@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;700;900&display=swap');

:root {
  --bg:         #0f0f0f;
  --bg-card:    #1e1e1e;
  --bg-card-h:  #272727;
  --orange:     #FF6B00;
  --orange-br:  #FF8C33;
  --orange-dim: #994000;
  --line-w:     8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--orange);
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,0,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,0,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

header {
  text-align: center;
  padding: 2.5rem 1rem 2rem;
  border-bottom: 2px solid var(--orange);
  background: linear-gradient(180deg, #1c1100 0%, var(--bg) 100%);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}

header h1 {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 900;
  letter-spacing: .4em;
  color: var(--orange-br);
  text-shadow: 0 0 24px rgba(255,107,0,.6);
  animation: glitch 7s infinite;
}

header p {
  font-size: .78rem;
  color: var(--orange-dim);
  letter-spacing: .15em;
  margin-top: .4rem;
}

@keyframes glitch {
  0%, 93%, 100% { text-shadow: 0 0 24px rgba(255,107,0,.6); transform: none; }
  94%  { text-shadow: -2px 0 #ff0080, 2px 0 #00e5ff; transform: translateX(-1px); }
  95%  { text-shadow: 2px 0 #ff0080, -2px 0 #00e5ff; transform: translateX(1px); }
  96%  { text-shadow: 0 0 24px rgba(255,107,0,.6); transform: none; }
  97%  { text-shadow: -1px 0 #ff0080, 1px 0 #00e5ff; transform: skewX(-2deg); }
  98%  { text-shadow: 0 0 24px rgba(255,107,0,.6); transform: none; }
}

#search-wrap {
  position: fixed;
  top: .85rem;
  left: 50%;
  transform: translateX(-50%) translateY(-14px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
}

#search-wrap.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.search {
  --input-line: var(--orange-br);
  --input-text-color: var(--orange-dim);
  --input-text-hover-color: transparent;
  --input-border-color: var(--orange-dim);
  --input-border-hover-color: var(--orange);
  --input-bg-color: #160d00;
  --search-max-width: 260px;
  --search-min-width: 200px;
  --border-radius: 6px;
  --transition-cubic-bezier: 150ms cubic-bezier(0.4,0,0.2,1);
}

.search-box {
  max-width: var(--search-max-width);
  min-width: var(--search-min-width);
  height: 36px;
  border: 1px solid var(--input-border-color);
  border-radius: var(--border-radius);
  padding: 5px 15px;
  background: var(--input-bg-color);
  box-shadow: 0 0 20px rgba(255,107,0,.25), 0 0 40px rgba(0,0,0,.6);
  transition: var(--transition-cubic-bezier);
}

.search-box:hover {
  border-color: var(--input-border-hover-color);
  box-shadow: 0 0 28px rgba(255,107,0,.4), 0 0 40px rgba(0,0,0,.6);
}

.search-field {
  position: relative;
  width: 100%;
  height: 100%;
  left: -5px;
}

.input {
  width: calc(100% - 29px);
  height: 100%;
  border: 0;
  border-color: transparent;
  font-size: .9rem;
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  padding-right: 0;
  color: var(--input-line);
  background: var(--input-bg-color);
  border-right: 2px solid var(--input-border-color);
  outline: none;
}

.input::-webkit-input-placeholder { color: var(--input-text-color); }
.input::-moz-placeholder           { color: var(--input-text-color); }
.input::placeholder                 { color: var(--input-text-color); }

.input:focus::-webkit-input-placeholder { color: var(--input-text-hover-color); }
.input:focus::-moz-placeholder           { color: var(--input-text-hover-color); }
.input:focus::placeholder                { color: var(--input-text-hover-color); }

.search-box-icon {
  width: 52px;
  height: 36px;
  position: absolute;
  top: -6px;
  right: -21px;
  background: transparent;
  border-bottom-right-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
  transition: var(--transition-cubic-bezier);
}

.search-box-icon:hover { background: rgba(255,107,0,.15); }

.btn-icon-content {
  width: 52px;
  height: 36px;
  top: -6px;
  right: -21px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-bottom-right-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
  transition: var(--transition-cubic-bezier);
  opacity: .5;
}

.btn-icon-content:hover { opacity: 1; }

.search-icon {
  width: 18px;
  height: 18px;
  position: absolute;
  top: 9px;
  right: 16px;
}

#search-badge {
  position: fixed;
  top: 4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 199;
  background: var(--orange-dim);
  color: #fff;
  font-size: .7rem;
  letter-spacing: .1em;
  padding: .2rem .75rem;
  border-radius: 20px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}

#search-badge.visible {
  opacity: 1;
  pointer-events: auto;
}

.tl-wrap {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: 3rem 0 5rem;
  z-index: 1;
}

.tl-spine {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: var(--line-w);
  transform: translateX(-50%);
  background: linear-gradient(
    180deg,
    transparent 0%,
    var(--orange) 4%,
    var(--orange) 96%,
    transparent 100%
  );
  box-shadow: 0 0 18px rgba(255,107,0,.45);
  overflow: hidden;
}

.tl-spine::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(255,200,80,.7), transparent);
  animation: spine-light 5s linear infinite;
  pointer-events: none;
}

@keyframes spine-light {
  0%   { top: -140px; }
  100% { top: 100%; }
}

#events-container { position: relative; }

.ev-row {
  display: grid;
  grid-template-columns: 1fr calc(var(--line-w) + 40px) 1fr;
  align-items: center;
  margin: 1.2rem 0;
  min-height: 90px;
}

.ev-node {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 2;
}

.ev-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--orange);
  box-shadow: 0 0 10px rgba(255,107,0,.7);
  position: relative;
}

.ev-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  transform: translate(-50%, -50%) scale(0.5);
  opacity: 0;
  animation: dot-pulse 2.4s ease-out infinite;
}

@keyframes dot-pulse {
  0%   { transform: translate(-50%, -50%) scale(0.5); opacity: .9; }
  100% { transform: translate(-50%, -50%) scale(2.2); opacity: 0; }
}

.ev-year {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
}

.year-lbl { line-height: 1.1; }
.year-lbl .yr-w {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--orange-br);
}
.year-lbl .yr-r {
  font-size: .68rem;
  color: var(--orange-dim);
  display: block;
}

.ruler {
  flex: 1;
  height: 2px;
  background: var(--orange);
  min-width: 12px;
  opacity: .7;
}

.ev-card-wrap { display: flex; align-items: flex-start; gap: 1rem; }

.ev-row.side-left .ev-left-card  { grid-column: 1; grid-row: 1; }
.ev-row.side-left .ev-node       { grid-column: 2; grid-row: 1; }
.ev-row.side-left .ev-left-year  { grid-column: 3; grid-row: 1; }

.ev-row.side-left .ev-left-card {
  display: flex;
  justify-content: flex-end;
  padding-right: 1.2rem;
}
.ev-row.side-left .ev-left-year {
  display: flex;
  align-items: center;
  padding-left: .4rem;
  padding-right: 1.5rem;
  gap: 0;
}
.ev-row.side-left .ev-left-year .ruler    { order: 1; }
.ev-row.side-left .ev-left-year .year-lbl { order: 2; padding-left: .6rem; }

.ev-row.side-right .ev-right-year { grid-column: 1; grid-row: 1; }
.ev-row.side-right .ev-node       { grid-column: 2; grid-row: 1; }
.ev-row.side-right .ev-right-card { grid-column: 3; grid-row: 1; }

.ev-row.side-right .ev-right-year {
  display: flex;
  align-items: center;
  padding-right: .4rem;
  padding-left: 1.5rem;
  gap: 0;
}
.ev-row.side-right .ev-right-year .year-lbl { order: 1; padding-right: .6rem; }
.ev-row.side-right .ev-right-year .ruler     { order: 2; }

.ev-row.side-right .ev-right-card {
  display: flex;
  justify-content: flex-start;
  padding-left: 1.2rem;
}

.ev-card {
  background: var(--bg-card);
  border: 2px solid var(--orange);
  border-radius: 10px;
  padding: .8rem 1.25rem;
  width: 380px;
  max-width: 100%;
  flex-shrink: 0;
  cursor: default;
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  filter: blur(4px);
  transition:
    opacity   .55s cubic-bezier(.25,.46,.45,.94),
    transform .55s cubic-bezier(.25,.46,.45,.94),
    filter    .55s ease,
    box-shadow .25s,
    background .25s,
    border-color .25s;
  transition-delay: var(--stagger, 0ms);
}

.ev-card:hover {
  background: var(--bg-card-h);
  box-shadow: 0 0 28px rgba(255,107,0,.45), inset 0 0 12px rgba(255,107,0,.05);
  border-color: var(--orange-br);
}

.ev-card .c-date {
  font-size: .72rem;
  color: var(--orange-dim);
  margin-bottom: .25rem;
}
.ev-card .c-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange-br);
  margin-bottom: .3rem;
}
.ev-card .c-desc {
  font-size: .83rem;
  color: #ffffff;
  line-height: 1.6;
  opacity: .88;
}
.ev-card .c-tags {
  margin-top: .5rem;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.ev-card .c-tag {
  font-size: .65rem;
  border: 1px solid var(--orange-dim);
  border-radius: 20px;
  padding: .1rem .5rem;
  color: var(--orange-dim);
  letter-spacing: .05em;
  transition: border-color .2s, color .2s, box-shadow .2s;
  cursor: default;
}
.ev-card .c-tag:hover {
  border-color: var(--orange);
  color: var(--orange-br);
  box-shadow: 0 0 8px rgba(255,107,0,.4);
}

.ev-src-col {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  width: 260px;
  flex-shrink: 0;
  padding-top: .15rem;
}
.ev-src-col:empty { display: none; }

.ev-src-item {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
  padding: .45rem .6rem;
  border-radius: 6px;
  background: rgba(255,107,0,.04);
  border: 1px solid rgba(255,107,0,.14);
  text-decoration: none;
  transition: background .2s, border-color .2s, transform .2s;
}
.ev-src-item:hover {
  background: rgba(255,107,0,.1);
  border-color: var(--orange-dim);
}
.ev-row.side-right .ev-src-item:hover { transform: translateX(2px); }
.ev-row.side-left  .ev-src-item:hover { transform: translateX(-2px); }

.ev-src-logo {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  letter-spacing: 0;
}

.ev-src-body { flex: 1; min-width: 0; }

.ev-src-meta {
  font-size: .62rem;
  color: var(--orange-dim);
  letter-spacing: .04em;
  margin-bottom: .15rem;
}

.ev-src-headline {
  font-size: .74rem;
  color: #ddd;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ev-src-item:hover .ev-src-headline { color: var(--orange-br); }

.ev-card.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}
.ev-card.is-hiding-down {
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  filter: blur(4px);
}
.ev-card.is-hiding-up {
  opacity: 0;
  transform: translateY(-30px) scale(0.97);
  filter: blur(4px);
}

#loader-area {
  display: flex;
  justify-content: center;
  padding: 3rem 1rem;
  min-height: 90px;
}

.spin-ring {
  width: 38px; height: 38px;
  border: 3px solid var(--orange-dim);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}

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

.load-txt {
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--orange-dim);
  margin-top: .8rem;
}

.loader-inner { display: flex; flex-direction: column; align-items: center; }

.all-done {
  text-align: center;
  color: var(--orange-dim);
  font-size: .8rem;
  letter-spacing: .25em;
}

.no-results {
  text-align: center;
  color: var(--orange-dim);
  font-size: .9rem;
  letter-spacing: .1em;
  padding: 3rem 1rem;
}

@media (max-width: 1200px) {
  .ev-card-wrap { flex-direction: column; gap: .55rem; }
  .ev-row.side-left  .ev-card-wrap { align-items: flex-end; }
  .ev-row.side-right .ev-card-wrap { align-items: flex-start; }
  .ev-src-col { width: 380px; max-width: 100%; }
}

@media (max-width: 640px) {
  header {
    padding: 1.4rem 1rem 1.1rem;
  }

  header h1 {
    letter-spacing: .15em;
    font-size: clamp(1.1rem, 6vw, 1.5rem);
  }

  header p {
    font-size: .7rem;
    letter-spacing: .08em;
  }

  #search-wrap {
    top: .55rem;
    width: calc(100vw - 2rem);
    display: flex;
    justify-content: center;
  }

  .search {
    --search-min-width: 100%;
    --search-max-width: 100%;
    width: 100%;
  }

  .search-box {
    width: 100%;
    max-width: 100%;
    min-width: unset;
  }

  #search-badge {
    top: 3.4rem;
    font-size: .65rem;
    max-width: calc(100vw - 2rem);
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .tl-wrap {
    padding: 2rem 0 4rem;
  }

  .tl-spine { left: 20px; }

  .ev-row {
    grid-template-columns: 20px auto;
    grid-template-rows: auto auto;
    margin: .85rem 0;
    padding-left: .35rem;
    min-height: unset;
  }

  .ev-row.side-left  .ev-left-card,
  .ev-row.side-right .ev-right-card {
    grid-column: 2;
    grid-row: 1;
  }

  .ev-row.side-left  .ev-left-year,
  .ev-row.side-right .ev-right-year {
    grid-column: 2;
    grid-row: 2;
  }

  .ev-row.side-left  .ev-node,
  .ev-row.side-right .ev-node {
    grid-column: 1;
    grid-row: 1;
    align-self: flex-start;
    padding-top: .6rem;
  }

  .ev-row.side-left  .ev-left-card  {
    justify-content: flex-start;
    align-items: flex-start;
    padding-right: 0;
    padding-left: .7rem;
  }
  .ev-row.side-right .ev-right-card {
    align-items: flex-start;
    padding-left: .7rem;
  }

  .ev-row.side-left  .ev-left-year,
  .ev-row.side-right .ev-right-year {
    padding: .25rem 0 0 .7rem;
    flex-direction: row !important;
  }

  .ev-row.side-left  .ev-left-year .ruler,
  .ev-row.side-right .ev-right-year .ruler { display: none; }

  .ev-row.side-left  .ev-left-year .year-lbl { order: 1 !important; padding: 0 !important; }
  .ev-row.side-right .ev-right-year .year-lbl { order: 1 !important; padding: 0 !important; }

  .year-lbl .yr-w { font-size: .95rem; }
  .year-lbl .yr-r { font-size: .6rem; }

  .ev-card {
    width: 100%;
    max-width: calc(100vw - 52px);
    padding: .65rem .9rem;
    border-radius: 8px;
  }

  .ev-card .c-date  { font-size: .66rem; }
  .ev-card .c-title { font-size: .92rem; }
  .ev-card .c-desc  { font-size: .8rem; }
  .ev-card .c-tag   { font-size: .62rem; padding: .08rem .45rem; }

  .ev-src-col { width: 100%; max-width: calc(100vw - 52px); }
  .ev-src-headline { font-size: .72rem; }

  .ev-dot {
    width: 13px;
    height: 13px;
  }

  .spin-ring { width: 30px; height: 30px; }
  .load-txt  { font-size: .72rem; }
  .all-done  { font-size: .72rem; }
  .no-results { font-size: .82rem; padding: 2rem 1rem; }
}

@media (max-width: 380px) {
  header h1 { font-size: 1rem; letter-spacing: .1em; }

  .ev-card {
    max-width: calc(100vw - 44px);
    padding: .55rem .7rem;
  }

  .ev-card .c-title { font-size: .85rem; }
  .ev-card .c-desc  { font-size: .76rem; }
}