/* ==========================================================================
   QuestShift Brand Design Tokens & Core Variables
   Matching public/index.html style guide
   ========================================================================== */
:root {
  --qs-navy: #0D1117;
  --qs-navy-deep: #080B0F;
  --qs-navy-surface: rgba(22, 27, 34, 0.7);
  --qs-navy-solid: #161B22;
  --qs-surface-card: rgba(26, 32, 44, 0.65);
  --qs-surface-hover: rgba(38, 46, 59, 0.75);

  --qs-border: rgba(240, 246, 252, 0.14);
  --qs-border-subtle: rgba(255, 255, 255, 0.08);
  --qs-border-focus: rgba(6, 182, 212, 0.65);

  --qs-white: #F0F6FC;
  --qs-muted: #9AA7B8;
  --qs-subtext: #C9D1D9;

  --qs-amber: #FFB020;
  --qs-orange: #FF6B35;
  --qs-teal: #06B6D4;
  --qs-violet: #8B5CF6;
  --qs-lime: #D4FF3A;
  --qs-coral: #FF5F56;
  --qs-emerald: #10B981;

  --qs-gradient-shift: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
  --qs-gradient-amber: linear-gradient(135deg, #FFB020 0%, #FF6B35 100%);
  --qs-gradient-active: linear-gradient(135deg, #D4FF3A 0%, #06B6D4 100%);

  --qs-glass-blur: blur(18px);
  --qs-glass-blur-sm: blur(12px);
  --qs-glass-blur-lg: blur(24px);

  --qs-shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --qs-shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
  --qs-shadow-lg: 0 24px 56px rgba(0, 0, 0, 0.65);
  --qs-inner-rim: inset 0 1px 0 rgba(255, 255, 255, 0.15);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  background-color: var(--qs-navy);
  color: var(--qs-white);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html,
* {
  scrollbar-width: thin;
  scrollbar-color: #465264 var(--qs-navy-deep);
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: var(--qs-navy-deep);
}

*::-webkit-scrollbar-thumb {
  background: #465264;
  border: 2px solid var(--qs-navy-deep);
  border-radius: var(--radius-full);
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--qs-teal);
}

*::-webkit-scrollbar-corner {
  background: var(--qs-navy-deep);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.55;
  position: relative;
  background: radial-gradient(circle at 50% 0%, #161D2B 0%, var(--qs-navy) 55%, var(--qs-navy-deep) 100%);
  display: flex;
  flex-direction: column;
}

/* Subtle Background Grid Pattern */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 25%, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at 50% 25%, black 40%, transparent 85%);
}

/* Glowing Ambient Blobs for Glassmorphism Refraction */
.ambient-blobs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(95px);
  -webkit-filter: blur(95px);
  opacity: 0.42;
  animation: floatBlob 24s ease-in-out infinite alternate;
  will-change: transform;
}

.blob-violet {
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, #8B5CF6 0%, rgba(139, 92, 246, 0) 70%);
  top: -120px;
  left: 15%;
}

.blob-teal {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #06B6D4 0%, rgba(6, 182, 212, 0) 70%);
  top: 250px;
  right: -80px;
  animation-duration: 28s;
  animation-direction: alternate-reverse;
  opacity: 0.38;
}

.blob-amber {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #FFB020 0%, rgba(255, 176, 32, 0) 70%);
  top: 50%;
  left: -100px;
  animation-duration: 32s;
  opacity: 0.25;
}

.blob-lime {
  width: 540px;
  height: 540px;
  background: radial-gradient(circle, #D4FF3A 0%, rgba(212, 255, 58, 0) 70%);
  bottom: 8%;
  right: 18%;
  animation-duration: 30s;
  opacity: 0.22;
}

@keyframes floatBlob {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(45px, 40px, 0) scale(1.06); }
  100% { transform: translate3d(-35px, 60px, 0) scale(0.96); }
}

/* Glassmorphism Surface Rules */
.glass-panel {
  background: var(--qs-navy-surface);
  backdrop-filter: var(--qs-glass-blur);
  -webkit-backdrop-filter: var(--qs-glass-blur);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--qs-shadow-md), var(--qs-inner-rim);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.glass-pill {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--qs-glass-blur-sm);
  -webkit-backdrop-filter: var(--qs-glass-blur-sm);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-full);
  box-shadow: var(--qs-inner-rim);
}

.container {
  width: 100%;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */
.header {
  position: sticky;
  top: 16px;
  z-index: 100;
  margin-bottom: 24px;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 22px;
  border-radius: var(--radius-full);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: var(--qs-glass-blur);
  -webkit-backdrop-filter: var(--qs-glass-blur);
  border: 1px solid var(--qs-border);
  box-shadow: var(--qs-shadow-md), var(--qs-inner-rim);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.brand-mark-svg {
  width: 34px;
  height: 34px;
  display: block;
}

.brand-wordmark {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
}

.brand-quest { color: var(--qs-white); }
.brand-shift {
  background: var(--qs-gradient-shift);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.nav-link {
  color: var(--qs-subtext);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

.nav-link:hover { color: var(--qs-white); }

.nav-link.active {
  color: var(--qs-white);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--qs-gradient-shift);
  border-radius: var(--radius-full);
}

.nav-live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--qs-white);
  text-decoration: none;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--qs-lime);
  box-shadow: 0 0 10px var(--qs-lime);
  animation: pulseGreen 2s infinite ease-in-out;
}

@keyframes pulseGreen {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-ghost {
  color: var(--qs-subtext);
  background: transparent;
  border: 1px solid transparent;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-ghost:hover {
  color: var(--qs-white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-primary {
  background: var(--qs-gradient-shift);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.4), var(--qs-inner-rim);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.5), var(--qs-inner-rim);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--qs-white);
  border: 1px solid var(--qs-border);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   Page Hero Section
   ========================================================================== */
.features-hero {
  padding-top: 10px;
  padding-bottom: 24px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--qs-teal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.08);
}

.features-title {
  font-size: 38px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.text-gradient {
  background: var(--qs-gradient-shift);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.features-subtitle {
  font-size: 15px;
  line-height: 1.6;
  color: var(--qs-subtext);
  max-width: 820px;
  margin-bottom: 20px;
}

/* Stats and Toolbar Bar */
.roadmap-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(18, 23, 31, 0.7);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-md);
  margin-bottom: 28px;
  box-shadow: var(--qs-shadow-sm), var(--qs-inner-rim);
}

.toolbar-left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  flex: 1;
}

.search-box-wrap {
  position: relative;
  min-width: 240px;
  max-width: 320px;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--qs-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 38px;
  padding: 0 12px 0 36px;
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-sm);
  color: var(--qs-white);
  font-size: 13px;
  font-family: var(--font-sans);
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--qs-teal);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.filter-category-select {
  height: 38px;
  padding: 0 12px;
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-sm);
  color: var(--qs-white);
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-category-select:focus {
  outline: none;
  border-color: var(--qs-teal);
}

.stage-counts-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.count-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--qs-border-subtle);
  color: var(--qs-subtext);
}

.count-pill .pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.count-pill.s1 .pill-dot { background: var(--qs-lime); }
.count-pill.s2 .pill-dot { background: var(--qs-amber); }
.count-pill.s3 .pill-dot { background: var(--qs-violet); }

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.stage-layout-control {
  height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 11px;
  background: rgba(13, 17, 23, 0.72);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-sm);
}

.stage-layout-label {
  color: var(--qs-subtext);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.stage-layout-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--qs-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}

.stage-layout-toggle:focus-visible {
  outline: 2px solid var(--qs-teal);
  outline-offset: 3px;
  border-radius: var(--radius-full);
}

.stage-layout-value {
  min-width: 8px;
  transition: color 0.2s ease;
}

.stage-layout-toggle:not([aria-checked="true"]) .stage-layout-value:first-child,
.stage-layout-toggle[aria-checked="true"] .stage-layout-value:last-child {
  color: var(--qs-white);
}

.stage-layout-track {
  width: 34px;
  height: 18px;
  padding: 2px;
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-full);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.stage-layout-thumb {
  width: 12px;
  height: 12px;
  background: var(--qs-teal);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.5);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.stage-layout-toggle[aria-checked="true"] .stage-layout-track {
  background: rgba(139, 92, 246, 0.2);
  border-color: rgba(139, 92, 246, 0.45);
}

.stage-layout-toggle[aria-checked="true"] .stage-layout-thumb {
  background: var(--qs-violet);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.55);
  transform: translateX(16px);
}

/* ==========================================================================
   3 Stages Layout Grid
   ========================================================================== */
.stages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 60px;
}

.stages-grid.stages-grid--rows {
  grid-template-columns: 1fr;
  gap: 28px;
}

.stages-grid.stages-grid--rows .stage-column {
  min-height: 0;
}

.stages-grid.stages-grid--rows .cards-dropzone {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.stages-grid.stages-grid--rows .empty-stage-notice {
  grid-column: 1 / -1;
}

@media (max-width: 1080px) {
  .stages-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .stage-layout-control {
    display: none;
  }
}

/* Individual Stage Column */
.stage-column {
  background: rgba(16, 21, 28, 0.72);
  backdrop-filter: var(--qs-glass-blur);
  -webkit-backdrop-filter: var(--qs-glass-blur);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--qs-shadow-md), var(--qs-inner-rim);
  display: flex;
  flex-direction: column;
  min-height: 580px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.stage-column::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 2;
}

.stage-column[data-stage="stage-1"]::before {
  background: linear-gradient(90deg, var(--qs-lime), var(--qs-teal));
}

.stage-column[data-stage="stage-2"]::before {
  background: linear-gradient(90deg, var(--qs-amber), var(--qs-orange));
}

.stage-column[data-stage="stage-3"]::before {
  background: linear-gradient(90deg, var(--qs-violet), var(--qs-coral));
}

/* Stage Column Header */
.stage-header {
  padding: 20px 20px 16px 20px;
  border-bottom: 1px solid var(--qs-border-subtle);
  background: rgba(22, 27, 34, 0.45);
}

.stage-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.stage-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
}

.stage-column[data-stage="stage-1"] .stage-tag {
  background: rgba(212, 255, 58, 0.12);
  color: var(--qs-lime);
  border: 1px solid rgba(212, 255, 58, 0.25);
}

.stage-column[data-stage="stage-2"] .stage-tag {
  background: rgba(255, 176, 32, 0.12);
  color: var(--qs-amber);
  border: 1px solid rgba(255, 176, 32, 0.25);
}

.stage-column[data-stage="stage-3"] .stage-tag {
  background: rgba(139, 92, 246, 0.14);
  color: #C4B5FD;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.stage-card-count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--qs-muted);
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.stage-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--qs-white);
  margin-bottom: 4px;
}

.stage-desc {
  font-size: 12px;
  line-height: 1.45;
  color: var(--qs-muted);
  margin-bottom: 12px;
}

.stage-add-btn {
  width: 100%;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed var(--qs-border);
  border-radius: var(--radius-sm);
  color: var(--qs-subtext);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.stage-add-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--qs-white);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Stage Cards Container / Drop Zone */
.cards-dropzone {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 250px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.cards-dropzone.drag-over {
  background: rgba(6, 182, 212, 0.07);
  outline: 2px dashed var(--qs-teal);
  outline-offset: -6px;
  border-radius: var(--radius-md);
}

/* Empty State */
.empty-stage-notice {
  padding: 36px 16px;
  text-align: center;
  color: var(--qs-muted);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 1px dashed var(--qs-border-subtle);
  border-radius: var(--radius-md);
  margin: auto 0;
}

.empty-stage-notice svg {
  opacity: 0.4;
  color: var(--qs-muted);
}

/* ==========================================================================
   Feature Card Component
   ========================================================================== */
.feature-card {
  background: rgba(22, 27, 34, 0.85);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--qs-shadow-sm), var(--qs-inner-rim);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  cursor: grab;
  position: relative;
  user-select: none;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.26);
  box-shadow: var(--qs-shadow-md), 0 0 16px rgba(139, 92, 246, 0.15);
}

.feature-card:active {
  cursor: grabbing;
}

.feature-card.is-dragging {
  opacity: 0.35;
  transform: scale(0.98);
  border-style: dashed;
  border-color: var(--qs-teal);
}

/* Card Header */
.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-badges-left {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.badge-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-cat.autonomy { background: rgba(139, 92, 246, 0.16); color: #C4B5FD; border: 1px solid rgba(139, 92, 246, 0.3); }
.badge-cat.world { background: rgba(6, 182, 212, 0.16); color: var(--qs-teal); border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-cat.memory { background: rgba(212, 255, 58, 0.14); color: var(--qs-lime); border: 1px solid rgba(212, 255, 58, 0.3); }
.badge-cat.security { background: rgba(255, 95, 86, 0.16); color: var(--qs-coral); border: 1px solid rgba(255, 95, 86, 0.3); }
.badge-cat.devtools { background: rgba(255, 176, 32, 0.16); color: var(--qs-amber); border: 1px solid rgba(255, 176, 32, 0.3); }
.badge-cat.swarms { background: rgba(255, 107, 53, 0.16); color: var(--qs-orange); border: 1px solid rgba(255, 107, 53, 0.3); }

.badge-priority {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.badge-priority.p0 { background: rgba(255, 95, 86, 0.2); color: var(--qs-coral); }
.badge-priority.p1 { background: rgba(255, 176, 32, 0.2); color: var(--qs-amber); }
.badge-priority.p2 { background: rgba(16, 185, 129, 0.2); color: var(--qs-emerald); }

.card-actions-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-card-action {
  width: 26px;
  height: 26px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--qs-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-card-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--qs-white);
}

.btn-card-remove:hover {
  background: rgba(255, 95, 86, 0.15);
  color: var(--qs-coral);
  border-color: rgba(255, 95, 86, 0.3);
}

/* Card Body */
.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--qs-white);
  line-height: 1.35;
}

.card-description {
  font-size: 13px;
  line-height: 1.5;
  color: var(--qs-subtext);
}

/* Card Footer */
.card-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  border-top: 1px solid var(--qs-border-subtle);
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--qs-muted);
}

.card-meta-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.agent-role-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--qs-subtext);
}

.agent-role-pill svg {
  color: var(--qs-teal);
}

.card-effort {
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
}

/* Quick Move Dropdown Menu on Card */
.move-stage-select {
  background: rgba(13, 17, 23, 0.7);
  border: 1px solid var(--qs-border);
  color: var(--qs-subtext);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.move-stage-select:focus,
.move-stage-select:hover {
  color: var(--qs-white);
  border-color: var(--qs-teal);
  outline: none;
}

/* ==========================================================================
   Modal Dialogs (Add Feature)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(8, 11, 15, 0.82);
  backdrop-filter: var(--qs-glass-blur-sm);
  -webkit-backdrop-filter: var(--qs-glass-blur-sm);
}

.modal-overlay[hidden] {
  display: none !important;
}

.modal-card {
  width: 100%;
  max-width: 520px;
  padding: 28px;
  background: var(--qs-navy-solid);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--qs-shadow-lg), var(--qs-inner-rim);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.modal-header h2 {
  font-size: 20px;
  font-weight: 800;
  color: var(--qs-white);
  letter-spacing: -0.02em;
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--qs-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.btn-close-modal:hover {
  color: var(--qs-white);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--qs-subtext);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input {
  width: 100%;
  height: 42px;
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-sm);
  color: var(--qs-white);
  padding: 0 14px;
  font-size: 14px;
  font-family: var(--font-sans);
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--qs-teal);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.form-textarea {
  width: 100%;
  min-height: 90px;
  background: rgba(13, 17, 23, 0.85);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-sm);
  color: var(--qs-white);
  padding: 10px 14px;
  font-size: 13px;
  font-family: var(--font-sans);
  line-height: 1.5;
  resize: vertical;
  transition: all 0.2s ease;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--qs-teal);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background: rgba(22, 27, 34, 0.95);
  border: 1px solid var(--qs-border);
  border-radius: var(--radius-md);
  box-shadow: var(--qs-shadow-lg), var(--qs-inner-rim);
  font-size: 13px;
  color: var(--qs-white);
  backdrop-filter: var(--qs-glass-blur-sm);
  -webkit-backdrop-filter: var(--qs-glass-blur-sm);
  animation: slideInToast 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

@keyframes slideInToast {
  from { opacity: 0; transform: translateY(14px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.toast.toast-undo-btn {
  background: rgba(6, 182, 212, 0.15);
  color: var(--qs-teal);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--qs-border);
  background: rgba(13, 17, 23, 0.9);
  padding: 48px 0 32px 0;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--qs-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--qs-white);
}

.footer-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--qs-border-subtle);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--qs-subtext);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 12px;
  color: var(--qs-muted);
  flex-wrap: wrap;
  gap: 12px;
}