:root {
  --blue: #0A66C2;
  --blue-dark: #004182;
  --blue-light: #378FE9;
  --bg: #F3F2EF;
  --card: #FFFFFF;
  --border: #DFDEDA;
  --ink: rgba(0, 0, 0, .9);
  --ink-2: rgba(0, 0, 0, .6);
  --brick: #B24020;
  --cream: #FDFBF6;
  --btn-text: #FFFFFF;
  --dots: rgba(10, 102, 194, .06);
  --error-bg: #FBE9E5;
  --error-text: #7A2B14;
  --stamp-bg: rgba(255, 255, 255, .7);
  --hover-ink: rgba(10, 102, 194, .08);
  --system-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font: "Josefin Sans", "Segoe UI", sans-serif;
  --ease-overshoot-strong: cubic-bezier(.2, 2.2, .5, 1); /* rare, high-delight moments — the stamp reveal */
}
/* dark theme palette (LinkedIn-like): black background, #1B1F23 cards, light blue for actions */
html[data-theme="dark"] {
  --blue: #71B7FB;
  --blue-dark: #A8D4FF;
  --bg: #000000;
  --card: #1B1F23;
  --border: rgba(255, 255, 255, .16);
  --ink: rgba(255, 255, 255, .9);
  --ink-2: rgba(255, 255, 255, .6);
  --brick: #F08262;
  --cream: #22201B;
  --btn-text: #0B1014;
  --dots: rgba(113, 183, 251, .05);
  --error-bg: #3B1A0E;
  --error-text: #FFC9B8;
  --stamp-bg: rgba(0, 0, 0, .25);
  --hover-ink: rgba(113, 183, 251, .14);
}
* { box-sizing: border-box; margin: 0; }
html, body { overflow-x: clip; }
body {
  font-family: var(--font);
  background: var(--bg);
  background-image: radial-gradient(var(--dots) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  min-height: 100vh;
  transition: background .2s ease, color .2s ease;
}
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
input[type="url"]:focus-visible { outline: none; }

/* ---------- header ---------- */
header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.header-inner {
  max-width: 1128px; margin: 0 auto; padding: 10px 24px;
  display: flex; align-items: center; gap: 14px;
}
.logo {
  font-family: var(--font); font-weight: 700; font-size: 1.7rem;
  letter-spacing: -.02em; white-space: nowrap;
}
.logo a { color: var(--ink); text-decoration: none; }
.logo .in {
  background: var(--blue); color: var(--btn-text); border-radius: 4px;
  padding: 0 .28em .04em; margin-left: 1px;
}
button.theme-btn {
  width: 34px; height: 34px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; border: 1px solid var(--border); background: var(--card);
  color: var(--ink); cursor: pointer; align-self: center; flex: none;
}
button.theme-btn svg { overflow: visible; }
/* itshover icons: moon in dark theme, brightness-down in light */
html[data-theme="light"] .icon-moon { display: none; }
html[data-theme="dark"] .icon-sun { display: none; }
.icon-moon .moon, .icon-sun .sun-center { transform-origin: center; transform-box: fill-box; }
button.theme-btn:hover .moon { animation: moon-tilt .5s ease-in-out; }
button.theme-btn:hover .sun-center { animation: sun-shrink .4s ease-in-out; }
button.theme-btn:hover .sun-rays { animation: rays-blink .5s ease-in-out; }
@keyframes moon-tilt {
  0%, 100% { transform: rotate(0) scale(1); }
  50% { transform: rotate(-15deg) scale(1.1); }
}
@keyframes sun-shrink {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(.8); }
}
@keyframes rays-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.tagline {
  font-family: var(--font); font-style: italic; color: var(--ink-2);
  font-size: .95rem; flex: 1;
}
.lang-pills { display: flex; gap: 5px; align-self: center; margin-left: auto; }
.pill {
  display: inline-flex; align-items: center; min-height: 34px;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  padding: 4px 14px; border-radius: 999px; text-decoration: none;
  border: 1px solid var(--blue); color: var(--blue);
  transition: background .15s ease;
}
.pill[href]:hover { background: var(--hover-ink); }
.pill.on { background: var(--blue); color: var(--btn-text); cursor: default; }
@media (max-width: 640px) {
  .header-inner { flex-wrap: wrap; padding: 10px 14px; gap: 8px; }
  .logo { font-size: 1.35rem; }
  .tagline { display: block; order: 5; flex: 1 0 100%; font-size: .78rem; white-space: normal; }
  .pill { padding: 4px 10px; font-size: .68rem; }
}

/* ---------- layout ---------- */
main { max-width: 1128px; margin: 0 auto; padding: 28px 24px 64px; }
.grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
@media (max-width: 880px) {
  .grid { grid-template-columns: minmax(0, 1fr); }
}
.col-title {
  font-family: var(--font); font-size: .85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .14em; color: var(--ink-2);
  margin: 0 0 10px 4px;
}

/* ---------- form ---------- */
.form-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px; margin-bottom: 22px;
}
.form-card label { font-size: .85rem; font-weight: 600; color: var(--ink-2); display: block; margin-bottom: 8px; }
.form-row { display: flex; gap: 10px; }
input[type="url"] {
  flex: 1; min-width: 0; font: inherit; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 24px; outline: none;
  background: var(--bg); color: var(--ink);
}
input[type="url"]:focus { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue); background: var(--card); }
.translate-btn {
  font: inherit; font-weight: 600; color: var(--btn-text); background: var(--blue);
  border: none; border-radius: 24px; padding: 10px 22px; cursor: pointer;
  transition: background .15s ease;
}
.translate-btn:hover { background: var(--blue-dark); }
.translate-btn:disabled { background: var(--border); color: var(--ink-2); cursor: wait; }
/* permalink: form is hidden; the CTA shares the row with the column title */
.col-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 10px; min-height: 34px;
}
.col-head .col-title { margin: 0 0 0 4px; }
a.cta-new { text-decoration: none; text-align: center; padding: 6px 16px; font-size: .85rem; }
a.cta-new:not([hidden]) { display: inline-block; }

/* ---------- emotion meter ---------- */
.emo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.emo-label { font-size: .8rem; font-weight: 600; color: var(--ink-2); white-space: nowrap; }
.emo-progress {
  flex: 1; padding: 3px; border-radius: 6px; background: rgba(0, 0, 0, .1);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, .2);
}
html[data-theme="dark"] .emo-progress { background: rgba(255, 255, 255, .15); }
.emo-bar {
  height: 10px; width: 100%; transform: scaleX(0); transform-origin: left; border-radius: 4px; background-color: #f2d31b;
  border: 1px solid transparent;
  transition: transform .8s ease, background-color .8s ease;
}
.emo[data-level="1"] .emo-bar { transform: scaleX(.2); background-color: #f2d31b; }
.emo[data-level="2"] .emo-bar { transform: scaleX(.4); background-color: #f2b01e; }
.emo[data-level="3"] .emo-bar { transform: scaleX(.6); background-color: #f63a0f; }
.emo[data-level="4"] .emo-bar { transform: scaleX(.8); background-color: #8f1d0c; }
.emo[data-level="5"] .emo-bar { transform: scaleX(1); background-color: #000; border-color: var(--border); }

/* while translation runs: bar starts empty, fills 1→5 and empties again, looping
   (animation trumps the cascade above) */
@keyframes emo-up-down {
  0%   { transform: scaleX(0);   background-color: #f2d31b; border-color: transparent; }
  20%  { transform: scaleX(.2);  background-color: #f2d31b; border-color: transparent; }
  40%  { transform: scaleX(.4);  background-color: #f2b01e; border-color: transparent; }
  60%  { transform: scaleX(.6);  background-color: #f63a0f; border-color: transparent; }
  80%  { transform: scaleX(.8);  background-color: #8f1d0c; border-color: transparent; }
  100% { transform: scaleX(1);   background-color: #000; border-color: var(--border); }
}
.emo.is-loading .emo-bar { animation: emo-up-down 1.8s ease-in-out infinite alternate; }

/* ---------- LinkedIn original card ---------- */
.post-card {
  font-family: var(--system-font); /* faithful LinkedIn clone: system font stack */
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 18px 18px 12px; animation: rise .45s ease both;
  user-select: none; -webkit-user-select: none; /* friction against copy-and-search */
}
.post-img { width: 100%; display: block; }
.post-head { display: flex; gap: 10px; margin-bottom: 12px; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, #378FE9, #004182); /* same avatar gradient in both themes, like LinkedIn */
  color: #fff; font-weight: 700; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
}
.who .name { font-weight: 600; font-size: .95rem; }
.who .sub { font-size: .8rem; color: var(--ink-2); }
.post-text { font-size: .95rem; line-height: 1.45; white-space: pre-wrap; overflow-wrap: break-word; }
.social {
  border-top: 1px solid var(--border); margin-top: 14px; padding-top: 8px;
  font-size: .8rem; color: var(--ink-2);
  display: flex; justify-content: space-between;
}

/* ---------- post too long: mascot + speech bubble ---------- */
.nope-card { text-align: center; }
.nope-bubble {
  position: relative; display: inline-block; max-width: 90%;
  background: var(--cream); border: 1px solid var(--border); border-radius: 14px;
  padding: 12px 18px; margin-bottom: 16px;
  font-family: var(--font); font-weight: 600; font-size: 1.02rem; color: var(--ink);
}
.nope-bubble::after {
  content: ""; position: absolute; left: 50%; bottom: -7px; width: 12px; height: 12px;
  transform: translateX(-50%) rotate(45deg);
  background: inherit;
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
/* fills the slot the post image would occupy, capped so the mascot doesn't tower on desktop */
.nope-img { display: block; width: min(100%, 340px); margin: 0 auto; }

/* ---------- translation card ---------- */
.mean-card {
  background: var(--cream); border: 1px solid var(--border); border-radius: 10px;
  padding: 22px; position: relative; overflow: hidden;
  box-shadow: 0 12px 32px -18px rgba(0, 65, 130, .35);
  animation: rise .45s .12s ease both;
}
.mean-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 6px;
  background: repeating-linear-gradient(-45deg, var(--blue) 0 14px, #fff 14px 22px, var(--brick) 22px 36px, #fff 36px 44px);
  opacity: .85;
}
.stamp {
  position: absolute; top: 18px; right: -8px; transform: rotate(6deg);
  font-family: var(--font); font-weight: 700; font-size: .68rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--brick);
  border: 2px solid var(--brick); border-radius: 4px; padding: 3px 10px;
  background: var(--stamp-bg); animation: stamp-in .35s .5s var(--ease-overshoot-strong) both;
}
.like-row { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
button.like {
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--brick);
  border: 1px solid var(--border); background: var(--card); border-radius: 50%;
  width: 38px; height: 38px; cursor: pointer;
  transition: transform .15s ease-out, border-color .15s ease;
}
button.like svg { fill: none; transition: fill .15s ease; }
@media (hover: hover) and (pointer: fine) {
  button.like:hover { transform: scale(1.15); border-color: var(--brick); }
}
button.like:disabled { background: var(--brick); color: var(--btn-text); border-color: var(--brick); cursor: default; animation: none; }
button.like:disabled.like-pop { animation: like-pop .3s cubic-bezier(.2, 1.8, .4, 1) both; }
button.like:disabled svg { fill: currentColor; }
.like-count { font-size: .85rem; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.mean-card h2 {
  font-family: var(--font); font-style: normal; font-weight: 700;
  font-size: 1.25rem; margin: 12px 0 16px; color: var(--blue-dark);
  max-width: 85%;
}
.mean-text {
  font-family: var(--font); font-size: 1.02rem; line-height: 1.6;
  white-space: pre-wrap; overflow-wrap: break-word;
}
.mean-footer {
  margin-top: 18px; padding-top: 10px; border-top: 1px dashed var(--border);
  font-size: .78rem; color: var(--ink-2); font-style: italic;
}

/* ---------- permalink ---------- */
.permalink {
  display: none; margin-top: 22px; padding: 12px 16px;
  background: var(--card); border: 1px dashed var(--blue); border-radius: 10px;
  font-size: .85rem; color: var(--ink-2);
  align-items: center; gap: 10px; flex-wrap: wrap;
}
.permalink code { color: var(--blue-dark); word-break: break-all; }
.permalink button {
  font: inherit; font-size: .8rem; border: 1px solid var(--blue); color: var(--blue);
  background: none; border-radius: 16px; padding: 3px 12px; cursor: pointer;
}
.permalink button:hover { background: var(--hover-ink); }
.permalink button span { display: inline-block; transition: opacity .12s ease; }
.share { display: inline-flex; gap: 6px; margin-left: 2px; }
.share-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--blue); color: var(--blue);
  transition: transform .15s ease-out, background .15s ease;
}
@media (hover: hover) and (pointer: fine) {
  .share-btn:hover { background: var(--hover-ink); transform: scale(1.12); }
}

/* ---------- cookie notice ---------- */
.cookie-notice {
  position: fixed; z-index: 1001; left: 12px; right: 12px; bottom: 16px;
  max-width: 24rem; margin: 0 auto;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
  display: flex; gap: 12px; align-items: flex-start;
  animation: rise .3s ease both;
}
@media (min-width: 640px) { .cookie-notice { left: auto; right: 20px; margin: 0; } }
.cookie-notice svg { flex: none; width: 26px; height: 26px; color: var(--blue); margin-top: 2px; }
.cookie-notice h2 { font-family: var(--font); font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.cookie-notice p { font-size: .85rem; line-height: 1.45; color: var(--ink-2); margin-bottom: 10px; }
.cookie-notice button {
  font: inherit; font-size: .85rem; font-weight: 600; color: var(--btn-text); background: var(--blue);
  border: none; border-radius: 999px; padding: 8px 18px; cursor: pointer;
  transition: background .15s ease;
}
.cookie-notice button:hover { background: var(--blue-dark); }
.cookie-notice[hidden] { display: none; }

/* ---------- states ---------- */
.error {
  display: none; margin-bottom: 22px; padding: 12px 16px; border-radius: 10px;
  background: var(--error-bg); border: 1px solid var(--brick); color: var(--error-text); font-size: .9rem;
}
.loading { display: none; text-align: center; padding: 30px 10px; }
.loading .phrase {
  font-family: var(--font); font-style: italic; color: var(--ink-2); font-size: 1rem;
}
.skeleton {
  height: 12px; border-radius: 6px; margin: 14px auto 0; max-width: 80%;
  background: linear-gradient(90deg, var(--border) 25%, var(--card) 50%, var(--border) 75%);
  background-size: 200% 100%; animation: shimmer 1.2s infinite linear;
}
.empty {
  border: 2px dashed var(--border); border-radius: 10px; padding: 46px 24px;
  text-align: center; color: var(--ink-2); font-family: var(--font); font-style: italic;
}

@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes stamp-in { from { opacity: 0; transform: rotate(6deg) scale(2.2); } to { opacity: 1; transform: rotate(6deg) scale(1); } }
@keyframes like-pop { 0% { transform: scale(1); } 40% { transform: scale(1.25); } 100% { transform: scale(1); } }
@keyframes shimmer { to { background-position: -200% 0; } }

footer.site-footer {
  border-top: 1px solid var(--border); margin-top: 40px; padding: 20px 24px 32px;
  text-align: center; font-size: .8rem; color: var(--ink-2);
}
.footer-inner {
  max-width: 1128px; margin: 0 auto;
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.footer-inner a { color: var(--blue); text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  .post-card, .mean-card { animation-duration: .15s; animation-delay: 0s; }
  @keyframes rise { from { opacity: 0; } to { opacity: 1; } }
  .stamp { animation: none; }
  button.like:disabled.like-pop { animation: none; }
  .skeleton { animation: none; }
  .emo-bar { transition: none; }
  .emo.is-loading .emo-bar { animation: none; }
  button.theme-btn:hover .moon, button.theme-btn:hover .sun-center, button.theme-btn:hover .sun-rays { animation: none; }
  button.like:hover, .share-btn:hover { transform: none; }
}