:root,
[data-theme="dark"] {
  --bg:            #0D1117;
  --bg-soft:       #0F141B;
  --panel:         #161B22;
  --panel-2:       #1B222C;
  --panel-3:       #21283244;
  --border:        #222A35;
  --border-strong: #2C3542;
  --text:          #F0F6FC;
  --text-2:        #AEB9C5;
  --text-3:        #7D8794;
  --accent:        #3B82F6;
  --accent-hover:  #5A98FF;
  --accent-press:  #2D6FE0;
  --accent-soft:   #3B82F61F;
  --accent-ring:   #3B82F659;
  --success:       #3FB950;
  --success-soft:  #3FB9501A;
  --danger:        #F85149;
  --danger-soft:   #F851491A;
  --warn:          #D29922;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow:    0 4px 16px -4px rgba(0,0,0,.5), 0 1px 2px rgba(0,0,0,.4);
  --shadow-lg: 0 24px 60px -20px rgba(0,0,0,.7), 0 2px 8px rgba(0,0,0,.4);

  --syn-key:   #FF7B72;
  --syn-str:   #A5D6FF;
  --syn-com:   #7C8794;
  --syn-num:   #79C0FF;
  --syn-fn:    #D2A8FF;
  --syn-type:  #FFA657;
  --syn-built: #7EE787;
  --syn-punct: #A9B4C0;
}

[data-theme="dim"] {
  --bg:            #16191F;
  --bg-soft:       #1A1E25;
  --panel:         #1E232B;
  --panel-2:       #252B34;
  --border:        #2C333D;
  --border-strong: #39424E;
  --text:          #EDF1F6;
  --text-2:        #A9B3BE;
  --text-3:        #7B8695;
}

[data-theme="light"] {
  --bg:            #FFFFFF;
  --bg-soft:       #FBFCFD;
  --panel:         #F6F8FA;
  --panel-2:       #FFFFFF;
  --panel-3:       #EAEEF255;
  --border:        #E2E7EC;
  --border-strong: #D0D7DE;
  --text:          #0D1117;
  --text-2:        #4A545E;
  --text-3:        #6E7781;
  --accent:        #2563EB;
  --accent-hover:  #1D4ED8;
  --accent-press:  #1E40AF;
  --accent-soft:   #2563EB14;
  --accent-ring:   #2563EB40;
  --success:       #1A7F37;
  --danger:        #CF222E;

  --shadow-sm: 0 1px 2px rgba(31,35,40,.06);
  --shadow:    0 4px 14px -6px rgba(31,35,40,.18), 0 1px 2px rgba(31,35,40,.06);
  --shadow-lg: 0 24px 56px -24px rgba(31,35,40,.28), 0 2px 8px rgba(31,35,40,.08);

  --syn-key:   #CF222E;
  --syn-str:   #0A3069;
  --syn-com:   #6E7781;
  --syn-num:   #0550AE;
  --syn-fn:    #8250DF;
  --syn-type:  #953800;
  --syn-built: #116329;
  --syn-punct: #57606A;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  transition: background-color .25s ease, color .25s ease;
}

[hidden] { display: none !important; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; font-weight: 600; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.i { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor;
     stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.i--sm { width: 15px; height: 15px; }

.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 200;
  padding: 10px 16px; border-radius: 10px;
  background: var(--accent); color: #fff; font-weight: 600;
  transform: translateY(-160%); transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

::selection { background: var(--accent-ring); color: var(--text); }

.header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  max-width: 1560px; margin: 0 auto;
  padding: 0 24px; height: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark {
  width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}
.brand__mark svg { width: 17px; height: 17px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-weight: 600; letter-spacing: -0.02em; font-size: 15px; }
.brand__tag { font-size: 11px; color: var(--text-3); letter-spacing: .02em; }
.brand--sm .brand__name { font-size: 14px; }

.header__nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border-radius: 10px;
  font-size: 13.5px; font-weight: 500; color: var(--text-2);
  transition: background-color .18s ease, color .18s ease;
}
.nav-link:hover { color: var(--text); background: var(--panel); }
.nav-link--icon { padding: 8px; }

.hero { padding: 88px 24px 56px; }
.hero__inner { max-width: 820px; margin: 0 auto; text-align: center; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 10px; margin-bottom: 26px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--panel);
  font-size: 12.5px; color: var(--text-2);
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success);
       box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 18%, transparent); }
.hero__title {
  font-size: clamp(32px, 5.4vw, 56px);
  letter-spacing: -0.035em; font-weight: 600;
  background: linear-gradient(180deg, var(--text), color-mix(in srgb, var(--text) 72%, var(--bg)));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__subtitle {
  margin: 20px auto 0; max-width: 660px;
  font-size: clamp(15px, 1.6vw, 17px); color: var(--text-2);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 34px; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 28px; justify-content: center;
  list-style: none; padding: 0; margin: 42px 0 0;
  font-size: 13px; color: var(--text-3);
}
.hero__meta strong { color: var(--text); font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 10px 18px; border-radius: 12px;
  font-size: 14px; font-weight: 550; letter-spacing: -0.01em;
  border: 1px solid transparent; white-space: nowrap;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease,
              transform .12s ease, box-shadow .16s ease;
}
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 12px 24px; font-size: 15px; border-radius: 13px; }
.btn--xs { padding: 5px 11px; font-size: 12.5px; border-radius: 9px; }

.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--accent-hover); box-shadow: 0 4px 14px -4px var(--accent-ring); }
.btn--primary:active { background: var(--accent-press); }
.btn--primary:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn--ghost { background: var(--panel); color: var(--text); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--panel-2); border-color: var(--text-3); }

.btn--translate { width: 100%; height: 42px; padding-inline: 16px; }
.btn--translate .kbd { margin-left: auto; }
.btn.is-busy { pointer-events: none; opacity: .75; }

.kbd {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; padding: 2px 6px; border-radius: 6px;
  background: rgba(255,255,255,.14); color: inherit;
}
[data-theme="light"] .btn--primary .kbd { background: rgba(255,255,255,.22); }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 9px;
  color: var(--text-3);
  transition: background-color .16s ease, color .16s ease;
}
.icon-btn:hover { background: var(--panel-2); color: var(--text); }
.icon-btn--sm { width: 28px; height: 28px; }
.icon-btn--sm .i { width: 16px; height: 16px; }

.app { padding: 8px 24px 40px; }
.app__shell {
  max-width: 1560px; margin: 0 auto;
  display: grid; grid-template-columns: 56px minmax(0, 1fr);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.rail {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 0; border-right: 1px solid var(--border);
  background: var(--bg-soft);
}
.rail__spacer { flex: 1; }
.rail__btn {
  position: relative;
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center; color: var(--text-3);
  transition: background-color .16s ease, color .16s ease;
}
.rail__btn:hover { background: var(--panel-2); color: var(--text); }
.rail__btn.is-active { color: var(--accent); background: var(--accent-soft); }
.rail__btn::after {
  content: attr(data-tip);
  position: absolute; left: calc(100% + 10px); top: 50%;
  transform: translateY(-50%) translateX(-4px);
  padding: 5px 10px; border-radius: 8px; white-space: nowrap;
  background: var(--panel-2); border: 1px solid var(--border-strong);
  color: var(--text); font-size: 12px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .16s ease, transform .16s ease;
  z-index: 30;
}
.rail__btn:hover::after, .rail__btn:focus-visible::after { opacity: 1; transform: translateY(-50%) translateX(0); }

.work { min-width: 0; display: flex; flex-direction: column; }

.configbar { padding: 16px 18px; border-bottom: 1px solid var(--border); background: var(--panel); }
.configbar__row {
  display: grid; gap: 16px;
  grid-template-columns: minmax(190px, 1fr) minmax(240px, 1.6fr) minmax(150px, .9fr) minmax(140px, .8fr) minmax(190px, .95fr);
  align-items: start;
}
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field__label {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 550; color: var(--text-2); letter-spacing: .01em;
}
.field__label .lock { color: var(--text-3); }
.field__hint { font-size: 11.5px; color: var(--text-3); }
.field__hint b { color: var(--text-2); font-weight: 550; }
.field__value {
  margin-left: auto; font-family: "JetBrains Mono", monospace;
  font-size: 11.5px; color: var(--accent);
}
.field--action { justify-content: flex-end; }
.field--action::before { content: ""; height: 19px; }

.select-wrap { position: relative; display: block; }
.select {
  appearance: none; width: 100%;
  height: 38px; padding: 0 34px 0 12px;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 11px;
  font-size: 13.5px; cursor: pointer;
  transition: border-color .16s ease, background-color .16s ease, box-shadow .16s ease;
}
.select:hover { border-color: var(--text-3); }
.select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.select optgroup { background: var(--panel); color: var(--text-3); font-size: 12px; }
.select option { background: var(--panel); color: var(--text); }
.select__chev {
  position: absolute; right: 11px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--text-3); pointer-events: none;
}
.select-wrap--sm .select { height: 30px; border-radius: 9px; font-size: 12.5px; padding-right: 30px;
                           background: var(--panel-2); border-color: var(--border); font-weight: 550; }
.select-wrap--sm .select__chev { right: 9px; width: 13px; height: 13px; }
.select--lang { min-width: 128px; }

.input {
  width: 100%; height: 38px; padding: 0 12px;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 11px;
  font-size: 13.5px;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.input::placeholder { color: var(--text-3); }
.input:hover { border-color: var(--text-3); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }

.key-input { position: relative; display: flex; align-items: center; }
.input--key { padding-right: 74px; font-family: "JetBrains Mono", monospace; font-size: 12.5px; letter-spacing: .02em; }
.key-input .icon-btn { position: absolute; right: 4px; }
.key-input .eye-off { display: none; }
.key-input.is-visible .eye-on { display: none; }
.key-input.is-visible .eye-off { display: block; }
.key-input__status {
  position: absolute; right: 40px; width: 16px; height: 16px; border-radius: 50%;
  display: grid; place-items: center; font-size: 10px; font-weight: 700;
}
.key-input[data-key-state="valid"] .input { border-color: color-mix(in srgb, var(--success) 55%, var(--border-strong)); }
.key-input[data-key-state="valid"] .key-input__status { background: var(--success-soft); color: var(--success); }
.key-input[data-key-state="valid"] .key-input__status::before { content: "✓"; }
.key-input[data-key-state="invalid"] .input { border-color: color-mix(in srgb, var(--danger) 55%, var(--border-strong)); }
.key-input[data-key-state="invalid"] .key-input__status { background: var(--danger-soft); color: var(--danger); }
.key-input[data-key-state="invalid"] .key-input__status::before { content: "!"; }

.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 11.5px; color: var(--text-3); }
.check input { position: absolute; opacity: 0; width: 0; height: 0; }
.check__box {
  width: 15px; height: 15px; border-radius: 5px; flex: none;
  border: 1px solid var(--border-strong); background: var(--bg-soft);
  display: grid; place-items: center;
  transition: background-color .16s ease, border-color .16s ease;
}
.check__box svg { width: 11px; height: 11px; fill: none; stroke: #fff; stroke-width: 3;
                  stroke-linecap: round; stroke-linejoin: round; opacity: 0; transform: scale(.6);
                  transition: opacity .16s ease, transform .16s ease; }
.check input:checked + .check__box { background: var(--accent); border-color: var(--accent); }
.check input:checked + .check__box svg { opacity: 1; transform: scale(1); }
.check input:focus-visible + .check__box { outline: 2px solid var(--accent); outline-offset: 2px; }
.check:hover .check__text { color: var(--text-2); }

.range {
  appearance: none; width: 100%; height: 38px; background: none; cursor: pointer;
}
.range::-webkit-slider-runnable-track { height: 4px; border-radius: 99px; background: var(--border-strong); }
.range::-moz-range-track { height: 4px; border-radius: 99px; background: var(--border-strong); }
.range::-webkit-slider-thumb {
  appearance: none; width: 15px; height: 15px; margin-top: -5.5px;
  border-radius: 50%; background: var(--accent); border: 2px solid var(--panel);
  box-shadow: 0 0 0 1px var(--accent); transition: transform .14s ease;
}
.range::-moz-range-thumb {
  width: 13px; height: 13px; border-radius: 50%; background: var(--accent);
  border: 2px solid var(--panel); box-shadow: 0 0 0 1px var(--accent);
}
.range:hover::-webkit-slider-thumb { transform: scale(1.18); }
.range:focus-visible { outline: none; }
.range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 1px var(--accent), 0 0 0 4px var(--accent-ring); }

.notice {
  display: flex; align-items: flex-start; gap: 8px;
  margin-top: 14px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 11px;
  background: var(--bg-soft);
  font-size: 11.5px; line-height: 1.55; color: var(--text-3);
}
.notice .i { color: var(--text-3); margin-top: 2px; }

.progress { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.progress__bar { flex: 1; height: 3px; border-radius: 99px; background: var(--border-strong); overflow: hidden; }
.progress__fill {
  display: block; height: 100%; width: 35%; border-radius: 99px; background: var(--accent);
  animation: slide 1.25s cubic-bezier(.4,0,.2,1) infinite;
}
.progress__fill.is-streaming { animation: none; transition: width .3s ease; }
@keyframes slide { 0% { transform: translateX(-100%); } 100% { transform: translateX(320%); } }
.progress__label { font-size: 12px; color: var(--text-3); }
.progress__label b { color: var(--text-2); }

.alert {
  display: flex; align-items: flex-start; gap: 10px;
  margin-top: 12px; padding: 11px 12px;
  border-radius: 11px;
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  background: var(--danger-soft);
  animation: pop .2s ease;
}
.alert .i { color: var(--danger); margin-top: 2px; }
.alert__body { flex: 1; display: flex; flex-direction: column; gap: 2px; font-size: 12.5px; }
.alert__body strong { color: var(--danger); font-weight: 600; }
.alert__body span { color: var(--text-2); }
@keyframes pop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

.editors {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  position: relative; background: var(--bg-soft);
  min-height: 520px;
}
.editor { display: flex; flex-direction: column; min-width: 0; background: var(--bg); }
.editor--out { border-left: 1px solid var(--border); }

.editor__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; min-height: 48px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.editor__label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-3); font-weight: 600;
}
.editor__tools { margin-left: auto; display: flex; align-items: center; gap: 2px; }

.editor__body { position: relative; flex: 1; min-height: 0; display: flex; overflow: hidden; }

.editor__status {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  padding: 7px 12px; border-top: 1px solid var(--border); background: var(--panel);
}
.editor__spacer { flex: 1; }
.chip {
  font-size: 11px; padding: 3px 9px; border-radius: 7px;
  color: var(--text-3); background: var(--bg-soft);
  border: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.chip--btn { transition: color .16s ease, border-color .16s ease, background-color .16s ease; }
.chip--btn:hover { color: var(--text); border-color: var(--border-strong); }
.chip--btn[aria-pressed="false"] { opacity: .55; }
.chip--soft { color: var(--accent); background: var(--accent-soft);
              border-color: color-mix(in srgb, var(--accent) 25%, transparent); }

.ed { display: flex; width: 100%; height: 100%; position: relative; }
.ed__gutter {
  flex: none; width: 52px; overflow: hidden; position: relative;
  background: var(--bg); border-right: 1px solid var(--border);
  user-select: none;
}
.ed__gutter-inner {
  position: absolute; top: 0; left: 0; right: 0;
  padding: 14px 10px 14px 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px; line-height: 21px; text-align: right;
  color: var(--text-3); opacity: .55;
  font-variant-numeric: tabular-nums;
  will-change: transform;
}
.ed__gutter-inner span { display: block; }
.ed__gutter-inner span.is-current { color: var(--accent); opacity: 1; }

.ed__main { position: relative; flex: 1; min-width: 0; overflow: hidden; }
.ed__pre, .ed__input {
  margin: 0; padding: 14px 18px;
  font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 13px; line-height: 21px; letter-spacing: 0;
  tab-size: 4; white-space: pre; word-wrap: normal;
  border: 0;
}
.ed--wrap .ed__pre, .ed--wrap .ed__input { white-space: pre-wrap; overflow-wrap: break-word; }
.ed__pre {
  position: absolute; inset: 0; overflow: hidden;
  pointer-events: none; color: var(--text);
  will-change: transform;
}
.ed__pre code { font: inherit; }
.ed__input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  resize: none; background: transparent; color: transparent;
  caret-color: var(--accent); overflow: auto; outline: none;
  scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent;
}
.ed__input::-webkit-scrollbar { width: 10px; height: 10px; }
.ed__input::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; border: 3px solid transparent; background-clip: content-box; }
.ed__input::-webkit-scrollbar-thumb:hover { background: var(--text-3); background-clip: content-box; }
.ed__input::-webkit-scrollbar-corner { background: transparent; }
.ed__input::placeholder { color: var(--text-3); opacity: .8; }

.ed__minimap {
  flex: none; width: 62px; opacity: .62;
  border-left: 1px solid var(--border);
  background: var(--bg); position: relative; cursor: pointer;
  overflow: hidden;
  transition: opacity .18s ease;
}
.ed__minimap:hover { opacity: .95; }
.ed--nomap .ed__minimap { display: none; }
/* absoluto: el canvas no debe aportar altura al contenedor (evita bucles de layout) */
.ed__minimap canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.ed__viewport {
  position: absolute; left: 0; right: 0;
  background: color-mix(in srgb, var(--text) 9%, transparent);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  pointer-events: none;
}

.tk-key   { color: var(--syn-key); }
.tk-str   { color: var(--syn-str); }
.tk-com   { color: var(--syn-com); font-style: italic; }
.tk-num   { color: var(--syn-num); }
.tk-fn    { color: var(--syn-fn); }
.tk-type  { color: var(--syn-type); }
.tk-built { color: var(--syn-built); }
.tk-punct { color: var(--syn-punct); }

.empty {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; padding: 24px; text-align: center; pointer-events: none;
  background: var(--bg);
}
.empty__icon {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  color: var(--text-3); background: var(--panel); border: 1px solid var(--border);
}
.empty__title { font-size: 13.5px; font-weight: 550; color: var(--text-2); }
.empty__text { font-size: 12.5px; color: var(--text-3); max-width: 280px; }

.skeleton { position: absolute; inset: 0; z-index: 4; padding: 16px 20px; background: var(--bg); overflow: hidden; }
.skeleton__line {
  height: 9px; border-radius: 5px; margin-bottom: 12px;
  background: linear-gradient(90deg, var(--panel) 0%, var(--panel-2) 50%, var(--panel) 100%);
  background-size: 220% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
@keyframes shimmer { 0% { background-position: 140% 0; } 100% { background-position: -60% 0; } }

.convert {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  z-index: 5; display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.convert__btn {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent); color: #fff;
  border: 4px solid var(--bg-soft);
  box-shadow: 0 8px 24px -8px var(--accent-ring), var(--shadow);
  transition: background-color .18s ease, transform .18s cubic-bezier(.34,1.4,.64,1), box-shadow .18s ease;
}
.convert__btn .i { width: 22px; height: 22px; stroke-width: 2; }
.convert__btn:hover { background: var(--accent-hover); transform: scale(1.07); }
.convert__btn:active { transform: scale(.96); }
.convert__btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.convert__btn.is-busy .i { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.swap {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--panel); color: var(--text-2);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  transition: color .16s ease, border-color .16s ease, transform .3s cubic-bezier(.34,1.3,.64,1);
}
.swap .i { width: 16px; height: 16px; }
.swap:hover { color: var(--accent); border-color: var(--accent); }
.swap.is-spun { transform: rotate(180deg); }

.features { padding: 64px 24px 40px; }
.section-title {
  max-width: 1560px; margin: 0 auto 26px;
  font-size: 20px; font-weight: 600; color: var(--text);
}
.features__grid {
  max-width: 1560px; margin: 0 auto;
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  padding: 24px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card__icon {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  margin-bottom: 16px;
}
.card__title { font-size: 16px; margin-bottom: 7px; }
.card__text { font-size: 13.5px; color: var(--text-2); }

.footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 30px 24px 44px; }
.footer__inner {
  max-width: 1560px; margin: 0 auto;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.footer__links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer__link { font-size: 13px; color: var(--text-3); transition: color .16s ease; }
.footer__link:hover { color: var(--text); }
.footer__note { width: 100%; font-size: 12px; color: var(--text-3); opacity: .85; }

.scrim {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(1, 4, 9, .55);
  animation: fade .2s ease;
}
[data-theme="light"] .scrim { background: rgba(31,35,40,.28); }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.panel {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 100;
  width: min(440px, 100vw);
  display: flex; flex-direction: column;
  background: var(--panel);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: slidein .26s cubic-bezier(.32,.72,0,1);
}
@keyframes slidein { from { transform: translateX(16px); opacity: 0; } to { transform: none; opacity: 1; } }
.panel__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid var(--border);
}
.panel__title { font-size: 15px; font-weight: 600; }
.panel__body { flex: 1; overflow-y: auto; padding: 18px; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
.panel__body::-webkit-scrollbar { width: 10px; }
.panel__body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; border: 3px solid transparent; background-clip: content-box; }

.p-section + .p-section { margin-top: 26px; }
.p-section__title {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-3); font-weight: 600; margin-bottom: 12px;
}
.p-text { font-size: 13.5px; color: var(--text-2); }
.p-text + .p-text { margin-top: 10px; }
.p-text code {
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 1px 6px; border-radius: 6px; color: var(--text);
}
.p-list { margin: 10px 0 0; padding-left: 18px; font-size: 13.5px; color: var(--text-2); }
.p-list li { margin-bottom: 7px; }
.p-list li::marker { color: var(--text-3); }

.p-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.p-row:last-child { border-bottom: 0; }
.p-row__label { font-size: 13.5px; color: var(--text); }
.p-row__desc { font-size: 12px; color: var(--text-3); margin-top: 1px; }

.switch { position: relative; width: 38px; height: 22px; flex: none; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch__track {
  position: absolute; inset: 0; border-radius: 99px;
  background: var(--border-strong); transition: background-color .2s ease;
}
.switch__track::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 16px; height: 16px; border-radius: 50%; background: var(--text-2);
  transition: transform .2s cubic-bezier(.32,.72,0,1), background-color .2s ease;
}
.switch input:checked + .switch__track { background: var(--accent); }
.switch input:checked + .switch__track::after { transform: translateX(16px); background: #fff; }
.switch input:focus-visible + .switch__track { outline: 2px solid var(--accent); outline-offset: 2px; }

.hist { display: flex; flex-direction: column; gap: 10px; }
.hist__item {
  padding: 13px 14px; border-radius: 12px; text-align: left; width: 100%;
  background: var(--bg-soft); border: 1px solid var(--border);
  transition: border-color .16s ease, background-color .16s ease, transform .16s ease;
}
.hist__item:hover { border-color: var(--border-strong); background: var(--panel-2); transform: translateY(-1px); }
.hist__top { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 550; }
.hist__arrow { color: var(--text-3); }
.hist__meta { display: flex; align-items: center; gap: 8px; margin-top: 7px; font-size: 11.5px; color: var(--text-3); flex-wrap: wrap; }
.hist__meta .chip { padding: 2px 7px; }
.hist__actions { display: flex; gap: 6px; margin-top: 10px; }
.hist__preview {
  margin-top: 9px; padding: 8px 10px; border-radius: 8px;
  background: var(--bg); border: 1px solid var(--border);
  font-family: "JetBrains Mono", monospace; font-size: 11px; color: var(--text-3);
  white-space: pre; overflow: hidden; text-overflow: ellipsis; max-height: 54px;
}

.p-empty { text-align: center; padding: 48px 20px; }
.p-empty__icon {
  width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 13px;
  display: grid; place-items: center; color: var(--text-3);
  background: var(--bg-soft); border: 1px solid var(--border);
}
.p-empty__title { font-size: 14px; font-weight: 550; margin-bottom: 5px; }
.p-empty__text { font-size: 12.5px; color: var(--text-3); max-width: 260px; margin: 0 auto; }

.textarea {
  width: 100%; min-height: 130px; padding: 12px;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 11px;
  font-family: "JetBrains Mono", monospace; font-size: 12.5px; line-height: 1.6;
  resize: vertical;
}
.textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }

.preset-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.preset {
  padding: 6px 12px; border-radius: 9px; font-size: 12.5px;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-2);
  transition: color .16s, border-color .16s;
}
.preset:hover { color: var(--text); border-color: var(--border-strong); }

.theme-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.theme-card {
  padding: 12px; border-radius: 12px; text-align: center;
  background: var(--bg-soft); border: 1px solid var(--border);
  transition: border-color .16s ease, transform .16s ease;
}
.theme-card:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.theme-card[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.theme-card__swatch {
  height: 46px; border-radius: 8px; margin-bottom: 9px;
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.theme-card__swatch::after {
  content: ""; position: absolute; left: 8px; right: 8px; bottom: 8px; height: 6px;
  border-radius: 3px; background: #3B82F6;
}
.theme-card__name { font-size: 12px; color: var(--text-2); }

.keyrow {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 13px; border-radius: 12px; margin-bottom: 8px;
  background: var(--bg-soft); border: 1px solid var(--border);
}
.keyrow__info { flex: 1; min-width: 0; }
.keyrow__name { font-size: 13.5px; font-weight: 550; }
.keyrow__val { font-family: "JetBrains Mono", monospace; font-size: 11.5px; color: var(--text-3); }
.badge {
  font-size: 10.5px; padding: 2px 8px; border-radius: 99px; font-weight: 600;
  background: var(--success-soft); color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 30%, transparent);
}
.badge--off { background: var(--panel-2); color: var(--text-3); border-color: var(--border); }

.toasts {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 150; display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 15px; border-radius: 11px;
  background: var(--panel-2); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg); font-size: 13px; color: var(--text);
  animation: toastin .24s cubic-bezier(.32,.72,0,1);
}
.toast .i { color: var(--success); }
.toast--err .i { color: var(--danger); }
.toast.is-out { animation: toastout .2s ease forwards; }
@keyframes toastin { from { opacity: 0; transform: translateY(10px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes toastout { to { opacity: 0; transform: translateY(6px) scale(.98); } }

.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .6s cubic-bezier(.32,.72,0,1), transform .6s cubic-bezier(.32,.72,0,1); }

@media (max-width: 1180px) {
  .configbar__row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field--key { grid-column: span 2; }
  .field--action { grid-column: span 2; }
  .field--action::before { display: none; }
}

@media (max-width: 860px) {
  .header__inner { padding: 0 16px; }
  .nav-link span { display: none; }
  .nav-link { padding: 8px; }
  .brand__tag { display: none; }

  .hero { padding: 56px 18px 36px; }
  .app { padding: 4px 12px 32px; }
  .features { padding: 48px 18px 24px; }

  .app__shell { grid-template-columns: 1fr; border-radius: 14px; }
  .rail {
    flex-direction: row; justify-content: flex-start; gap: 2px;
    border-right: 0; border-bottom: 1px solid var(--border);
    padding: 8px 10px; overflow-x: auto;
  }
  .rail__spacer { display: none; }
  .rail__btn::after { display: none; }

  .configbar { padding: 14px; }
  .configbar__row { grid-template-columns: 1fr; gap: 14px; }
  .field--key, .field--action { grid-column: auto; }

  .editors { grid-template-columns: 1fr; min-height: 0; }
  .editor { min-height: 340px; }
  .editor--out { border-left: 0; border-top: 1px solid var(--border); }
  .convert {
    position: relative; left: auto; top: auto; transform: none;
    flex-direction: row; justify-content: center; gap: 12px;
    padding: 12px 0; background: var(--bg-soft);
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  }
  .convert__btn { width: 48px; height: 48px; border-width: 0; }
  .convert__btn .i { transform: rotate(90deg); }
  .convert__btn.is-busy .i { animation: spin 1s linear infinite; }

  .ed__minimap { display: none; }
  [data-act="minimap"] { display: none; }
  .ed__gutter { width: 42px; }

  .panel { width: 100vw; border-left: 0; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 480px) {
  .hero__actions .btn { width: 100%; }
  .editor__bar { flex-wrap: wrap; }
  .editor__label { display: none; }
  .hero__meta { gap: 18px; }
}

@media (prefers-reduced-motion: reduce), (max-width: 1px) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

[data-motion="off"] *, [data-motion="off"] *::before, [data-motion="off"] *::after {
  animation-duration: .001ms !important;
  transition-duration: .001ms !important;
}
[data-motion="off"] .reveal { opacity: 1; transform: none; }