-weight: 500; }
.slot-label.hook     { color: var(--slot-hook); }
.slot-label.middle   { color: var(--slot-middle); }
.slot-label.branding { color: var(--slot-branding); }
.slot-label.cta      { color: var(--slot-cta); }

/* Slot column accent border-top */
.slot-col { border-top: 2px solid; padding-top: var(--sp-3); }
.slot-col.hook     { border-color: var(--slot-hook); }
.slot-col.middle   { border-color: var(--slot-middle); }
.slot-col.branding { border-color: var(--slot-branding); }
.slot-col.cta      { border-color: var(--slot-cta); }

/* Slot cell hover tints */
.slot-col.hook:hover     { background: rgba(201,168,76,.04); }
.slot-col.middle:hover   { background: rgba(76,148,201,.04); }
.slot-col.branding:hover { background: rgba(76,175,122,.04); }
.slot-col.cta:hover      { background: rgba(201,76,76,.04); }

/* --------------------------------------------------------------------------
   GLASS PANEL — shared surface treatment
   -------------------------------------------------------------------------- */
.glass-panel {
  background: var(--glass-tint);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  box-shadow: var(--depth-2);
}

/* --------------------------------------------------------------------------
   CONTENT VARIATION CARD
   -------------------------------------------------------------------------- */
.var-card {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-base);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.var-card:hover {
  border-color: var(--border);
  box-shadow: 0 0 0 1px var(--border), 0 6px 24px rgba(201,168,76,.08);
}

.var-card-hdr {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--surface-3);
  border-bottom: 1px solid var(--border-subtle);
}

.var-card-body {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-base);
  white-space: pre-wrap;
}

/* --------------------------------------------------------------------------
   MODULE BLOCK HEADER — section divider in studio
   -------------------------------------------------------------------------- */
.mod-hdr {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--border);
  margin-bottom: var(--sp-4);
  position: relative;
}

/* Spectrum underline bar */
.mod-hdr::after {
  content: '';
  position: absolute;
  left: 0; right: 60%; bottom: -2px;
  height: 2px;
  background: var(--spectrum);
  border-radius: 2px;
  filter: saturate(120%);
}

.mod-title {
  font-family: 'Bebas Neue', var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-wider);
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   HASHTAG PILLS
   -------------------------------------------------------------------------- */
.hash-tag {
  display: inline-flex;
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.hash-tag:hover {
  background: rgba(201,168,76,.08);
  border-color: rgba(201,168,76,.28);
  box-shadow: 0 0 8px rgba(201,168,76,.12);
  color: var(--accent);
}