:root {
  --bg-color: #fcfcfc;
  --text-main: #222;
  --text-sub: #555;
  --accent: #10b981;
  --error: #ef4444;
  --safe-area-bottom: env(safe-area-inset-bottom);
  --card-bg-fallback: #ffffff;
  --card-bg-glass: rgba(255, 255, 255, 0.75);
  --card-border: rgba(0, 0, 0, 0.08);
  --selection-bg: rgba(16, 185, 129, 0.08);
  --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #111;
    --text-main: #f0f0f0;
    --text-sub: #a0a0a0;
    --card-bg-fallback: #1e1e1e;
    --card-bg-glass: rgba(30, 30, 30, 0.75);
    --card-border: rgba(255, 255, 255, 0.1);
    --selection-bg: rgba(16, 185, 129, 0.15);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.3);
  }
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background-color 0.5s;
}

main {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 10;
  padding-bottom: 8vh;
}

.center-content {
  text-align: center;
  font-family: "Source Han Serif CN Light", "Noto Serif SC", serif;
  font-size: clamp(0.9rem, 3.8vw, 1.8rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3.5rem;
  width: 100%;
  padding: 0 16px;
  transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.text-line {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  text-wrap: balance;
  line-break: strict;
  word-break: keep-all;
}

.text-line:nth-child(2) {
  animation-delay: 0.15s;
}

.quote-mark {
  opacity: 0.3;
  margin: 0 0.2em;
  font-family: sans-serif;
}

.search-container {
  position: relative;
  width: 88%;
  max-width: 540px;
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.3s forwards;
}

.search-line {
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.15) 30%, rgba(0, 0, 0, 0.15) 70%, transparent 100%);
  opacity: 0.4;
  transition: all 0.5s ease;
  transform-origin: bottom;
}

.input-wrapper {
  position: relative;
  width: 100%;
}

#search-input {
  width: 100%;
  padding: 12px 34px;
  font-size: 16px;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 0;
  box-shadow: none;
  color: var(--text-main);
  outline: none;
  text-align: center;
  font-family: "Source Han Serif CN Light", "Noto Serif SC", serif;
  letter-spacing: 0.05em;
  transition: border-color 0.3s, transform 0.3s;
  text-overflow: ellipsis;
}

@media (min-width: 768px) {
  #search-input {
    font-size: 1.1rem;
    padding: 12px 50px;
  }
}

#search-input::placeholder {
  color: var(--text-sub);
  opacity: 0.6;
  transition: opacity 0.3s;
}

#search-input:focus {
  background: transparent;
  border-bottom-color: var(--accent);
  transform: translateY(-2px);
  padding-left: 0;
  text-align: left;
}

#search-input:focus::placeholder {
  opacity: 0;
}

#search-input.error {
  color: var(--error);
  border-bottom-color: rgba(239, 68, 68, 0.3);
}

.clear-btn {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  background: transparent;
  border: 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") no-repeat center / 18px 18px;
  -webkit-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") no-repeat center / 18px 18px;
  background-color: var(--text-sub);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, background-color 0.2s;
}

.clear-btn.visible {
  opacity: 0.6;
  pointer-events: auto;
}

.clear-btn:hover {
  opacity: 1;
  background-color: var(--accent);
}

.clear-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 999px;
}

.loader {
  position: absolute;
  right: 8px;
  top: 50%;
  margin-top: -9px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--card-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.loader.active {
  display: block;
}

body.searching .center-content {
  opacity: 0.1;
  filter: blur(6px);
  transform: scale(0.98) translateY(-20px);
}

body.searching .search-line {
  transform: scaleY(0);
  opacity: 0;
}

#search-results {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  margin-top: 10px;
  max-height: 0;
  overflow-y: hidden;
  background: var(--card-bg-fallback);
  border-radius: 12px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 20;
}

@supports (backdrop-filter: blur(25px)) or (-webkit-backdrop-filter: blur(25px)) {
  #search-results {
    background: var(--card-bg-glass);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
  }
}

#search-results.show {
  max-height: var(--results-max-height, 55vh);
  opacity: 1;
  overflow-y: auto;
  transform: translateY(0);
  padding: 8px 0;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
}

.quick-action {
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-main);
  padding: 10px 12px;
  min-height: 42px;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.quick-action:hover,
.quick-action:focus-visible {
  background: var(--selection-bg);
  outline: none;
}

.result-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.95rem;
  border-left: 3px solid transparent;
  cursor: pointer;
  position: relative;
  word-break: break-all;
}

.result-item:hover,
.result-item[aria-selected="true"] {
  background: var(--selection-bg);
  color: var(--text-main);
  border-left-color: var(--accent);
}

.result-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.4em;
  min-height: 1.6em;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
}

.result-path {
  min-width: 0;
}

.result-empty {
  display: block;
  padding: 14px 20px;
  color: var(--text-sub);
  text-align: center;
  font-size: 0.95rem;
  font-style: italic;
}

.highlight {
  color: var(--accent);
  font-weight: 600;
  background: rgba(16, 185, 129, 0.08);
  padding: 0 2px;
  border-radius: 2px;
}

.footer-info {
  position: fixed;
  bottom: 0;
  padding-bottom: calc(25px + env(safe-area-inset-bottom));
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding-left: 8vw;
  padding-right: 8vw;
  font-size: 0.75rem;
  color: var(--text-sub);
  opacity: 0.6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.05em;
  animation: fadeInUp 1s ease-out 0.8s forwards;
  pointer-events: none;
  mix-blend-mode: difference;
}

@media (max-height: 500px) {
  .footer-info {
    display: none;
  }
}

@media (max-width: 430px) {
  .result-item {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 11px 16px;
  }

  .result-type {
    width: fit-content;
    min-width: 3.4em;
  }
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 8px;
  box-shadow: 0 0 10px var(--accent);
}

.status-dot.error {
  background: var(--error);
  box-shadow: 0 0 10px var(--error);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}