/* Art Ahead NL - Full Retro Pixel Art Style */

@import url('https://fonts.googleapis.com/css2?family=VT323&family=Space+Mono:wght@400;700&display=swap');

:root {
  --color-bg: #F5F5F5;
  --color-card: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-muted: #555555;
  --color-text-subtle: #888888;
  --color-border: #CCCCCC;
  --color-neon: #FF69B4;
  --color-auction: #8B4557;
  --font-pixel: 'VT323', monospace;
  --font-mono: 'Space Mono', monospace;
  --date-col: 60px;
  --spine-left: 74px;
  --card-margin-left: 90px;
}

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

body {
  font-family: var(--font-mono);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  font-size: 14px;
  min-height: 100vh;
  /* Subtle pixel grid background */
  background-image:
    linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size: 4px 4px;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

/* SPINE - Pixelated dashed line */
.spine {
  position: fixed;
  left: calc(50% - 320px + 20px + var(--spine-left));
  top: 0;
  bottom: 0;
  width: 4px;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-neon) 0px,
    var(--color-neon) 8px,
    transparent 8px,
    transparent 12px
  );
  z-index: 0;
}

/* Fade effect for spine */
.spine::before,
.spine::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1;
}

.spine::before {
  top: 0;
  background: linear-gradient(
    to bottom,
    var(--color-bg) 0%,
    var(--color-bg) 50%,
    transparent 100%
  );
}

.spine::after {
  bottom: 0;
  background: linear-gradient(
    to top,
    var(--color-bg) 0%,
    var(--color-bg) 50%,
    transparent 100%
  );
}

/* HEADER */
header {
  padding: 16px 0;
  position: relative;
  z-index: 1;
  margin-left: var(--card-margin-left);
  border-bottom: 3px dotted var(--color-border);
}

.filter-controls {
  display: flex;
  gap: 16px;
}

h1 {
  font-family: var(--font-pixel);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.subtitle {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.filters {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filters label {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.filters select {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 10px;
  border: 2px solid var(--color-text);
  border-radius: 0;
  background: white;
  color: var(--color-text);
  cursor: pointer;
  min-width: 100px;
}

.filters select:focus {
  outline: none;
  border-color: var(--color-neon);
}

.nav-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-text);
  padding: 6px 12px;
  background: white;
  border: 3px solid var(--color-neon);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
  position: relative;
}

.nav-button:hover {
  background: var(--color-neon);
  color: white;
}

.peeking-cat {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 100%;
  width: 45px;
  margin-bottom: 0;
  z-index: -1;
}

/* MOBILE HOME LINK */
.mobile-home-link {
  display: none;
  position: absolute;
  left: 0;
  top: 16px;
  width: 40px;
  height: 40px;
}

.mobile-logo {
  width: 100%;
  height: auto;
}

/* MAIN */
main {
  padding: 0 0 40px;
  position: relative;
  z-index: 1;
}

/* TIME GROUP */
.time-group {
  margin-bottom: 0;
}

/* GROUP HEADING / SECTION LABEL */
.group-heading {
  display: flex;
  align-items: center;
  margin: 24px 0 14px 0;
  position: relative;
  font-family: var(--font-pixel);
  font-size: 18px;
  font-weight: 400;
  color: white;
  background: transparent;
  padding: 0;
  border: none;
}

.time-group:first-child .group-heading {
  margin-top: 18px;
}

/* Horizontal connector - dashed pixel style */
.group-heading::before {
  content: "";
  position: absolute;
  left: var(--spine-left);
  top: 50%;
  width: 20px;
  height: 4px;
  background: repeating-linear-gradient(
    to right,
    var(--color-neon) 0px,
    var(--color-neon) 6px,
    transparent 6px,
    transparent 10px
  );
  transform: translateY(-50%);
}

/* Section label text styling */
.group-heading-text {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 18px;
  font-weight: 400;
  color: white;
  background: var(--color-neon);
  padding: 4px 16px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-left: calc(var(--spine-left) + 20px);
  border: 3px solid var(--color-text);
}

/* COLLAPSIBLE */
.collapsible .group-heading {
  cursor: pointer;
  user-select: none;
}

.collapsible .group-heading:hover .group-heading-text {
  background: #FF85C1;
}

.collapse-icon {
  font-size: 14px;
  margin-right: 6px;
  display: inline-block;
  transition: transform 0.15s ease;
}

.event-count {
  font-weight: 400;
  margin-left: 6px;
  opacity: 0.9;
}

.collapsible.collapsed .collapsible-content {
  display: none;
}

/* CARDS CONTAINER */
.cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* EVENT ROW */
.event-row {
  display: grid;
  grid-template-columns: var(--date-col) 1fr;
  gap: 28px;
  text-decoration: none;
  color: inherit;
  position: relative;
  align-items: center;
}

/* DATE BLOCK */
.date-block {
  text-align: right;
  padding-right: 12px;
}

.date-day {
  font-family: var(--font-pixel);
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-text);
  transition: color 0.15s ease;
}

.event-row:hover .date-day,
.event-card:hover ~ .date-block .date-day {
  color: var(--color-neon);
}

.date-dow {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.date-month {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* EVENT CARD - Bold pixel art dotted line box */
.event-card {
  display: block;
  background: var(--color-card);
  padding: 14px 18px;
  border: 3px dotted var(--color-text);
  transition: all 0.15s ease;
  text-decoration: none;
  color: inherit;
}

.event-card:hover {
  border-color: var(--color-neon);
  border-style: solid;
}

/* Anchor events */
.event-card.anchor {
  border-width: 4px;
}

.event-source {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.event-location {
  font-size: 11px;
  color: var(--color-text-subtle);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.event-title {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.view-dates {
  font-size: 11px;
  color: var(--color-text-subtle);
  margin-top: 8px;
}

/* BADGES */
.badge {
  font-family: var(--font-pixel);
  font-size: 14px;
  font-weight: 400;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-block;
}

.badge-fair {
  background: var(--color-text);
  color: white;
}

.badge-opening {
  background: #E8E8E8;
  color: var(--color-text);
  border: 2px solid var(--color-text);
}

.badge-gallery {
  background: #E8E8E8;
  color: var(--color-text);
  border: 2px solid var(--color-text);
}

.badge-auction {
  background: var(--color-auction);
  color: white;
}

.badge-grad {
  background: #E18E04;
  color: white;
}

/* WEEK/MONTH SUBHEADINGS */
.week-subheading,
.month-subheading {
  font-family: var(--font-pixel);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 16px;
  margin-bottom: 10px;
  margin-left: calc(var(--spine-left) + 24px);
}

.week-subheading:first-child,
.month-subheading:first-child {
  margin-top: 0;
}

/* DATE LABEL for On View Now */
.date-label {
  font-family: var(--font-pixel);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.date-block.ending .date-day {
  color: var(--color-text-muted);
}

/* Active auction indicator */
.date-block.active {
  position: relative;
}

.date-block.active::before {
  content: "●";
  position: absolute;
  top: 0;
  left: 0;
  font-size: 10px;
  color: var(--color-neon);
  line-height: 1;
}

.date-block.active .date-day {
  color: var(--color-neon);
}

/* FOOTER */
footer {
  padding: 20px 0;
  margin-left: var(--card-margin-left);
  border-top: 3px dotted var(--color-border);
  position: relative;
  z-index: 1;
}

footer p {
  font-size: 10px;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timestamp {
  margin-top: 3px;
}

/* MOBILE */
@media (max-width: 640px) {
  .spine {
    left: calc(20px + var(--spine-left));
  }

  .filters {
    flex-direction: column-reverse;
  }
}

@media (max-width: 520px) {
  :root {
    --date-col: 50px;
    --spine-left: 62px;
    --card-margin-left: 76px;
  }

  .spine {
    left: calc(16px + var(--spine-left));
  }

  h1 { font-size: 26px; }
  .subtitle { display: none; }

  .mobile-home-link {
    display: block;
  }

  .filters {
    flex-direction: column-reverse;
    gap: 10px;
    align-items: flex-start;
  }

  .filter-group {
    width: 100%;
  }

  .filters select {
    width: 100%;
  }

  .date-day { font-size: 36px; }

  .event-card { padding: 12px 14px; }
  .event-source { font-size: 13px; }

  .nav-button {
    padding: 5px 10px;
    font-size: 10px;
    margin-top: 20px;
  }

  .peeking-cat {
    width: 35px;
  }

  .group-heading-text {
    font-size: 14px;
    padding: 3px 12px;
  }

  .group-heading::before {
    width: 14px;
  }

  .group-heading-text {
    margin-left: calc(var(--spine-left) + 14px);
  }

  .week-subheading,
  .month-subheading {
    margin-left: calc(var(--spine-left) + 18px);
    font-size: 14px;
  }
}