:root {
  /* Clinical blueprint on frosted paper — DESIGN.md tokens */
  --color-canvas: #f5f5f5;
  --color-paper: #ffffff;
  --color-surface-alt: #fafafa;
  --color-ink: #0a0a0a;
  --color-ink-soft: #171717;
  --color-mid-gray: #737373;
  --color-hairline: #e5e5e5;
  --color-ember: #e7000b;

  --sec-1: #2563eb;
  --sec-2: #d97706;
  --sec-3: #059669;

  --radius-card: 24px;
  --radius-pill: 18px;
  --radius-small: 6px;

  --shadow-card: 0 0 0 1px rgba(23, 23, 23, 0.05), 0 1px 3px rgba(0, 0, 0, 0.07), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  --shadow-drawer: -4px 0 24px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 20px 40px -10px rgba(0, 0, 0, 0.12);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Merriweather", Georgia, serif;

  --bottom-bar-height: 56px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  position: fixed;
}

body {
  font-family: var(--font-sans);
  background: var(--color-canvas);
  color: var(--color-ink);
  display: flex;
  flex-direction: column;
}

button, select, input, .topic-card, .hero-card, .ticket-item, .quote-item {
  touch-action: manipulation;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #d4d4d4;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #a3a3a3;
}

/* ------------------------------------------------------------------ */
/* TOP NAVIGATION HEADER                                              */
/* ------------------------------------------------------------------ */
header {
  height: 60px;
  flex-shrink: 0;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-hairline);
  padding: 0 1.5rem;
  padding-top: env(safe-area-inset-top, 0);
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 50;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
}

.logo-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.logo-text h1 {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  line-height: 1.2;
}

.logo-text p {
  font-size: 0.72rem;
  color: var(--color-mid-gray);
  line-height: 1;
}

/* Desktop Navigation Tabs */
.nav-tabs {
  display: flex;
  background: var(--color-canvas);
  border-radius: var(--radius-pill);
  padding: 3px;
  border: 1px solid var(--color-hairline);
  gap: 2px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--color-mid-gray);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-ink);
}

.tab-btn.active {
  color: var(--color-ink);
  background: var(--color-paper);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--color-ink);
  color: #fafafa;
  border: none;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.82rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: opacity 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn-primary:hover {
  opacity: 0.88;
}
.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: #ebebeb;
}
.btn-secondary.active {
  background: #171717;
  color: #fafafa;
  border-color: #171717;
}

/* ------------------------------------------------------------------ */
/* MAIN CONTENT VIEWPORTS                                             */
/* ------------------------------------------------------------------ */
main {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--color-canvas);
  height: 100%;
}

.view-section {
  display: none !important;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}
.view-section.active {
  display: flex !important;
  flex-direction: column;
}

/* ------------------------------------------------------------------ */
/* VIEW 1: GALAXY MAP CANVAS                                          */
/* ------------------------------------------------------------------ */
#view-map {
  background: #fafafa;
  position: relative;
  overflow: hidden;
}

#galaxy-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}
#galaxy-canvas:active {
  cursor: grabbing;
}

.map-top-bar {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  max-width: 90vw;
}

.bar-label {
  font-size: 0.8rem;
  color: var(--color-mid-gray);
  white-space: nowrap;
}

#map-cluster-jump {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
  max-width: 240px;
}

.map-hud {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  left: max(1.5rem, env(safe-area-inset-left, 0));
  z-index: 20;
  pointer-events: none;
}

.map-legend {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 14px;
  padding: 0.6rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-ink-soft);
  font-weight: 500;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.map-controls {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  right: max(1.5rem, env(safe-area-inset-right, 0));
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ctrl-btn {
  width: 40px;
  height: 40px;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 50%;
  color: var(--color-ink);
  font-size: 1.15rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: all 0.15s;
  user-select: none;
}
.ctrl-btn:hover {
  background: #f5f5f5;
  transform: scale(1.04);
}
.ctrl-btn:active {
  transform: scale(0.96);
}

.map-tooltip {
  position: absolute;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  max-width: 310px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  pointer-events: none;
  z-index: 30;
  display: none;
}

.tooltip-header {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--sec-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.tooltip-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.tooltip-heroes {
  font-size: 0.75rem;
  color: var(--color-mid-gray);
}

/* ------------------------------------------------------------------ */
/* VIEW 2: TOPICS LIST & SEARCH                                       */
/* ------------------------------------------------------------------ */
#view-list {
  background: var(--color-canvas);
}

.filter-bar {
  padding: 0.75rem 1.5rem;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
}

.filter-top-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.search-input-wrap {
  position: relative;
  flex: 1;
}
.search-input-wrap input {
  width: 100%;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  padding: 0.5rem 2rem 0.5rem 2.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.search-input-wrap input:focus {
  border-color: var(--color-ink);
  background: #fff;
}
.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-mid-gray);
  font-size: 0.85rem;
  pointer-events: none;
}
.search-clear-btn {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: #e5e5e5;
  border: none;
  border-radius: 50%;
  color: #525252;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.filter-toggle-btn {
  display: none; /* hidden on desktop */
  align-items: center;
  gap: 0.35rem;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-active-dot {
  width: 7px;
  height: 7px;
  background: var(--sec-1);
  border-radius: 50%;
}

.filters-collapsible {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.filter-select {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  outline: none;
  cursor: pointer;
}

/* Quick One-Tap Filter Chips Ribbon (Single line, horizontal momentum scroll) */
.quick-chips-bar {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  gap: 6px;
  padding: 8px 1.5rem;
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-hairline);
  scrollbar-width: none;
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
}
.quick-chips-bar::-webkit-scrollbar {
  display: none;
}

.chip-btn {
  flex-shrink: 0;
  white-space: nowrap;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}
.chip-btn:hover {
  background: #f0f0f0;
}
.chip-btn.active {
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}

.topics-grid-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.list-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--color-mid-gray);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.per-page-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.topic-card {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s, transform 0.15s;
}
.topic-card:hover {
  border-color: #a3a3a3;
  transform: translateY(-1px);
}
.topic-card:active {
  transform: scale(0.99);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.card-id-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-mid-gray);
}

.card-score {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-ink);
}

.card-topic-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: 0.6rem;
}

.card-cluster-pill {
  font-size: 0.72rem;
  color: var(--color-mid-gray);
  background: var(--color-canvas);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 0.6rem;
}

.card-heroes-row {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.hero-tag {
  font-size: 0.72rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

/* Pagination Bar */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}

.page-btn {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  color: var(--color-ink);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.page-btn:hover:not(:disabled) {
  background: var(--color-canvas);
}
.page-btn.active {
  background: var(--color-ink);
  color: #fafafa;
  border-color: var(--color-ink);
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ------------------------------------------------------------------ */
/* VIEW 3: HEROES VIEW                                                */
/* ------------------------------------------------------------------ */
#view-heroes {
  background: var(--color-canvas);
}

.heroes-grid-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
}

.heroes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.hero-card {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  padding: 1.15rem;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s, transform 0.15s;
}
.hero-card:hover {
  border-color: #a3a3a3;
  transform: translateY(-1px);
}
.hero-card:active {
  transform: scale(0.99);
}

.hero-card-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hero-card-count {
  font-size: 0.72rem;
  background: var(--color-canvas);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: var(--color-mid-gray);
}
.hero-card-sub {
  font-size: 0.75rem;
  color: var(--color-mid-gray);
  margin-top: 0.35rem;
}
.hero-card-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.78rem;
  color: #374151;
  background: #fdfae7;
  padding: 0.45rem 0.7rem;
  border-radius: 6px;
  margin-top: 0.6rem;
  line-height: 1.35;
}

/* ------------------------------------------------------------------ */
/* VIEW 4: QUOTES VIEW                                                */
/* ------------------------------------------------------------------ */
#view-quotes {
  background: var(--color-canvas);
}

.quotes-list-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
}

.quotes-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 1000px;
  margin: 0 auto;
}

.quote-item {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-left: 3px solid var(--color-ink);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.1s ease;
}
.quote-item:active {
  transform: scale(0.99);
}

.quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--color-ink);
  line-height: 1.45;
}

.quote-meta {
  font-size: 0.78rem;
  color: var(--color-mid-gray);
  margin-top: 0.35rem;
}

/* ------------------------------------------------------------------ */
/* TOPIC DRAWER & MOBILE BOTTOM SHEET                                 */
/* ------------------------------------------------------------------ */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.topic-drawer {
  position: fixed;
  top: 60px;
  right: 0;
  bottom: 0;
  width: 500px;
  max-width: 90vw;
  background: var(--color-paper);
  border-left: 1px solid var(--color-hairline);
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-drawer);
}
.topic-drawer.open {
  transform: translateX(0);
}

.drawer-drag-handle {
  display: none;
}

.drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-shrink: 0;
}

.drawer-badges-row {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.badge-outline {
  font-size: 0.72rem;
  font-weight: 500;
  border: 1px solid var(--color-hairline);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  background: var(--color-canvas);
}

.drawer-topic-text {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-ink);
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-mid-gray);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: color 0.15s;
}
.drawer-close:hover {
  color: var(--color-ink);
}

.drawer-hero-nav {
  padding: 0.55rem 1.5rem;
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  gap: 0.4rem;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}
.drawer-hero-nav::-webkit-scrollbar { display: none; }

.drawer-hero-chip {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.drawer-hero-chip:hover, .drawer-hero-chip.active {
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--color-surface-alt);
  -webkit-overflow-scrolling: touch;
}

.card-block {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}

.block-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-mid-gray);
  margin-bottom: 0.65rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.thesis-text {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-ink);
}

.arg-card {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease;
}
.arg-card.target-highlight {
  box-shadow: 0 0 0 2px var(--color-ink), var(--shadow-card);
}

.arg-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.arg-hero {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-ink);
}

.arg-book {
  font-size: 0.75rem;
  color: var(--color-mid-gray);
  background: var(--color-canvas);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.arg-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-mid-gray);
  margin-top: 0.65rem;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.arg-desc {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.arg-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--color-ink);
  background: #fbfbba;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid #ca8a04;
  border-radius: 4px;
  margin-top: 0.75rem;
}

.drawer-actions {
  padding: 1rem 1.5rem;
  background: var(--color-paper);
  border-top: 1px solid var(--color-hairline);
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-copy {
  flex: 1;
  background: var(--color-ink);
  border: none;
  color: #fff;
  padding: 0.7rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.88rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: opacity 0.15s;
}
.btn-copy:hover {
  opacity: 0.88;
}

/* ------------------------------------------------------------------ */
/* EXAM ROULETTE MODAL                                                */
/* ------------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open {
  display: flex;
}

.modal-content {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  width: 820px;
  max-width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--color-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.modal-body {
  padding: 1.5rem 1.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--color-surface-alt);
}

.roulette-ticket {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}

.ticket-header {
  text-align: center;
  margin-bottom: 1rem;
}
.ticket-header h3 {
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 600;
}
.ticket-header p {
  font-size: 0.78rem;
  color: var(--color-mid-gray);
  margin-top: 0.2rem;
}

.ticket-topics-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.ticket-item {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-hairline);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}
.ticket-item:hover {
  border-color: var(--color-ink);
  background: #fff;
}

.ticket-num {
  font-weight: 600;
  color: var(--color-ink);
  font-size: 0.85rem;
}
.ticket-text {
  font-size: 0.9rem;
  color: var(--color-ink);
  font-weight: 500;
}

/* ------------------------------------------------------------------ */
/* TOAST NOTIFICATION                                                 */
/* ------------------------------------------------------------------ */
.toast {
  position: fixed;
  bottom: calc(var(--bottom-bar-height) + 1.25rem);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-ink);
  color: #fff;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  z-index: 3000;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  white-space: nowrap;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ------------------------------------------------------------------ */
/* MOBILE BOTTOM TAB BAR                                              */
/* ------------------------------------------------------------------ */
.mobile-bottom-nav {
  display: none;
}
.mobile-tab-btn {
  -webkit-appearance: none;
  appearance: none;
  border: none;
  background: transparent;
  outline: none;
  box-shadow: none;
  font-family: inherit;
}

.btn-text-mobile {
  display: none;
}

/* ------------------------------------------------------------------ */
/* RESPONSIVE MEDIA QUERIES (iPhones, Androids, Tablets, iPad)        */
/* ------------------------------------------------------------------ */

/* TABLET (768px - 1024px) */
@media (max-width: 1024px) {
  .topic-drawer {
    width: 440px;
  }
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .heroes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* SMARTPHONES & SMALL SCREENS (<= 768px) */
@media (max-width: 768px) {
  /* Hide desktop header tabs */
  .desktop-only {
    display: none !important;
  }
  .btn-text-desktop {
    display: none !important;
  }
  .btn-text-mobile {
    display: inline-block !important;
    font-size: 0.76rem !important;
  }

  /* Sleek, professional native mobile bottom nav bar */
  .mobile-bottom-nav {
    display: flex !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100vw !important;
    height: calc(56px + env(safe-area-inset-bottom, 0)) !important;
    background: #ffffff !important;
    border-top: 1px solid var(--color-hairline) !important;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.05) !important;
    z-index: 500 !important;
    padding: 0 0 env(safe-area-inset-bottom, 0) 0 !important;
    margin: 0 !important;
  }

  .mobile-tab-btn {
    flex: 1 1 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    padding: 6px 0 !important;
    margin: 0 !important;
    color: var(--color-mid-gray) !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    -webkit-appearance: none !important;
    appearance: none !important;
    border-radius: 0 !important;
  }

  .mobile-tab-btn.active {
    color: var(--color-ink) !important;
    font-weight: 600 !important;
  }

  .mobile-tab-btn .tab-svg {
    width: 22px !important;
    height: 22px !important;
    stroke: var(--color-mid-gray) !important;
    margin-bottom: 2px !important;
    display: block !important;
    transition: stroke 0.15s ease;
  }

  .mobile-tab-btn.active .tab-svg {
    stroke: var(--color-ink) !important;
  }

  /* Header becomes sleek single row */
  header {
    height: 52px !important;
    padding: 0 0.85rem !important;
    padding-top: env(safe-area-inset-top, 0) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 0.5rem !important;
  }
  .logo-group {
    gap: 0.4rem !important;
    min-width: 0 !important;
  }
  .logo-icon {
    font-size: 1.15rem !important;
  }
  .logo-text h1 {
    font-size: 0.9rem !important;
    white-space: nowrap !important;
  }
  .logo-sub {
    display: none !important;
  }
  .header-actions {
    gap: 0.35rem !important;
  }
  .header-actions .btn-text {
    display: inline-block !important;
    font-size: 0.74rem !important;
  }
  .btn-primary, .btn-secondary {
    padding: 0.35rem 0.65rem !important;
    font-size: 0.78rem !important;
  }

  /* Main content accounts for bottom bar */
  main {
    padding-bottom: calc(var(--bottom-bar-height) + env(safe-area-inset-bottom, 0));
  }

  /* Map Controls repositioned above bottom nav */
  .map-controls {
    bottom: calc(var(--bottom-bar-height) + 1rem + env(safe-area-inset-bottom, 0));
    right: 1rem;
  }
  .map-hud {
    bottom: calc(var(--bottom-bar-height) + 1rem + env(safe-area-inset-bottom, 0));
    left: 1rem;
    max-width: 200px;
  }
  .map-legend {
    padding: 0.4rem 0.65rem;
    font-size: 0.68rem;
  }

  .map-top-bar {
    width: 92%;
    top: 0.6rem;
    padding: 0.3rem 0.65rem;
  }
  #map-cluster-jump {
    max-width: 160px;
  }

  /* Filter bar inputs iOS auto-zoom prevention */
  .search-input-wrap input, .filter-select {
    font-size: 16px !important;
  }

  .filter-bar {
    padding: 0.6rem 0.85rem;
  }
  .filter-toggle-btn {
    display: flex !important;
  }
  .filter-toggle-btn.active {
    background: var(--color-ink) !important;
    color: #ffffff !important;
    border-color: var(--color-ink) !important;
  }
  .filter-toggle-btn.active .filter-toggle-text {
    color: #ffffff !important;
  }
  .filters-collapsible {
    display: none !important;
    width: 100% !important;
    flex-direction: column !important;
    gap: 0.45rem !important;
    padding-top: 0.5rem !important;
  }
  .filters-collapsible.open {
    display: flex !important;
  }
  .filters-collapsible .filter-select {
    width: 100% !important;
  }

  .quick-chips-bar {
    padding: 0.45rem 0.85rem;
  }

  .topics-grid-wrap, .heroes-grid-wrap, .quotes-list-wrap {
    padding: 0.85rem;
  }

  /* Single column cards on phones */
  .topics-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .heroes-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  /* Mobile Bottom Sheet Drawer */
  .topic-drawer {
    width: 100vw;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    height: 88vh;
    max-height: 88vh;
    border-radius: 24px 24px 0 0;
    border-left: none;
    border-top: 1px solid var(--color-hairline);
    transform: translateY(100%);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
  }
  .topic-drawer.open {
    transform: translateY(0);
  }

  .drawer-drag-handle {
    display: block;
    width: 38px;
    height: 5px;
    background: #d4d4d4;
    border-radius: 3px;
    margin: 10px auto 4px auto;
    cursor: grab;
    flex-shrink: 0;
  }

  .drawer-header {
    padding: 0.85rem 1.25rem 0.65rem 1.25rem;
  }
  .drawer-topic-text {
    font-size: 0.98rem;
  }

  .drawer-body {
    padding: 1rem 1.25rem;
  }

  .drawer-actions {
    padding: 0.75rem 1.25rem;
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0));
  }

  /* Modal responsive on mobile */
  .modal-overlay {
    padding: 0.5rem;
    align-items: flex-end;
  }
  .modal-content {
    width: 100%;
    max-width: 100%;
    max-height: 85vh;
    border-radius: 24px 24px 0 0;
  }
  .modal-header {
    padding: 1rem 1.25rem;
  }
  .modal-body {
    padding: 1rem 1.25rem;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0));
  }

  .quote-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    gap: 0.6rem;
  }
  .quote-item button {
    align-self: flex-end;
  }
}