@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500&display=swap');

:root {
  --c-base: #080808;
  --c-surface: #111111;
  --c-elevated: #1C1C1C;
  --c-border: #2A2A2A;
  --c-border-mid: #3D3D3D;
  --c-accent: #F5A623;
  --c-text: #F0F0F0;
  --c-muted: #888888;
  --c-faint: #444444;

  /* Neon nightlife accent pair, layered with the existing warm
     --c-accent for a three-stop brand gradient. Defined once here so
     every other rule references them via var(--c-*) -- see
     test_style_css_responsive.py's approved-palette check, which
     forbids raw hex literals anywhere outside a --c-* definition
     line like this one. */
  --c-accent-pink: #FF2E7A;
  --c-accent-violet: #8B5CF6;

  /* Translucent glow/glass variants -- rgba(), not hex, so these sit
     outside the hex-literal check entirely while still giving every
     other rule a single named source of truth to reference. */
  --c-glow-pink: rgba(255, 46, 122, 0.45);
  --c-glow-violet: rgba(139, 92, 246, 0.4);
  --c-glow-amber: rgba(245, 166, 35, 0.3);
  --c-surface-glass: rgba(17, 17, 17, 0.62);
  --c-elevated-glass: rgba(28, 28, 28, 0.72);

  --gradient-brand: linear-gradient(135deg, var(--c-accent-pink), var(--c-accent-violet));
  --gradient-brand-wide: linear-gradient(120deg, var(--c-accent-pink) 0%, var(--c-accent-violet) 55%, var(--c-accent) 100%);

  /* Reward-card-only palette -- deliberately a different, hotter hue
     order (orange -> red -> purple) than --gradient-brand's
     pink -> violet, so the card doesn't blend in as "just more of the
     same UI". --c-* prefix (not e.g. --reward-*) purely to stay
     inside test_style_css_responsive.py's approved-palette check,
     which only exempts hex literals inside a --c-*: definition line. */
  --c-reward-orange: #FFB347;
  --c-reward-red: #FD1D1D;
  --c-reward-purple: #833AB4;
  --c-reward-glow-red: rgba(253, 29, 29, 0.15);
  --c-reward-glow-purple: rgba(131, 58, 180, 0.35);
  --gradient-reward: linear-gradient(135deg, var(--c-reward-orange), var(--c-reward-red) 55%, var(--c-reward-purple));

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--c-base);
  color: var(--c-text);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Atmospheric "club lighting" glow, fixed behind all content. Pure
   decoration -- no template markup needed, so it can't break the
   index.html/style.css class-reconciliation test. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% -10%, var(--c-glow-pink), transparent 40%),
    radial-gradient(circle at 90% 5%, var(--c-glow-violet), transparent 38%),
    radial-gradient(circle at 50% 110%, var(--c-glow-amber), transparent 45%);
  filter: blur(60px);
  opacity: 0.8;
}

.site-header,
.search-form,
.results-main,
.sort-control,
.pagination {
  position: relative;
  z-index: 1;
}

.site-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--c-border);
  background-color: var(--c-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 24px;
}

.tagline {
  margin: 0;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.site-nav {
  margin-left: auto;
}

.site-nav a {
  color: var(--c-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--c-text);
}

.site-footer {
  padding: 16px 32px;
  text-align: center;
  color: var(--c-faint);
  font-size: 0.75rem;
}

.site-footer p {
  margin: 0;
}

.brand {
  display: block;
  font-family: var(--font-display);
  background: var(--gradient-brand-wide);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
  margin: 0;
  font-size: 1.75rem;
  letter-spacing: 0.02em;
  width: fit-content;
  transition: opacity 0.2s ease;
}

.brand:hover {
  opacity: 0.85;
}

select.form-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-md);
  color: var(--c-text);
  font-family: var(--font-body);
  padding: 12px 16px;
  width: 100%;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--c-muted) 50%), linear-gradient(135deg, var(--c-muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(1em + 2px), calc(100% - 15px) calc(1em + 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

select.form-input:focus {
  outline: none;
  border-color: var(--c-accent-violet);
  box-shadow: 0 0 0 3px var(--c-glow-violet);
}

select.form-input option {
  background-color: var(--c-surface);
  color: var(--c-text);
}

select.form-input option:disabled {
  color: var(--c-faint);
}

.form-input {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-md);
  color: var(--c-text);
  font-family: var(--font-body);
  padding: 12px 16px;
  width: 100%;
  min-width: 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--c-accent-violet);
  box-shadow: 0 0 0 3px var(--c-glow-violet);
}

.search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  padding: 24px 32px;
  border-bottom: 1px solid var(--c-border);
  background-color: var(--c-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.search-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 200px;
}

.search-form label {
  font-family: var(--font-body);
  color: var(--c-muted);
  font-size: 0.85rem;
}

.button {
  background: var(--gradient-brand);
  color: var(--c-text);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 700;
  padding: 12px 24px;
  cursor: pointer;
  box-shadow: 0 8px 24px -8px var(--c-glow-pink);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.button:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px -8px var(--c-glow-violet);
  filter: brightness(1.08);
}

.button:active {
  transform: translateY(0) scale(0.99);
}

.quick-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Quick filters share .button's pill shape/sizing/hover-lift affordance
   (per Sprint 14 Subtask 5: "reuse that class rather than inventing a
   new visual style"), but the vivid gradient fill itself is reserved
   for marking the ACTIVE preset -- an inactive quick filter overrides
   .button's background/shadow down to the same muted, outlined
   treatment .genre-pill and .pagination a already use, so there is
   real visual contrast for .pagination .current-page's own pattern
   (filled --gradient-brand) to reuse on the active one. */
.quick-filter {
  display: inline-block;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 8px 16px;
  background: transparent;
  color: var(--c-muted);
  border: 1px solid var(--c-border-mid);
  box-shadow: none;
}

.quick-filter:hover {
  border-color: var(--c-accent-violet);
  color: var(--c-text);
  transform: none;
  box-shadow: none;
}

.quick-filter-active {
  background: var(--gradient-brand);
  color: var(--c-text);
  border-color: transparent;
}

.quick-filter-active:hover {
  border-color: transparent;
}

.date-range-toggle {
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  flex: 1 1 200px;
}

.date-range-toggle summary {
  cursor: pointer;
  color: var(--c-muted);
  padding: 8px 0;
}

/* Filter drawer: on wide viewports .filter-drawer-panel/.search-form
   render exactly as they did before this wrapper was introduced --
   .filter-fab (the mobile pill) is hidden and the checkbox driving
   it is irrelevant. On narrow viewports (see the max-width media
   query below) .filter-fab becomes a sticky pill that toggles a
   full-screen overlay via #filter-toggle:checked, a JS-free
   checkbox-driven disclosure (plain CSS sibling selectors, no
   dependency on the browser's own <details> open/closed rendering,
   which -- unlike a plain element -- cannot be reliably forced open
   again with author CSS once collapsed). */
.filter-toggle-checkbox {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.filter-fab {
  display: none;
  cursor: pointer;
}

.filter-fab-label {
  white-space: nowrap;
}

.filter-fab-label-open {
  display: none;
}

.filter-fab-chip {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--c-muted);
  background-color: var(--c-elevated);
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-full);
  padding: 4px 12px;
}

.intro {
  padding: 32px;
  max-width: 640px;
}

.intro-lede {
  font-family: var(--font-display);
  color: var(--c-text);
  font-size: 1.5rem;
  margin: 0 0 8px;
}

.intro-body {
  font-family: var(--font-body);
  color: var(--c-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

.results-main {
  flex: 1;
  padding: 32px;
}

.results-title {
  font-family: var(--font-display);
  color: var(--c-text);
  font-size: 1.5rem;
  margin: 0 0 16px;
}

.contact-page {
  max-width: 560px;
  padding: 32px;
}

.contact-page > h1 {
  font-family: var(--font-display);
  color: var(--c-text);
  font-size: 1.75rem;
  margin: 0 0 24px;
}

.contact-section {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.contact-section h2 {
  font-family: var(--font-display);
  color: var(--c-text);
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.contact-section > p {
  color: var(--c-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 16px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-form label {
  font-family: var(--font-body);
  color: var(--c-muted);
  font-size: 0.85rem;
  margin-bottom: -6px;
}

.contact-form textarea.form-input {
  resize: vertical;
  font-family: var(--font-body);
}

.contact-form .button {
  align-self: flex-start;
}

.form-success {
  color: var(--c-text);
  background-color: var(--c-elevated);
  border: 1px solid var(--c-accent-violet);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.9rem;
  margin: 0 0 16px;
}

.form-error {
  color: var(--c-text);
  background-color: var(--c-elevated);
  border: 1px solid var(--c-accent-pink);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.9rem;
  margin: 0 0 16px;
}

.results-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.results-header-start {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.results-count {
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  margin: 0;
}

.results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.event-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  touch-action: pan-y;
  user-select: none;
  cursor: grab;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.25s ease, border-color 0.25s ease, background-color 0.25s ease,
    opacity 0.25s ease;
}

/* While a swipe drag is in progress, static/app.js drives transform
   and opacity directly on every pointer move -- the eased transition
   above would lag a finger/cursor by ~250ms, so it's suspended for
   the duration of the drag and restored once the card snaps back or
   the page reloads. */
.event-card-dragging {
  transition: none;
  cursor: grabbing;
}

.event-card[data-favorite="true"] {
  border-color: var(--c-accent);
}

.event-card[data-hidden="true"] {
  opacity: 0.5;
}

.event-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand-wide);
  opacity: 0.85;
}

.event-card:hover {
  background-color: var(--c-elevated);
  border-color: var(--c-accent-violet);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -16px var(--c-glow-violet), 0 8px 20px -12px var(--c-glow-pink);
}

/* Title and favorite/hide icons share a header row rather than the
   icons floating as an absolutely-positioned overlay -- an overlay
   sits on top of the title text once it wraps past one line on a
   narrower card, rather than making room for it. Normal flexbox flow
   guarantees they never overlap regardless of title length. */
.event-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.event-card-header .event-name {
  flex: 1 1 auto;
  min-width: 0;
}

.event-card .event-name {
  font-family: var(--font-display);
  color: var(--c-text);
  font-size: 1.1rem;
  margin: 0;
}

.event-card .event-name a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.event-card .event-name a:hover {
  color: var(--c-accent-pink);
  text-decoration: underline;
}

.event-card .event-venue {
  color: var(--c-muted);
  font-size: 0.9rem;
  margin: 0;
}

.event-card .event-start {
  color: var(--c-faint);
  font-size: 0.85rem;
  margin: 0;
}

.event-genre {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--c-elevated);
  border: 1px solid var(--c-border-mid);
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  padding: 4px 12px;
  margin-top: 4px;
  border-radius: var(--radius-full);
}

.event-card-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 6px;
}

.event-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-full);
  border: none;
  background-color: var(--c-surface);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.event-badge:hover {
  background-color: var(--c-elevated);
  transform: scale(1.08);
}

.event-badge-icon {
  width: 18px;
  height: 18px;
}

/* Default state: grey outline, unfilled. */
.event-badge-favorite .event-badge-icon {
  fill: none;
  stroke: var(--c-muted);
  stroke-width: 1.6;
}

.event-badge-hidden .event-badge-icon .icon-eye-shape {
  fill: none;
}

.event-badge-hidden .event-badge-icon {
  stroke: var(--c-muted);
  stroke-width: 1.6;
}

/* Active state: filled -- brand pink heart, brand violet crossed-out
   eye (the palette has no literal red/blue token; these are the
   closest approved --c-accent-* tones, reused rather than introducing
   new raw colours -- see test_no_hardcoded_hex_colours_outside_approved_palette). */
.event-badge-favorite[aria-pressed="true"] .event-badge-icon {
  fill: var(--c-accent-pink);
  stroke: var(--c-accent-pink);
}

.event-badge-hidden[aria-pressed="true"] .event-badge-icon {
  stroke: var(--c-accent-violet);
}

.event-badge-hidden[aria-pressed="true"] .event-badge-icon .icon-eye-shape {
  fill: var(--c-accent-violet);
}

/* Sponsored partner-offer card, rendered as one of the .results list
   items (see templates/index.html) so it sits inline with the event
   cards it interrupts. Deliberately styled to stand apart -- a
   different gradient direction/hue than the rest of the page, a
   tinted outer glow instead of a flat shadow, and a spring-eased
   pop-in -- rather than blending in as "just another card". */
.reward-card {
  /* span 1 here is the safe default -- it can NEVER force CSS Grid to
     create an extra implicit column. static/app.js's sizeRewardCard()
     overrides this inline to "span 2" once it knows the real column
     count (see there for why: confirmed live that grid-column: span N
     for an N the grid doesn't actually have at a given width does NOT
     clamp down gracefully -- it forces an extra implicit column sized
     by grid-auto-columns (default "auto"), which corrupted EVERY
     row's column widths, not just this card's row, since column
     tracks are shared across the whole grid). */
  grid-column: span 1;
  border-radius: var(--radius-lg);
  padding: 20px;
  background: var(--gradient-reward);
  color: var(--c-text);
  box-shadow: 0 0 0 4px var(--c-reward-glow-red), 0 12px 30px var(--c-reward-glow-purple);
  animation: reward-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes reward-pop {
  0%   { opacity: 0; transform: scale(0.85) translateY(8px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.reward-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.9;
  margin-bottom: 6px;
}

.reward-percentage {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.reward-service {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 4px 0 10px;
}

.reward-code {
  display: inline-block;
  background-color: var(--c-elevated-glass);
  border: 2px dashed var(--c-text);
  border-radius: var(--radius-md);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.reward-description {
  font-size: 0.85rem;
  line-height: 1.45;
  opacity: 0.95;
  margin-top: 10px;
}

/* Shown by static/app.js the moment a search/filter navigation to
   /events is triggered (form submit or a pagination/filter link
   click), and hidden again by default on every fresh page load --
   the natural request/response cycle clears it, no JS teardown call
   needed on the arriving page. */
.search-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
  text-align: center;
  background-color: var(--c-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.search-loading-overlay.is-visible {
  display: flex;
}

.search-loading-spinner {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 4px solid var(--c-border-mid);
  border-top-color: var(--c-accent-pink);
  animation: search-loading-spin 0.8s linear infinite;
}

@keyframes search-loading-spin {
  to { transform: rotate(360deg); }
}

.search-loading-message {
  max-width: 320px;
  color: var(--c-text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin: 0;
}

.genre-filters,
.venue-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.genre-pill {
  display: inline-block;
  text-decoration: none;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 8px 16px;
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-full);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.genre-pill:hover {
  border-color: var(--c-accent-violet);
  color: var(--c-text);
}

.genre-pill-active {
  background: var(--gradient-brand);
  color: var(--c-text);
  border-color: transparent;
}

.genre-pill-reset {
  padding: 8px 12px;
  color: var(--c-muted);
  font-weight: 600;
}

.genre-pill-reset:hover {
  border-color: var(--c-accent-pink);
  color: var(--c-accent-pink);
}

.empty-state {
  color: var(--c-muted);
  font-family: var(--font-body);
  text-align: center;
  padding: 40px;
  border: 1px dashed var(--c-border-mid);
  border-radius: var(--radius-lg);
}

.last-refresh {
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.85rem;
  margin: 0 0 12px;
}

/* No longer a full-width bar (Sprint 14 Subtask 5) -- .sort-control
   now sits at the top-right of .results-header, sized to its content
   rather than spanning the section. */
.sort-control {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
}

.sort-control label {
  color: var(--c-muted);
  font-size: 0.85rem;
  font-family: var(--font-body);
}

.sort-control select {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-family: var(--font-body);
  padding: 8px 16px;
}

/* Sprint 14 Subtask 5: moved from centered to bottom-right of the
   results section. */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 24px 0 0;
}

.pagination a,
.pagination span {
  font-family: var(--font-body);
  color: var(--c-text);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid var(--c-border-mid);
  border-radius: var(--radius-full);
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.pagination a:hover {
  border-color: var(--c-accent-pink);
  color: var(--c-accent-pink);
  box-shadow: 0 4px 16px -6px var(--c-glow-pink);
}

.pagination .current-page {
  color: var(--c-base);
  background: var(--gradient-brand);
  border-color: transparent;
}

@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    text-align: center;
  }

  .brand {
    margin: 0 auto;
  }

  .site-nav {
    margin-left: 0;
  }

  /* Sticky filter pill: collapsed state sits at the top of the
     scroll so it stays reachable with a thumb without permanently
     eating vertical space the way the old always-expanded form did. */
  .filter-drawer {
    position: sticky;
    top: 0;
    z-index: 5;
  }

  .filter-fab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 16px;
    background-color: var(--c-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--c-border);
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--c-text);
  }

  /* Collapsed by default on mobile -- the panel/form only render
     once #filter-toggle is checked (label click, no JS involved). */
  .filter-drawer-panel {
    display: none;
    padding: 16px;
  }

  /* Opened: the whole drawer becomes a full-screen overlay (our
     equivalent of a bottom-sheet/modal, built from the same
     surface/blur tokens the header already uses -- there is no
     pre-existing modal component in this app to reuse) and the
     pill turns into its sticky close bar. */
  #filter-toggle:checked ~ .filter-drawer {
    position: fixed;
    inset: 0;
    z-index: 20;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background-color: var(--c-base);
  }

  #filter-toggle:checked ~ .filter-drawer .filter-drawer-panel {
    display: block;
  }

  #filter-toggle:checked ~ .filter-drawer .filter-fab {
    position: sticky;
    top: 0;
    z-index: 1;
    justify-content: flex-start;
  }

  #filter-toggle:checked ~ .filter-drawer .filter-fab-label-closed {
    display: none;
  }

  #filter-toggle:checked ~ .filter-drawer .filter-fab-label-open {
    display: inline;
  }

  .search-form {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border-bottom: none;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .search-form .form-group {
    flex: 1 1 auto;
  }

  .search-form .button {
    width: 100%;
  }

  .intro {
    padding: 16px;
  }

  .results {
    grid-template-columns: 1fr;
  }

  .results-main {
    padding: 16px;
  }

  .results-header {
    flex-direction: column;
    align-items: stretch;
  }

  .sort-control {
    flex-direction: column;
    align-items: stretch;
  }

  .sort-control select {
    width: 100%;
  }

  /* Every remaining tappable control gets a real 48x48 hit area --
     the event card link, quick/genre filter pills, and pagination
     links previously relied on text-sized padding alone. */
  .event-card .event-name a {
    display: flex;
    align-items: center;
    min-height: 48px;
    margin: -8px 0;
  }

  /* Narrow cards: the title needs the full card width to stay
     readable at a comfortable font size, so it drops to its own row
     with the favorite/hide icons stacked underneath (still
     right-aligned, same corner they occupy on wider cards) instead of
     competing for horizontal space on one line. */
  .event-card-header {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .event-card-actions {
    align-self: flex-end;
  }

  .quick-filter,
  .genre-pill {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    box-sizing: border-box;
  }

  .sort-control select,
  .form-input,
  select.form-input {
    min-height: 48px;
    padding: 14px 16px;
    box-sizing: border-box;
  }

  .button {
    min-height: 48px;
    padding: 14px 24px;
    box-sizing: border-box;
  }

  /* Pagination becomes a full-width stack of large thumb-friendly
     buttons instead of small inline links -- this app renders pages
     server-side (no client-side fetch/append), so a page change is a
     normal navigation and never causes the jumpy-footer reflow an
     appended "Load More" list can cause. */
  .pagination {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 0 0;
  }

  .pagination a,
  .pagination span {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: 100%;
  }

  /* Blur is comparatively expensive on lower-powered mobile GPUs --
     keep the glow atmosphere but cut its cost on small screens. */
  body::before {
    filter: blur(36px);
  }
}