:root,
[data-theme="light"] {
  --bg: #e9eef4;
  --bg-elevated: #f7fafc;
  --ink: #15202b;
  --ink-muted: #5b6b7c;
  --ink-faint: #8a98a8;
  --line: rgba(21, 32, 43, 0.08);
  --surface: rgba(255, 255, 255, 0.88);
  --surface-solid: #ffffff;
  --accent: #0d8f7b;
  --accent-deep: #0a6e5f;
  --accent-soft: rgba(13, 143, 123, 0.12);
  --glow-a: rgba(13, 143, 123, 0.2);
  --glow-b: rgba(56, 120, 180, 0.14);
  --shadow: 0 8px 24px rgba(21, 32, 43, 0.08);
  --shadow-card: 0 1px 2px rgba(21, 32, 43, 0.04), 0 6px 16px rgba(21, 32, 43, 0.04);
  --toast-bg: #15202b;
  --toast-ink: #f4f7fa;
  --chip: rgba(21, 32, 43, 0.045);
  --chip-active: #15202b;
  --chip-active-ink: #f7fafc;
  --topbar-bg: rgba(233, 238, 244, 0.9);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --radius: 14px;
  --app-pad-top: 80px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

[data-theme="dark"] {
  --bg: #0a0f14;
  --bg-elevated: #121820;
  --ink: #e8eef4;
  --ink-muted: #8b99a8;
  --ink-faint: #5d6c7c;
  --line: rgba(232, 238, 244, 0.1);
  --surface: rgba(18, 24, 32, 0.92);
  --surface-solid: #121820;
  --accent: #3dceb8;
  --accent-deep: #2aa892;
  --accent-soft: rgba(61, 206, 184, 0.14);
  --glow-a: rgba(61, 206, 184, 0.14);
  --glow-b: rgba(70, 130, 200, 0.12);
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03), 0 8px 20px rgba(0, 0, 0, 0.28);
  --toast-bg: #e8eef4;
  --toast-ink: #0a0f14;
  --chip: rgba(232, 238, 244, 0.06);
  --chip-active: #e8eef4;
  --chip-active-ink: #0a0f14;
  --topbar-bg: rgba(10, 15, 20, 0.9);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

img {
  display: block;
}

.app-shell {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(680px 380px at 8% -12%, var(--glow-a), transparent 58%),
    radial-gradient(560px 320px at 100% 4%, var(--glow-b), transparent 55%),
    var(--bg);
}

.orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.5;
}

.orb-a {
  width: 200px;
  height: 200px;
  left: -60px;
  top: 18%;
  background: radial-gradient(circle, var(--glow-a), transparent 70%);
}

.orb-b {
  width: 240px;
  height: 240px;
  right: -80px;
  top: 42%;
  background: radial-gradient(circle, var(--glow-b), transparent 70%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: calc(var(--app-pad-top) + 8px) 12px 10px;
  background: var(--topbar-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.icon-btn:active {
  transform: scale(0.94);
}

.menu-bars {
  display: flex;
  flex-direction: column;
  gap: 3.5px;
  width: 14px;
}

.menu-bars i {
  display: block;
  height: 1.5px;
  border-radius: 1px;
  background: var(--ink);
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.brand-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
}

.brand-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-current {
  margin: 0;
  max-width: 100%;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--accent-deep);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-theme="dark"] .brand-current {
  color: var(--accent);
}

.page {
  position: relative;
  z-index: 1;
  padding: 12px 12px calc(72px + var(--safe-bottom));
}

.cat-panel + .cat-panel {
  margin-top: 22px;
}

.cat-panel {
  scroll-margin-top: calc(var(--app-pad-top) + 52px);
}

.cat-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  padding-left: 10px;
  position: relative;
}

.cat-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25em;
  bottom: 0.25em;
  width: 3px;
  border-radius: 99px;
  background: var(--accent);
}

.cat-heading h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.cat-count {
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--accent-deep);
  background: var(--accent-soft);
  padding: 2px 7px;
  border-radius: 999px;
}

[data-theme="dark"] .cat-count {
  color: var(--accent);
}

.group-block + .group-block {
  margin-top: 12px;
}

.group-title {
  margin: 0 0 7px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-width: 0;
  text-align: left;
  padding: 9px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.link-card:active {
  transform: scale(0.978);
}

.link-icon-wrap {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--chip);
  flex-shrink: 0;
}

.link-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.link-meta {
  min-width: 0;
  flex: 1;
}

.link-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-desc {
  display: block;
  margin-top: 2px;
  font-size: 0.65rem;
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.footer {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 0.7rem;
  color: var(--ink-faint);
}

.drawer-root {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
}

.drawer-root.open {
  pointer-events: auto;
}

.drawer-mask {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 18, 0.46);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.drawer-root.open .drawer-mask {
  opacity: 1;
}

.drawer-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(80vw, 300px);
  background: var(--bg-elevated);
  border-right: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateX(-104%);
  transition: transform 0.26s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
  padding: calc(var(--app-pad-top) + 4px) 0 calc(16px + var(--safe-bottom));
}

.drawer-root.open .drawer-panel {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 4px 12px 12px;
  border-bottom: 1px solid var(--line);
}

.drawer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.drawer-brand-wrap img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.drawer-brand {
  display: block;
  font-weight: 700;
  font-size: 1rem;
}

.drawer-sub {
  display: block;
  margin-top: 2px;
  font-size: 0.68rem;
  color: var(--ink-muted);
}

.drawer-nav {
  padding: 12px 10px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.drawer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 12px;
  border-radius: 12px;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.drawer-item.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.drawer-item-title {
  flex: 1;
  font-size: 0.92rem;
  font-weight: 600;
  color: inherit;
}

.drawer-item.active .drawer-item-title {
  color: var(--ink);
}

.drawer-item-count {
  font-size: 0.68rem;
  font-weight: 650;
  background: var(--chip);
  color: var(--ink-faint);
  padding: 2px 7px;
  border-radius: 999px;
}

.back-top {
  position: fixed;
  right: 14px;
  bottom: calc(18px + var(--safe-bottom));
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: var(--chip-active);
  color: var(--chip-active-ink);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 40;
  font-size: 1rem;
}

.back-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Link detail sheet */
.sheet-root {
  position: fixed;
  inset: 0;
  z-index: 70;
  pointer-events: none;
}

.sheet-root.open {
  pointer-events: auto;
}

.sheet-mask {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 18, 0.48);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.sheet-root.open .sheet-mask {
  opacity: 1;
}

.sheet-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: min(86vh, 640px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bg-elevated);
  border-radius: 20px 20px 0 0;
  border: 1px solid var(--line);
  border-bottom: none;
  box-shadow: var(--shadow);
  padding: 10px 16px calc(16px + var(--safe-bottom));
  transform: translateY(108%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sheet-root.open .sheet-panel {
  transform: translateY(0);
}

.sheet-handle {
  width: 36px;
  height: 4px;
  border-radius: 99px;
  background: var(--chip);
  margin: 0 auto 4px;
}

.sheet-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sheet-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--chip);
  flex-shrink: 0;
}

.sheet-head-text {
  min-width: 0;
  flex: 1;
}

.sheet-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sheet-sub {
  margin: 4px 0 0;
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.35;
}

/* Visual guide steps */
.guide-steps {
  list-style: none;
  margin: 0;
  padding: 10px;
  border-radius: 14px;
  background: var(--chip);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  opacity: 0.42;
  transition: opacity 0.25s ease, transform 0.25s ease;
  transform: translateX(0);
}

.guide-step.is-active {
  opacity: 1;
  transform: translateX(2px);
}

.guide-step.is-done {
  opacity: 0.78;
}

.guide-step.is-done .guide-num {
  background: var(--accent);
  color: #fff;
}

.guide-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  background: var(--surface-solid);
  border: 1px solid var(--line);
  color: var(--ink-muted);
}

.guide-step.is-active .guide-num {
  background: var(--chip-active);
  color: var(--chip-active-ink);
  border-color: transparent;
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: num-pop 0.35s ease;
}

.guide-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding-top: 1px;
}

.guide-text strong {
  font-size: 0.84rem;
  font-weight: 750;
  color: var(--ink);
}

.guide-text em {
  font-style: normal;
  font-size: 0.72rem;
  color: var(--ink-muted);
}

.sheet-label {
  margin: 0 0 8px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.url-stage {
  position: relative;
}

.sheet-url-wrap {
  position: relative;
}

.sheet-url-box {
  padding: 14px 12px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-solid));
  border: 2px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  font-size: 0.86rem;
  line-height: 1.5;
  word-break: break-all;
  user-select: text;
  -webkit-user-select: text;
  color: var(--ink);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  position: relative;
  z-index: 1;
}

.sheet-url-box.is-pulse {
  animation: url-pulse 1.4s ease-in-out infinite;
}

.sheet-url-box.is-selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-solid));
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: none;
}

.finger-ico {
  font-size: 1.75rem;
  line-height: 1;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.2));
}

.finger-btn.is-hidden,
.finger-url.is-hidden {
  display: none !important;
}

/* 第一步：仅小手，悬浮在绿色按钮上方，朝下指 */
.sheet-actions-wrap {
  position: relative;
  padding-top: 36px;
}

.finger-btn {
  position: absolute;
  left: 22%;
  top: 0;
  z-index: 3;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: finger-bounce-down 1.1s ease-in-out infinite;
}

.finger-btn .finger-ico {
  display: block;
}

/* 第二步：小手紧贴网址区下沿朝上指，文案在右边 */
.sheet-url-wrap.is-pointing {
  padding-bottom: 34px;
}

.finger-url {
  position: absolute;
  left: 6px;
  top: auto;
  bottom: 0;
  z-index: 3;
  pointer-events: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  max-width: calc(100% - 12px);
  animation: finger-nudge-up 1.05s ease-in-out infinite;
}

.finger-url .finger-ico {
  flex-shrink: 0;
}

.finger-url .finger-bubble {
  max-width: 150px;
  padding: 6px 9px;
  border-radius: 10px;
  background: var(--chip-active);
  color: var(--chip-active-ink);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
  box-shadow: var(--shadow);
  position: relative;
}

.finger-url .finger-bubble::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--chip-active);
  transform: translateY(-50%) rotate(45deg);
}

.sheet-status {
  margin: 10px 0 0;
  min-height: 1.2em;
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--accent-deep);
  line-height: 1.4;
}

[data-theme="dark"] .sheet-status {
  color: var(--accent);
}

.sheet-status.is-error {
  color: #c44;
}

.sheet-actions {
  display: grid;
  grid-template-columns: 1.7fr 0.9fr;
  gap: 8px;
}

.sheet-btn {
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 650;
  padding: 8px 10px;
}

.sheet-btn.primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 88%, #fff), var(--accent-deep));
  color: #fff;
  border-color: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.sheet-btn.primary.pulse {
  animation: cta-pulse 1.5s ease-in-out infinite;
}

.sheet-btn.primary.is-done {
  animation: none;
  background: var(--chip);
  color: var(--ink);
  border: 1px solid var(--line);
}

.sheet-btn-main {
  font-size: 0.92rem;
  font-weight: 800;
}

.sheet-btn-sub {
  font-size: 0.66rem;
  font-weight: 600;
  opacity: 0.88;
}

.sheet-btn:active {
  transform: scale(0.98);
}

@keyframes url-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 var(--accent-soft);
  }
  50% {
    box-shadow: 0 0 0 6px var(--accent-soft);
  }
}

@keyframes cta-pulse {
  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(13, 143, 123, 0.35);
  }
  50% {
    transform: scale(1.015);
    box-shadow: 0 0 0 8px rgba(13, 143, 123, 0);
  }
}

@keyframes finger-bounce-down {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

@keyframes finger-nudge-up {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes num-pop {
  from {
    transform: scale(0.7);
  }
  to {
    transform: scale(1);
  }
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(28px + var(--safe-bottom));
  transform: translateX(-50%) translateY(10px);
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--toast-bg);
  color: var(--toast-ink);
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 80;
  box-shadow: var(--shadow);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}