@import url("/asset/fonts.css");
@import url("/vendor/fontawesome/css/all.min.css");

:root {
  --canvas: #171721;
  --canvas-rgb: 23, 23, 33;
  --card: #1e1e2a;
  --button: #272735;
  --border: #70707d;
  --mist: #e2e3ed;
  --muted: #a9a9b6;
  --text: #ededf3;
  --primary: #5266eb;
  --primary-hover: #6678f2;
  --danger: #e55d68;
  --success: #6db89a;
  --line: rgba(226, 227, 237, 0.16);
  --nav: rgba(23, 23, 33, 0.72);
  --radius: 12px;
  --display: "Astra Display", "Space Grotesk", Inter, system-ui, sans-serif;
  --body:
    Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1200px;
  color-scheme: dark;
}
html[data-theme="light"] {
  --canvas: #f4f4f8;
  --canvas-rgb: 244, 244, 248;
  --card: #fff;
  --button: #e9e9f0;
  --border: #aaaab8;
  --mist: #30303c;
  --muted: #656572;
  --text: #20202a;
  --line: rgba(32, 32, 42, 0.14);
  --nav: rgba(244, 244, 248, 0.76);
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: var(--canvas);
}
body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--text);
  font: 400 16px/1.5 var(--body);
  transition:
    background 0.35s,
    color 0.35s;
}
body.modal-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea,
select {
  font: inherit;
}
button {
  color: inherit;
}
img {
  max-width: 100%;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 999;
  padding: 10px 18px;
  border-radius: 99px;
  background: var(--primary);
  color: #fff;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 16px;
}
.shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}
.site-nav {
  position: fixed;
  z-index: 100;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(calc(100% - 32px), 1240px);
  min-height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 8px 12px 8px 20px;
  border: 1px solid transparent;
  border-radius: 40px;
  transition: 0.35s ease;
}
.site-nav.scrolled,
.site-nav.solid {
  background: var(--nav);
  border-color: var(--line);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 520;
  letter-spacing: 0.02em;
  width: max-content;
}
.brand img {
  width: 30px;
  height: 30px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 10px 16px;
  border-radius: 99px;
  color: var(--muted);
  transition: 0.2s;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  background: var(--button);
  color: var(--text);
}
.nav-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lang-select {
  width: auto;
  padding: 9px 30px 9px 12px;
  border: 0;
  background: var(--button);
  color: var(--text);
  border-radius: 99px;
  cursor: pointer;
}
.mobile-toggle {
  display: none;
  border: 0;
  background: var(--button);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
}
.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 99px;
  background: var(--button);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 0.2s,
    background 0.2s,
    border-color 0.2s,
    opacity 0.2s;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0) scale(0.98);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
}
.btn-outline {
  background: transparent;
  border-color: var(--mist);
}
.btn-danger {
  background: transparent;
  border-color: rgba(229, 93, 104, 0.65);
  color: var(--danger);
}
.btn-danger-filled {
  background: var(--danger);
  color: #fff;
}
.btn-lg {
  min-height: 52px;
  padding: 13px 26px;
}
.icon-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
}
.page {
  min-height: calc(100vh - 150px);
  padding: 128px 0 80px;
}
.page-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.eyebrow {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--muted);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--primary);
}
h1,
h2,
h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 480;
  letter-spacing: 0.012em;
}
h1 {
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.08;
}
h2 {
  font-size: clamp(29px, 4vw, 42px);
  line-height: 1.15;
}
h3 {
  font-size: 21px;
  line-height: 1.3;
}
p {
  margin: 0 0 1em;
}
.muted {
  color: var(--muted);
}
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  background: #090b19;
  color: #ededf3;
}
.space-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
}
.nebula {
  position: absolute;
  inset: -15%;
  z-index: -2;
  background:
    radial-gradient(
      circle at calc(50% + var(--mx, 0px)) calc(35% + var(--my, 0px)),
      rgba(82, 102, 235, 0.34),
      transparent 25%
    ),
    radial-gradient(
      circle at 20% 70%,
      rgba(100, 60, 170, 0.18),
      transparent 30%
    ),
    radial-gradient(
      circle at 80% 55%,
      rgba(50, 110, 170, 0.13),
      transparent 28%
    );
  filter: blur(25px);
  transform: translateY(calc(var(--scroll, 0) * 0.08px)) scale(1.1);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(7, 8, 18, 0.18),
    rgba(7, 8, 18, 0.16) 55%,
    #171721 100%
  );
}
.hero-content {
  text-align: center;
  width: min(900px, calc(100% - 40px));
  padding-top: 70px;
}
.hero-kicker {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid rgba(237, 237, 243, 0.24);
  border-radius: 99px;
  color: #c3c3cc;
  font-size: 13px;
  backdrop-filter: blur(12px);
}
.hero h1 {
  margin: 24px 0 18px;
  font-size: clamp(62px, 12vw, 132px);
  letter-spacing: -0.035em;
  background: linear-gradient(115deg, #fff 20%, #9ca8ff 52%, #ededf3 76%);
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
}
.hero-lead {
  width: min(620px, 100%);
  margin: 0 auto 32px;
  font-size: clamp(17px, 2vw, 20px);
  color: #c3c3cc;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.scroll-cue {
  position: absolute;
  bottom: 28px;
  display: grid;
  gap: 6px;
  place-items: center;
  color: #a9a9b6;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  animation: float 2.2s ease-in-out infinite;
}
@keyframes float {
  50% {
    transform: translateY(7px);
  }
}
.home-section {
  padding: 112px 0;
}
.stats-grid,
.feature-grid,
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card,
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid transparent;
  transition:
    transform 0.3s,
    border-color 0.3s,
    background 0.3s;
}
.card:hover,
.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--line);
}
.stat-card strong {
  display: block;
  font: 480 clamp(42px, 6vw, 70px) / 1 var(--display);
  margin: 14px 0 10px;
}
.stat-card:first-child {
  grid-column: span 2;
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head h2 {
  margin-bottom: 16px;
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  margin-bottom: 40px;
  font-size: 22px;
}
.feature-card p {
  margin-top: 12px;
  color: var(--muted);
}
.limit-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.meter {
  height: 8px;
  border-radius: 99px;
  background: var(--button);
  overflow: hidden;
}
.meter span {
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  max-width: 100%;
  background: var(--primary);
  border-radius: inherit;
  transition: width 0.7s ease;
}
.meter .demo-progress {
  width: 42%;
}
.limit-caption {
  margin-top: 18px;
}
.limit-visual {
  padding: 40px;
  border-radius: 24px;
  background: linear-gradient(145deg, var(--card), var(--button));
  border: 1px solid var(--line);
}
.limit-visual strong {
  display: block;
  margin: 16px 0 12px;
  font: 480 clamp(40px, 7vw, 72px) / 1 var(--display);
}
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links a:hover {
  color: var(--text);
}
.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 600px) minmax(260px, 1fr);
  gap: 24px;
  align-items: start;
}
.form-card {
  background: var(--card);
  padding: 40px;
  border-radius: 20px;
}
.form-group {
  margin-bottom: 22px;
}
label {
  display: block;
  margin-bottom: 9px;
  font-size: 14px;
  color: var(--muted);
}
input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  outline: 0;
  border-radius: 18px;
  background: var(--button);
  color: var(--text);
  padding: 13px 17px;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(82, 102, 235, 0.15);
}
textarea {
  min-height: 160px;
  resize: vertical;
}
.field-help {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.check-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 16px 0;
}
.check-row input {
  width: 18px;
  height: 18px;
  flex: none;
  margin-top: 3px;
}
.check-row label {
  margin: 0;
}
.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.form-message {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--danger);
}
.captcha-box {
  min-height: 190px;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(var(--canvas-rgb), 0.35);
  overflow: hidden;
}
.captcha-parking {
  position: fixed;
  left: -10000px;
  top: 0;
  width: 360px;
  opacity: 0.01;
  pointer-events: none;
}
.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}
.summary-card strong {
  display: block;
  margin: 18px 0 8px;
  font: 480 clamp(28px, 4vw, 42px) / 1 var(--display);
}
.notes-panel {
  margin-top: 32px;
  background: var(--card);
  padding: 24px;
  border-radius: 20px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 4px 8px 20px;
}
.note-list {
  display: grid;
  gap: 10px;
}
.note-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto auto;
  align-items: center;
  gap: 18px;
  min-height: 86px;
  padding: 15px 16px 15px 22px;
  border-radius: 14px;
  background: var(--button);
  border: 1px solid transparent;
  transition: 0.2s;
}
.note-row:hover {
  transform: translateX(4px);
  border-color: var(--line);
}
.note-main {
  min-width: 0;
}
.note-main strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.note-main small,
.note-meta {
  color: var(--muted);
}
.note-meta {
  text-align: right;
  font-size: 13px;
  white-space: nowrap;
}
.note-updated {
  grid-column: 1 / -1;
}
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--muted);
}
.empty-orbit {
  width: 70px;
  height: 70px;
  margin: 0 auto 18px;
  border: 1px solid var(--line);
  border-radius: 50%;
  position: relative;
}
.empty-orbit::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  top: 4px;
  left: 12px;
  box-shadow: 0 0 16px var(--primary);
}
.note-paper {
  margin-top: 28px;
  min-height: 55vh;
  padding: 14px 32px 40px 72px;
  border-radius: 16px;
  background: repeating-linear-gradient(
    to bottom,
    var(--card) 0,
    var(--card) 31px,
    var(--line) 32px
  );
  line-height: 32px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  position: relative;
}
.note-paper::before {
  content: "";
  position: absolute;
  left: 50px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(229, 93, 104, 0.35);
}
.note-title-input {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0;
  font: 480 clamp(34px, 6vw, 58px) / 1.15 var(--display);
}
.note-title-input:focus {
  box-shadow: none;
  border-bottom: 1px solid var(--primary);
}
.note-editor {
  display: block;
  width: 100%;
  min-height: 60vh;
  margin-top: 26px;
  resize: vertical;
  border: 0;
  border-radius: 16px;
  padding: 7px 30px 40px 72px;
  line-height: 32px;
  background: repeating-linear-gradient(
    to bottom,
    var(--card) 0,
    var(--card) 31px,
    var(--line) 32px
  );
}
.note-stats {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.note-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.share-panel {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  animation: slideDown 0.25s ease;
}
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
}
.share-url {
  display: flex;
  gap: 8px;
}
.share-url input {
  font-size: 13px;
}
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.danger-zone {
  grid-column: 1/-1;
  border: 1px solid rgba(229, 93, 104, 0.35);
}
.danger-zone .danger-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logout-wide {
  width: 100%;
  margin-top: 20px;
  min-height: 58px;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(5, 5, 12, 0.72);
  backdrop-filter: blur(12px);
  animation: fadeIn 0.2s ease;
}
.modal {
  width: min(520px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 30px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  animation: modalIn 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.modal h2 {
  font-size: 28px;
  margin-bottom: 10px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
}
@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
}
.toast-stack {
  position: fixed;
  z-index: 700;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 10px;
}
.toast {
  width: min(360px, calc(100vw - 40px));
  padding: 14px 18px;
  border-radius: 14px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
  animation: toastIn 0.25s ease;
}
@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
}
.cookie-banner {
  position: fixed;
  z-index: 450;
  left: 20px;
  bottom: 20px;
  width: min(460px, calc(100% - 40px));
  padding: 22px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.28);
}
.cookie-banner .btn {
  margin-top: 8px;
}
.legal {
  max-width: 860px;
}
.legal h2 {
  margin: 48px 0 14px;
  font-size: 28px;
}
.legal h3 {
  margin: 26px 0 10px;
}
.legal li {
  margin: 8px 0;
}
.legal-note {
  padding: 20px;
  border-left: 3px solid var(--primary);
  background: var(--card);
  border-radius: 0 12px 12px 0;
}
html[lang="en"] [data-lang="zh-Hant"],
html[lang="zh-Hant"] [data-lang="en"] {
  display: none;
}
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px;
  overflow: hidden;
}
.error-code {
  font: 480 clamp(120px, 30vw, 320px) / 0.8 var(--display);
  color: transparent;
  -webkit-text-stroke: 1px var(--border);
  opacity: 0.5;
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.75s,
    transform 0.75s;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.loading {
  opacity: 0.55;
  pointer-events: none;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 99px;
  background: var(--button);
  color: var(--muted);
  font-size: 12px;
}
.danger-text {
  color: var(--danger);
}
.success-text {
  color: var(--success);
}

@media (max-width: 900px) {
  .site-nav {
    grid-template-columns: 1fr auto;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-links,
  .nav-actions {
    display: none;
  }
  .site-nav.open {
    border-radius: 24px;
    grid-template-columns: 1fr auto;
    background: var(--nav);
    backdrop-filter: blur(20px);
  }
  .site-nav.open .nav-links,
  .site-nav.open .nav-actions {
    display: flex;
    grid-column: 1/-1;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .site-nav.open .nav-link,
  .site-nav.open .btn {
    width: 100%;
    text-align: center;
  }
  .lang-select {
    width: 100%;
  }
  .stats-grid,
  .feature-grid,
  .summary-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }
  .stat-card:first-child {
    grid-column: auto;
  }
  .form-layout,
  .limit-panel {
    grid-template-columns: 1fr;
  }
  .note-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .note-meta {
    text-align: left;
  }
  .note-row .note-meta:nth-of-type(2) {
    display: none;
  }
  .danger-zone {
    grid-column: auto;
  }
}
@media (max-width: 620px) {
  .shell {
    width: min(calc(100% - 28px), var(--max));
  }
  .page {
    padding-top: 110px;
  }
  .page-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .home-section {
    padding: 80px 0;
  }
  .form-card,
  .card,
  .stat-card {
    padding: 24px;
  }
  .form-layout aside {
    display: none;
  }
  .note-paper,
  .note-editor {
    padding-left: 38px;
  }
  .note-paper::before {
    left: 26px;
  }
  .note-actions {
    justify-content: flex-start;
  }
  .danger-zone .danger-content {
    align-items: flex-start;
    flex-direction: column;
  }
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}