/* ==========================================================================
   AURA QUANT - THE AGGREGATION SIMULATOR DESIGN SYSTEM
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES & CORE STYLES
   -------------------------------------------------------------------------- */
:root {
  --bg-primary: #05070a;
  --bg-secondary: #0a0d14;
  --bg-card: rgba(14, 20, 32, 0.78);
  --bg-card-hover: rgba(22, 31, 50, 0.88);
  --border-color: rgba(255, 255, 255, 0.04);
  --border-glow: rgba(168, 85, 247, 0.12);

  --accent-cyan: hsl(188, 95%, 43%);
  --accent-purple: hsl(271, 91%, 65%);
  --accent-gold: hsl(45, 93%, 47%);
  --accent-red: hsl(349, 89%, 60%);
  --accent-green: hsl(152, 76%, 45%);

  --text-primary: #f8fafc; /* Slate-50: Crisp primary white/slate for high readability */
  --text-secondary: #cbd5e1; /* Slate-300: High-contrast secondary slate grey (WCAG AAA compliant) */
  --text-muted: #94a3b8; /* Slate-400: Clean, legible muted label color (WCAG AA compliant) */

  --font-header: 'Space Grotesk', sans-serif;
  --font-body: 'Outfit', sans-serif;

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-premium: 0 10px 40px -10px rgba(0, 0, 0, 0.7);
  --glass-blur: blur(14px);

  /* ==========================================================================
     GOLDEN RATIO TYPOGRAPHY (GRT) VARIABLES (grtcalculator.com/math/)
     ========================================================================== */
  --phi: 1.6180339887;
  
  --font-size-base: 16px; /* Base body font size */
  --font-size-tiny: calc(var(--font-size-base) / var(--phi)); /* ~9.8px - for micro-labels */
  --font-size-small: calc(var(--font-size-base) / 1.25); /* ~12.8px - for comfortable sub-copy */
  --font-size-medium: var(--font-size-base); /* 16px - for standard readable paragraph copy */
  --font-size-h3: calc(var(--font-size-base) * var(--phi)); /* ~25.8px - for aggregator headings */
  --font-size-h2: calc(var(--font-size-h3) * var(--phi)); /* ~41.8px - for secondary sections */
  --font-size-h1: calc(var(--font-size-h2) * var(--phi)); /* ~67.7px - for massive header text */

  --line-height-body: var(--phi); /* The Golden Line Height (1.618033) */
  --line-height-heading: 1.25; /* Tighter leading for larger heading wraps */
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(168, 85, 247, 0.025) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.025) 0px, transparent 50%);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: var(--line-height-body);
  min-height: 100vh;
  overflow-x: hidden;
  padding: 1.5rem;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

.dashboard-wrapper {
  max-width: 1500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* --------------------------------------------------------------------------
   2. APP HEADER & LAYOUT GRID
   -------------------------------------------------------------------------- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-premium);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  font-size: 2rem;
  text-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

.logo-text h1 {
  font-family: var(--font-header);
  font-size: var(--font-size-h3);
  font-weight: 700;
  letter-spacing: 2px;
  line-height: var(--line-height-heading);
}

.logo-text h1 span {
  color: var(--accent-purple);
  margin-left: 4px;
}

.logo-text p {
  font-size: var(--font-size-tiny);
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-top: 4px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-small);
  letter-spacing: 1px;
  font-weight: 600;
  color: var(--text-secondary);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
  background-color: var(--accent-purple);
  box-shadow: 0 0 8px var(--accent-purple);
}

.status-indicator::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 1px solid var(--accent-purple);
  border-radius: 50%;
  animation: pulse-ring 2.5s cubic-bezier(0.215, 0.610, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

/* --------------------------------------------------------------------------
   3. DASHBOARD CARDS
   -------------------------------------------------------------------------- */
.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  content-visibility: auto;
  contain-intrinsic-size: auto 300px auto 600px;
}

.dashboard-card:hover {
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.8), 0 0 25px var(--border-glow);
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.card-header h2 {
  font-family: var(--font-header);
  font-size: calc(var(--font-size-base) * 1.25); /* ~20px - golden proportion for sub-headings */
  font-weight: 700;
  letter-spacing: 0.5px;
  flex-grow: 1;
  line-height: var(--line-height-heading);
}

.card-number {
  font-family: var(--font-header);
  font-size: var(--font-size-small);
  font-weight: 700;
  color: var(--accent-purple);
  background: rgba(168, 85, 247, 0.1);
  padding: 2px 7px;
  border-radius: 4px;
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex-grow: 1;
}

.section-desc {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
  max-width: 42rem; /* Constrain reading width for rapid vertical scanning */
}

/* Card Assignments */
/* Intro Strip & Aggregator Cards Layout */
.intro-strip {
  grid-column: span 12;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.25rem 1.75rem;
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-premium);
  font-size: var(--font-size-medium);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
  border-left: 3px solid var(--accent-purple);
  max-width: 55rem; /* Golden scale optimal block width */
}

.intro-strip strong {
  color: var(--text-primary);
}

.aggregator-card {
  grid-column: span 4;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-premium);
  padding: 1.25rem;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  position: relative;
  overflow: hidden;
}

.aggregator-card:hover {
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  transform: translateY(-2px);
}

.agg-card-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.aggregator-card .badge {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-family: var(--font-header);
  font-weight: 700;
  font-size: 0.85rem;
}

.aggregator-card.mult .badge { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.aggregator-card.max .badge { background: rgba(234, 179, 8, 0.1); color: var(--accent-gold); }
.aggregator-card.add .badge { background: rgba(6, 182, 212, 0.1); color: var(--accent-cyan); }

.aggregator-card.mult { border-top: 3px solid rgba(16, 185, 129, 0.3); }
.aggregator-card.max { border-top: 3px solid rgba(234, 179, 8, 0.3); }
.aggregator-card.add { border-top: 3px solid rgba(6, 182, 212, 0.3); }

.aggregator-card h3 {
  font-family: var(--font-header);
  font-size: var(--font-size-medium); /* ~16px: golden proportion card title */
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.formula-mini {
  font-family: monospace;
  font-size: var(--font-size-tiny); /* ~9.8px: clean micro-scale math notation */
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 8px;
  border-radius: 6px;
  align-self: flex-start;
  color: var(--accent-purple);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.aggregator-card .explanation {
  font-size: var(--font-size-small); /* ~12.8px: standard sub-copy */
  color: var(--text-secondary);
  line-height: var(--line-height-body);
}

.aggregator-card .explanation strong {
  color: var(--text-primary);
}

/* Sim Card grid settings */
.sim-card {
  grid-column: span 8;
}

.game-card {
  grid-column: span 12;
}

@media (max-width: 1100px) {
  .aggregator-card {
    grid-column: span 12;
  }
  .sim-card {
    grid-column: span 12;
  }
}

/* Aggregator Cards Light Theme overrides */
body.theme-light .intro-strip {
  background: rgba(0, 0, 0, 0.01);
  border-color: rgba(0, 0, 0, 0.06);
}

body.theme-light .aggregator-card {
  background: var(--bg-card);
  border-color: rgba(0, 0, 0, 0.08);
}

body.theme-light .formula-mini {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.04);
  color: var(--accent-purple);
}

/* Highlights for Active Sliders/Calibration Adjustments */
.aggregator-card.active-highlight {
  transform: scale(1.03) translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7), 0 0 20px var(--glow-color);
  border-color: var(--highlight-color) !important;
  z-index: 10;
}

.aggregator-card.mult.active-highlight {
  --glow-color: rgba(16, 185, 129, 0.35);
  --highlight-color: var(--accent-green);
  border-top-color: var(--accent-green) !important;
}

.aggregator-card.max.active-highlight {
  --glow-color: rgba(234, 179, 8, 0.35);
  --highlight-color: var(--accent-gold);
  border-top-color: var(--accent-gold) !important;
}

.aggregator-card.add.active-highlight {
  --glow-color: rgba(6, 182, 212, 0.35);
  --highlight-color: var(--accent-cyan);
  border-top-color: var(--accent-cyan) !important;
}

body.theme-light .aggregator-card.active-highlight {
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12), 0 0 20px var(--glow-color);
}

/* --------------------------------------------------------------------------
   5. CONTROLS GRID & INPUTS
   -------------------------------------------------------------------------- */
.sim-controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  padding: 1.25rem;
}

@media (max-width: 580px) {
  .sim-controls-grid {
    grid-template-columns: 1fr;
  }
}

.campaign-control-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.5rem;
}

.campaign-control-box h4 {
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.campaign-control-box.safe h4 { color: var(--accent-green); }
.campaign-control-box.bold h4 { color: var(--accent-red); }

/* Form inputs & Range styling */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.input-group label {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--text-secondary);
}

.form-range {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-purple);
  box-shadow: 0 0 6px var(--accent-purple);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.form-select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--font-size-small);
  padding: 8px 12px;
  outline: none;
  transition: var(--transition-smooth);
}

.form-selectOption {
  background: var(--bg-secondary);
}

.form-select:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.25);
}

/* Buttons */
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-header);
  font-weight: 600;
  font-size: var(--font-size-small);
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  outline: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-cyan) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-purple);
}

.btn-sm {
  font-size: 0.7rem;
  padding: 4px 10px;
}

/* --------------------------------------------------------------------------
   6. SPLIT DISPLAY LAYOUT & RESULTS CARDS
   -------------------------------------------------------------------------- */
.split-display-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .split-display-grid {
    grid-template-columns: 1fr;
  }
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  height: 250px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}

.results-info-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.results-info-box h3 {
  font-family: var(--font-header);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.formula-block {
  font-family: var(--font-header);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-purple);
  background: rgba(0, 0, 0, 0.35);
  padding: 4px 12px;
  border-radius: 8px;
  display: inline-block;
  align-self: flex-start;
}

.metrics-row-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.metric-mini {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
}

.metric-mini .lbl {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.metric-mini .val {
  font-family: var(--font-header);
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2px;
  line-height: 1.1;
}

.metric-mini .sub {
  font-size: 0.62rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Border Accents on Metrics */
.metric-mini.safe { border-left: 3px solid var(--accent-green); }
.metric-mini.safe .val { color: var(--accent-green); }
.metric-mini.bold { border-left: 3px solid var(--accent-red); }
.metric-mini.bold .val { color: var(--accent-red); }

.metric-mini.safe-pool { border-left: 3px solid var(--text-secondary); }
.metric-mini.bold-pool { border-left: 3px solid var(--accent-gold); }
.metric-mini.bold-pool .val { color: var(--accent-gold); }

.metric-mini.steady-lead { border-left: 3px solid var(--accent-cyan); }
.metric-mini.steady-lead .val { color: var(--accent-cyan); }
.metric-mini.whipsaw-lead { border-left: 3px solid var(--accent-red); }
.metric-mini.whipsaw-lead .val { color: var(--accent-red); }

.math-p-desc {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
  max-width: 42rem; /* constrained line-length for optimal scanning */
}

/* --------------------------------------------------------------------------
   7. DRAG-AND-DROP HIRING SANDBOX GAME
   -------------------------------------------------------------------------- */
.hiring-game-wrapper {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 1.5rem;
}

@media (max-width: 820px) {
  .hiring-game-wrapper {
    grid-template-columns: 1fr;
  }
}

.candidates-pool-box, .roles-placement-box {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.candidates-pool-box h3, .roles-placement-box h3 {
  font-family: var(--font-header);
  font-size: var(--font-size-small); /* ~12.8px: clean secondary block title */
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.pool-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 250px;
}

/* Draggable Candidates Card */
.draggable-candidate {
  background: rgba(255, 255, 255, 0.015);
  border: 1px dashed rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 1rem;
  cursor: grab;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  touch-action: none;
}

.draggable-candidate:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.draggable-candidate.dragging {
  opacity: 0.4;
  cursor: grabbing;
}

.cand-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.draggable-candidate .drag-handle {
  font-size: var(--font-size-small);
  color: var(--text-muted);
  cursor: grab;
}

.cand-desc {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
}

.cand-sliders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.6rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.02);
}

.slider-control {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.slider-control label {
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  font-weight: 500;
}

.slider-control strong {
  color: var(--text-primary);
}

.cand-peak-slider, .cand-floor-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.cand-peak-slider::-webkit-slider-thumb, .cand-floor-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-purple);
  box-shadow: 0 0 4px var(--accent-purple);
}

.cand-metrics-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 0.4rem;
}

.cand-metrics-row strong {
  font-family: var(--font-header);
  color: var(--text-primary);
}

.draggable-candidate.specialist .name { color: var(--accent-gold); }
.draggable-candidate.generalist .name { color: var(--accent-cyan); }

/* Dropzones Placement */
.placement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  width: 100%;
}

@media (max-width: 580px) {
  .placement-grid {
    grid-template-columns: 1fr;
  }
}

.dropzone {
  border: 1.5px dashed rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.dropzone.drag-over {
  border-color: var(--accent-purple);
  background: rgba(168, 85, 247, 0.05);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.15);
}

.dropzone .badge {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  font-family: var(--font-header);
  font-weight: 700;
  font-size: var(--font-size-tiny);
}

.multiplicative-zone .badge { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.max-order-zone .badge { background: rgba(234, 179, 8, 0.1); color: var(--accent-gold); }
.additive-zone .badge { background: rgba(6, 182, 212, 0.1); color: var(--accent-cyan); }
.min-order-zone .badge { background: rgba(239, 68, 68, 0.1); color: var(--accent-red); }

.dropzone h4 {
  font-size: var(--font-size-small);
  font-weight: 700;
  line-height: var(--line-height-heading);
  color: var(--text-primary);
}

.dropzone .zone-desc {
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  line-height: var(--line-height-body);
  min-height: 34px;
}

.zone-ideal-candidate {
  font-size: var(--font-size-tiny);
  border-width: 1px;
  border-style: solid;
  padding: 3px 6px;
  border-radius: 6px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-top: 0.2rem;
  margin-bottom: 0.3rem;
  display: inline-block;
  align-self: flex-start;
  transition: var(--transition-smooth);
}

.zone-slot {
  min-height: 60px;
  border: 1px dashed rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.01);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-small);
  color: var(--text-muted);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.zone-slot:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

/* Zone Header & Tooltips */
.zone-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
}

.zone-header h4 {
  flex-grow: 1;
}

.info-icon {
  font-size: var(--font-size-tiny);
  color: var(--text-muted);
  cursor: help;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--text-muted);
  transition: var(--transition-smooth);
}

.info-icon:hover {
  color: var(--accent-purple);
  border-color: var(--accent-purple);
  background: rgba(168, 85, 247, 0.1);
}

/* Role Calibration box */
.role-calibration-box {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.45rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.02);
  margin-top: 0.15rem;
}

.role-calibration-box label {
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  font-weight: 500;
  display: flex;
  justify-content: space-between;
}

.role-calibration-box label strong {
  color: var(--text-primary);
}

.role-weight-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 1.5px;
  outline: none;
  cursor: pointer;
}

.role-weight-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 3px var(--accent-cyan);
}

/* Custom Spectrum Bars inside candidates */
.cand-spectrum-wrapper {
  margin: 1px 0 4px 0;
  width: 100%;
}

.cand-spectrum-track {
  height: 5px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2.5px;
  position: relative;
  overflow: hidden;
}

.cand-spectrum-fill {
  height: 100%;
  border-radius: 2.5px;
  position: absolute;
  background: linear-gradient(90deg, var(--accent-red) 0%, var(--accent-gold) 50%, var(--accent-cyan) 100%);
  transition: left 0.2s cubic-bezier(0.4, 0, 0.2, 1), width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Evaluating Board */
.hiring-eval-box {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);
  border: 1px solid rgba(168, 85, 247, 0.18);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  width: 100%;
}

.eval-score-lbl {
  font-size: var(--font-size-small);
  text-transform: uppercase;
  color: var(--text-secondary);
}

.eval-score-val {
  font-family: var(--font-header);
  font-size: var(--font-size-h2); /* ~41.8px: giant golden proportion score */
  font-weight: 800;
  color: var(--accent-purple);
  text-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
  line-height: 1.1;
}

.eval-feedback {
  font-size: var(--font-size-small); /* ~12.8px: highly readable secondary details */
  color: var(--text-primary);
  font-weight: 500;
  margin-top: 4px;
  line-height: var(--line-height-body);
  max-width: 40rem; /* constrained line-length for natural reading */
}

/* Scorecard Contribution Breakdown */
.scorecard-breakdown {
  width: 100%;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 0.75rem;
}

.breakdown-item {
  display: grid;
  grid-template-columns: 100px 1fr 35px;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  font-size: var(--font-size-small); /* ~12.8px */
}

.breakdown-label {
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breakdown-bar {
  height: 5px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2.5px;
  overflow: hidden;
  position: relative;
}

.breakdown-fill {
  height: 100%;
  border-radius: 2.5px;
  width: 0%;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.breakdown-fill.green { background: var(--accent-green); }
.breakdown-fill.cyan { background: var(--accent-cyan); }
.breakdown-fill.gold { background: var(--accent-gold); }
.breakdown-fill.red { background: var(--accent-red); }

.breakdown-val {
  font-family: var(--font-header);
  font-weight: 700;
  color: var(--text-primary);
  text-align: right;
}

/* Footer styling */
.app-footer {
  text-align: center;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  border-radius: 16px;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   8. LIGHT MODE STYLING & VARIABLE OVERRIDES
   -------------------------------------------------------------------------- */
body.theme-light {
  --bg-primary: #f8fafc; /* Pristine off-white paper base (Slate-50) */
  --bg-secondary: #f1f5f9; /* Clean card slot backgrounds (Slate-100) */
  --bg-card: rgba(255, 255, 255, 0.95); /* Elegant glassmorphic solid white card */
  --bg-card-hover: #ffffff;
  --border-color: rgba(15, 23, 42, 0.08); /* Organic clean border line */
  --border-glow: rgba(99, 102, 241, 0.08);

  /* Sophisticated, desaturated HSL tones with excellent contrast and low eye strain */
  --accent-purple: hsl(250, 52%, 46%); /* Royal Indigo (Stripe/Apple style) */
  --accent-cyan: hsl(192, 58%, 36%);   /* Calm Ocean Slate-Teal */
  --accent-gold: hsl(38, 52%, 38%);    /* Rich honey Amber (warm gold, not muddy/yellow) */
  --accent-red: hsl(355, 46%, 45%);    /* Calming Crimson Berry */
  --accent-green: hsl(148, 40%, 35%);  /* Soft Sage/Forest Green */

  --text-primary: #0f172a;   /* Slate-900: Crisp premium obsidian black for extreme legibility */
  --text-secondary: #334155; /* Slate-700: High-contrast secondary dark slate grey (WCAG AAA compliant) */
  --text-muted: #57657a;     /* Slate-500/600: Highly readable muted grey labels (WCAG AA compliant) */

  --shadow-premium: 0 10px 30px -10px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.01);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.01) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.01) 0px, transparent 50%);
}

body.theme-light .draggable-candidate {
  background: rgba(0, 0, 0, 0.01);
  border-color: rgba(0, 0, 0, 0.12);
}

body.theme-light .draggable-candidate:hover {
  background: rgba(0, 0, 0, 0.03);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

body.theme-light .cand-sliders-grid {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.04);
}

body.theme-light .dropzone {
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.1);
}

body.theme-light .zone-slot {
  background: rgba(0, 0, 0, 0.01);
  border-color: rgba(0, 0, 0, 0.08);
}

body.theme-light .role-calibration-box {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.04);
}

body.theme-light .hiring-eval-box {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05) 0%, rgba(6, 182, 212, 0.03) 100%);
  border-color: rgba(168, 85, 247, 0.15);
}

body.theme-light .sim-controls-grid,
body.theme-light .agg-legend-item,
body.theme-light .metric-mini {
  background: rgba(0, 0, 0, 0.015);
  border-color: rgba(0, 0, 0, 0.04);
}

body.theme-light .formula-block {
  background: rgba(0, 0, 0, 0.05);
  color: var(--accent-purple);
}

body.theme-light .canvas-wrapper {
  background: rgba(0, 0, 0, 0.015);
}

body.theme-light .form-select {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   9. HIRING TOGGLES & BUDGET CAP CONTROLS
   -------------------------------------------------------------------------- */
.hiring-toggle-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
}

body.theme-light .hiring-toggle-container {
  background: rgba(0, 0, 0, 0.02);
}

.toggle-lbl {
  font-size: var(--font-size-small);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: var(--transition-smooth);
  user-select: none;
  cursor: pointer;
}

.toggle-lbl.active {
  color: var(--accent-purple);
  text-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 18px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 18px;
  border: 1px solid var(--border-color);
}

body.theme-light .toggle-slider {
  background-color: rgba(0, 0, 0, 0.08);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-primary);
  transition: .3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-purple);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(14px);
}

/* Salary Cap & Budget Bar */
.pool-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
  margin-bottom: 0.5rem;
}

.pool-header-row h3 {
  border-bottom: none !important;
  padding-bottom: 0 !important;
}

.budget-container {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  width: 170px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.03);
  padding: 5px 8px;
  border-radius: 10px;
}

body.theme-light .budget-container {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.04);
}

.budget-lbl-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-tiny);
  color: var(--text-secondary);
  line-height: 1;
}

.budget-lbl-row strong {
  color: var(--text-primary);
}

.budget-bar {
  height: 5px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

body.theme-light .budget-bar {
  background: rgba(0, 0, 0, 0.08);
}

.budget-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  border-radius: 3px;
  width: 0%;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.budget-fill.over-budget {
  background: var(--accent-red) !important;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

/* Candidate Salary cost Badge */
.cand-salary-badge {
  font-size: var(--font-size-tiny);
  background: rgba(168, 85, 247, 0.1);
  color: var(--accent-purple);
  border: 1px solid rgba(168, 85, 247, 0.2);
  padding: 1px 5px;
  border-radius: 5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

body.theme-light .cand-salary-badge {
  background: rgba(168, 85, 247, 0.08);
}

/* Tap-to-Place mobile interactions styles */
.draggable-candidate.selected-active {
  border-color: var(--accent-cyan) !important;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25), 0 5px 12px rgba(0, 0, 0, 0.3) !important;
  background: rgba(6, 182, 212, 0.04) !important;
}

body.theme-light .draggable-candidate.selected-active {
  background: rgba(6, 182, 212, 0.02) !important;
}

.zone-slot.highlight-target {
  border-color: var(--accent-purple) !important;
  color: var(--accent-purple) !important;
  background: rgba(168, 85, 247, 0.04) !important;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.15) !important;
  animation: glow-pulse-anim 1.5s infinite alternate;
}

@keyframes glow-pulse-anim {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

/* Fiscal compounding canvas styling */
.fiscal-sim-status {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.02);
  padding: 8px 12px;
  border-radius: 10px;
  margin-top: 4px;
}

body.theme-light .fiscal-sim-status {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.04);
}

/* --------------------------------------------------------------------------
   10. APP-LEVEL THEME SWITCHER BUTTONS
   -------------------------------------------------------------------------- */
.theme-switcher {
  display: flex;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  padding: 2px;
  border-radius: 8px;
  gap: 1px;
}

body.theme-light .theme-switcher {
  background: rgba(0, 0, 0, 0.04);
}

.theme-btn {
  background: transparent;
  border: none;
  font-size: var(--font-size-small);
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.theme-btn:hover {
  background: rgba(255, 255, 255, 0.04);
}

body.theme-light .theme-btn:hover {
  background: rgba(0, 0, 0, 0.03);
}

.theme-btn.active {
  background: var(--bg-card);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border-color);
}

body.theme-light .theme-btn.active {
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   11. RETURN-TO-BENCH BUTTON & SALARY CAP INFO BOX STYLING
   ========================================================================== */

/* Return to Bench Button Styling */
.bench-btn-wrapper {
  margin-top: 0.5rem;
  width: 100%;
  display: flex;
  justify-content: center;
}

.bench-btn {
  font-family: var(--font-header);
  font-size: var(--font-size-tiny);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.05);
  border: 1.5px solid rgba(239, 68, 68, 0.15);
  border-radius: 8px;
  padding: 5px 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
  user-select: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bench-btn:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--accent-red);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
}

.bench-btn:active {
  transform: translateY(0);
}

body.theme-light .bench-btn {
  background: rgba(239, 68, 68, 0.04);
  border-color: rgba(239, 68, 68, 0.2);
}

body.theme-light .bench-btn:hover {
  background: rgba(239, 68, 68, 0.08);
}

/* Salary Cap Explanation Info Box */
.salary-cap-info-box {
  background: rgba(168, 85, 247, 0.04);
  border: 1px solid rgba(168, 85, 247, 0.15);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  font-size: var(--font-size-small); /* ~12.8px */
  line-height: var(--line-height-body); /* 1.618 */
  transition: var(--transition-smooth);
}

.salary-cap-info-box h4 {
  font-family: var(--font-header);
  font-size: var(--font-size-small); /* ~12.8px */
  color: var(--accent-purple);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.salary-cap-info-box p {
  color: var(--text-secondary);
  margin: 0;
  text-align: left;
}

.salary-cap-info-box strong.formula-highlight {
  color: var(--text-primary);
  display: block;
  margin: 0.3rem auto;
  font-family: monospace;
  font-size: var(--font-size-small); /* ~12.8px */
  background: rgba(0, 0, 0, 0.25);
  padding: 6px 12px;
  border-radius: 6px;
  text-align: center;
  max-width: max-content;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

body.theme-light .salary-cap-info-box {
  background: rgba(168, 85, 247, 0.03);
  border-color: rgba(168, 85, 247, 0.12);
}

body.theme-light .salary-cap-info-box strong.formula-highlight {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.04);
}