/* Layout: una columna tipo app de iPhone (640px máx.): barra translúcida, título grande, tarjeta de clave,
   control segmentado Encriptar | Desencriptar y lista de protecciones. Sin fuentes externas: tipografía del sistema. */
:root{
  color-scheme:light;
  --bg:#F2F2F7; --card:#FFFFFF; --label:#0B0B0F; --label-2:#6C6C73; --label-3:#A3A3AA;
  --sep:#DCDCE2; --fill:#E3E3E9; --thumb:#FFFFFF; --thumb-shadow:rgba(16,16,24,.14);
  --bar:rgba(244,244,249,.8); --hud:rgba(250,250,252,.94); --overlay:rgba(242,242,247,.74); --scrim:rgba(10,10,16,.3);
  --accent:#0A6CFF; --accent-tint:#E1ECFF; --on-accent:#FFFFFF;
  --green:#1C9A47; --green-tint:#DCF2E3; --red:#DE3229; --red-tint:#FBE2E0; --orange:#B86200; --orange-tint:#FBEAD3;
  --ic-blue:#0A84FF; --ic-indigo:#5856D6; --ic-teal:#1FA2C4; --ic-orange:#FF9500; --ic-green:#30B456; --ic-gray:#8E8E93; --ic-glyph:#FFFFFF;
  --icon-from:#45454A; --icon-to:#141416; --icon-key:#5FA2FF;
  --shadow:0 1px 2px rgba(16,16,24,.04),0 6px 20px rgba(16,16,24,.05);
  --toast-shadow:rgba(16,16,24,.16);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.32,.72,0,1);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#000000; --card:#1C1C1E; --label:#F5F5F7; --label-2:#9D9DA4; --label-3:#626269;
    --sep:#38383D; --fill:#2A2A2E; --thumb:#5B5B60; --thumb-shadow:rgba(0,0,0,.5);
    --bar:rgba(18,18,20,.76); --hud:rgba(40,40,44,.94); --overlay:rgba(0,0,0,.7); --scrim:rgba(0,0,0,.55);
    --accent:#3B8EFF; --accent-tint:#132A4D; --on-accent:#FFFFFF;
    --green:#41D06D; --green-tint:#12321F; --red:#FF5F56; --red-tint:#3A1715; --orange:#FFA63E; --orange-tint:#3A2711;
    --icon-from:#4C4C52; --icon-to:#1C1C1E; --icon-key:#5FA2FF;
    --shadow:none; --toast-shadow:rgba(0,0,0,.5);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#000000; --card:#1C1C1E; --label:#F5F5F7; --label-2:#9D9DA4; --label-3:#626269;
  --sep:#38383D; --fill:#2A2A2E; --thumb:#5B5B60; --thumb-shadow:rgba(0,0,0,.5);
  --bar:rgba(18,18,20,.76); --hud:rgba(40,40,44,.94); --overlay:rgba(0,0,0,.7); --scrim:rgba(0,0,0,.55);
  --accent:#3B8EFF; --accent-tint:#132A4D; --on-accent:#FFFFFF;
  --green:#41D06D; --green-tint:#12321F; --red:#FF5F56; --red-tint:#3A1715; --orange:#FFA63E; --orange-tint:#3A2711;
  --icon-from:#4C4C52; --icon-to:#1C1C1E; --icon-key:#5FA2FF;
  --shadow:none; --toast-shadow:rgba(0,0,0,.5);
  color-scheme:dark;
}

/* Base de la app instalable */
html{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);overscroll-behavior-y:none}
body{margin:0}
[hidden]{display:none!important}
img{max-width:100%}
.sprite{position:absolute;width:0;height:0;overflow:hidden}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--label);font-family:var(--font);font-size:17px;line-height:1.42;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bar);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}
svg.i{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
button{font-family:inherit;-webkit-user-select:none;user-select:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Barra de navegación */
.navbar{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:20;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  border-bottom:.5px solid transparent;transition:background-color .3s,border-color .3s;
}
.navbar.scrolled{background:var(--bar);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom-color:var(--sep)}
.navbar-inner{max-width:640px;margin:0 auto;height:52px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.nav-title{grid-column:2;font-weight:600;font-size:17px;opacity:0;transform:translateY(6px);transition:opacity .3s var(--ease),transform .3s var(--ease)}
.navbar.titled .nav-title{opacity:1;transform:none}
.nav-btn{grid-column:3;justify-self:end;width:40px;height:40px;border-radius:50%;border:0;background:var(--card);box-shadow:var(--shadow);color:var(--red);display:grid;place-items:center;font-size:19px;cursor:pointer;transition:transform .25s var(--ease)}
.nav-btn:active{transform:scale(.92)}

/* Contenido */
.app{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:2px 48px}
.col{max-width:640px;margin:0 auto;display:grid;gap:30px}

.hero{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:4px 16px}
.appicon{grid-row:span 2;width:62px;height:62px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(155deg,var(--icon-from),var(--icon-to));color:var(--ic-glyph);font-size:32px;box-shadow:var(--shadow)}
.appicon .hole{fill:var(--icon-key);stroke:none}
h1{margin:0;font-family:var(--font-display);font-size:34px;font-weight:700;letter-spacing:-.025em;line-height:1.08;text-wrap:balance}
.subtitle{margin:0;font-size:15px;color:var(--label-2);text-wrap:pretty}

.banner{margin:0;padding:14px 18px;border-radius:18px;background:var(--orange-tint);color:var(--orange);font-weight:500;font-size:15px}

.group{display:grid;gap:7px;min-width:0}
.group-head{margin:0 18px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;font-weight:500;letter-spacing:.03em;text-transform:uppercase;color:var(--label-2)}
.group-head label{cursor:default}
.group-foot{margin:0 18px;font-size:13px;line-height:1.4;color:var(--label-2);display:flex;flex-wrap:wrap;gap:2px 10px;align-items:baseline}
.card{background:var(--card);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;min-width:0;transition:box-shadow .2s}
.card.focusable:focus-within{box-shadow:var(--shadow),0 0 0 2px var(--accent)}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px 10px 20px;border-top:.5px solid var(--sep);font-size:13px;color:var(--label-2);font-variant-numeric:tabular-nums;min-height:44px}

.pill{font:600 12px/1 var(--font);letter-spacing:.01em;text-transform:none;padding:6px 10px;border-radius:999px;background:var(--fill);color:var(--label-2);white-space:nowrap;transition:background-color .25s,color .25s}
.pill.accent,.pill[data-state="busy"]{background:var(--accent-tint);color:var(--accent)}
.pill[data-state="ok"]{background:var(--green-tint);color:var(--green)}
.pill[data-state="bad"]{background:var(--red-tint);color:var(--red)}
.pill[data-state="warn"]{background:var(--orange-tint);color:var(--orange)}

.text-btn{border:0;background:transparent;color:var(--accent);font-size:15px;font-weight:500;padding:8px;border-radius:10px;cursor:pointer}
.text-btn:disabled{color:var(--label-3);cursor:default}
.linkbtn{border:0;background:none;padding:0;color:var(--accent);font:inherit;font-weight:600;cursor:pointer}

/* Clave */
.keyfield{display:flex;align-items:center;gap:4px;padding:6px 8px 6px 20px;min-height:58px}
.keyfield input{flex:1;min-width:0;border:0;background:transparent;color:var(--label);font-family:var(--mono);font-size:17px;letter-spacing:.06em;padding:10px 0;outline:none}
.keyfield input::placeholder{color:var(--label-3);font-family:var(--font);letter-spacing:-.01em}
.icon-btn{width:42px;height:42px;border-radius:50%;border:0;background:transparent;color:var(--label-2);display:grid;place-items:center;font-size:21px;cursor:pointer;transition:background-color .2s}
.icon-btn:hover{background:var(--fill)}
.meter-row{display:flex;align-items:center;gap:14px;padding:0 20px 16px}
.meter{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:5px}
.meter span{height:5px;border-radius:3px;background:var(--fill);transition:background-color .35s var(--ease)}
.meter[data-level="1"] span:nth-child(1){background:var(--red)}
.meter[data-level="2"] span:nth-child(-n+2){background:var(--orange)}
.meter[data-level="3"] span:nth-child(-n+3){background:var(--green)}
.meter[data-level="4"] span{background:var(--green)}
.meter-label{font-size:13px;color:var(--label-2);font-variant-numeric:tabular-nums;white-space:nowrap}
.card-actions{display:grid;grid-template-columns:1fr 1fr;border-top:.5px solid var(--sep)}
.card-actions button{height:52px;border:0;background:transparent;color:var(--accent);font-size:17px;font-weight:500;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:background-color .2s}
.card-actions button:active:not(:disabled){background:var(--fill)}
.card-actions button+button{border-left:.5px solid var(--sep)}
.card-actions button:disabled{color:var(--label-3);cursor:default}
#keyHint[data-tone="warn"]{color:var(--orange)}

/* Control segmentado */
.segmented{position:relative;display:grid;grid-template-columns:1fr 1fr;padding:3px;border-radius:999px;background:var(--fill);scroll-margin-top:calc(env(safe-area-inset-top,0px) + 64px)}
.seg-thumb{position:absolute;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:999px;background:var(--thumb);box-shadow:0 3px 10px var(--thumb-shadow);transition:transform .5s var(--ease)}
.segmented[data-active="dec"] .seg-thumb{transform:translateX(100%)}
.segmented button{position:relative;z-index:1;height:42px;border:0;border-radius:999px;background:transparent;color:var(--label-2);font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;transition:color .3s}
.segmented button[aria-selected="true"]{color:var(--label)}

/* Paneles */
.pane{display:grid;gap:22px}
.pane.in-right{animation:inRight .5s var(--ease)}
.pane.in-left{animation:inLeft .5s var(--ease)}
@keyframes inRight{from{opacity:0;transform:translateX(28px)}to{opacity:1;transform:none}}
@keyframes inLeft{from{opacity:0;transform:translateX(-28px)}to{opacity:1;transform:none}}

.cipher-out{margin:0;padding:18px 20px;min-height:132px;max-height:300px;overflow:auto;font-family:var(--mono);font-size:15px;line-height:1.95;letter-spacing:.06em;word-spacing:.45em;color:var(--label);overflow-wrap:anywhere;transition:opacity .2s}
.cipher-out.placeholder{font-family:var(--font);font-size:17px;line-height:1.42;letter-spacing:-.01em;word-spacing:0;color:var(--label-3)}
.pane[aria-busy="true"] .cipher-out{opacity:.45}

textarea{display:block;width:100%;min-height:140px;max-height:50vh;resize:none;border:0;outline:none;background:transparent;color:var(--label);font:400 17px/1.45 var(--font);letter-spacing:-.01em;padding:18px 20px}
textarea::placeholder{color:var(--label-3)}
textarea.mono{font-family:var(--mono);font-size:16px;line-height:1.85;letter-spacing:.05em;word-spacing:.35em}

.btn-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.btn{height:52px;width:100%;border:0;border-radius:999px;font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;padding:0 18px;cursor:pointer;transition:transform .25s var(--ease),opacity .2s}
.btn:active:not(:disabled){transform:scale(.97)}
.btn:disabled{opacity:.38;cursor:default}
.btn-filled{background:var(--accent);color:var(--on-accent)}
.btn-tinted{background:var(--accent-tint);color:var(--accent)}

.result{margin:0;padding:18px 20px;min-height:132px;font-size:18px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.result.placeholder{color:var(--label-3);font-size:17px}

/* Lista de protecciones */
.list-row{position:relative;display:grid;grid-template-columns:30px 1fr;gap:14px;align-items:start;padding:13px 20px}
.list-row+.list-row::before{content:"";position:absolute;top:0;left:64px;right:0;border-top:.5px solid var(--sep)}
.ic{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--ic-glyph);font-size:17px;margin-top:1px}
.ic.blue{background:var(--ic-blue)} .ic.indigo{background:var(--ic-indigo)} .ic.teal{background:var(--ic-teal)}
.ic.orange{background:var(--ic-orange)} .ic.green{background:var(--ic-green)} .ic.gray{background:var(--ic-gray)}
.row-title{font-size:17px;font-weight:500;line-height:1.3}
.row-sub{font-size:14px;color:var(--label-2);margin-top:2px;line-height:1.38}
.note{margin:0 18px;font-size:13px;line-height:1.45;color:var(--label-2);max-width:62ch}

/* Aviso flotante */
.toast{position:fixed;left:50%;width:max-content;white-space:nowrap;top:calc(env(safe-area-inset-top,0px) + 10px);z-index:60;display:flex;align-items:center;gap:9px;max-width:calc(100vw - 32px);padding:12px 20px;border-radius:999px;background:var(--hud);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 12px 32px var(--toast-shadow);font-size:15px;font-weight:600;color:var(--label);opacity:0;transform:translate(-50%,-150%);pointer-events:none;transition:transform .55s var(--ease),opacity .3s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast svg{color:var(--green);font-size:19px}

/* Hoja de acciones */
.scrim{position:fixed;inset:0;z-index:70;background:var(--scrim);opacity:0;transition:opacity .35s}
.scrim.show{opacity:1}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:71;padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px));padding-top:0;padding-bottom:calc(env(safe-area-inset-bottom,0px) + 10px);transform:translateY(110%);transition:transform .5s var(--ease)}
.sheet.show{transform:none}
.sheet-inner{max-width:500px;margin:0 auto;display:grid;gap:8px}
.sheet-card{background:var(--hud);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-radius:24px;overflow:hidden;text-align:center}
.sheet-msg{padding:18px 22px 16px;font-size:13px;line-height:1.4;color:var(--label-2)}
.sheet-msg strong{display:block;font-size:14px;color:var(--label);margin-bottom:3px}
.sheet-btn{display:block;width:100%;height:58px;border:0;border-top:.5px solid var(--sep);background:transparent;font-size:19px;color:var(--accent);cursor:pointer}
.sheet-btn.destructive{color:var(--red)}
.sheet-btn.cancel{border-top:0;font-weight:600}
.sheet-btn:active{background:var(--fill)}

/* Pantalla de bloqueo */
.lock{position:fixed;inset:0;z-index:80;display:grid;place-items:center;text-align:center;background:var(--overlay);-webkit-backdrop-filter:blur(30px) saturate(160%);backdrop-filter:blur(30px) saturate(160%);padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px));padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);opacity:0;transition:opacity .4s var(--ease)}
.lock.show{opacity:1}
.lock-card{max-width:340px;display:grid;gap:12px;justify-items:center}
.lock-icon{width:76px;height:76px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(155deg,var(--icon-from),var(--icon-to));color:var(--ic-glyph);font-size:38px;margin-bottom:6px}
.lock-icon .hole{fill:var(--icon-key);stroke:none}
.lock h2{margin:0;font-family:var(--font-display);font-size:24px;font-weight:700;letter-spacing:-.02em}
.lock p{margin:0;color:var(--label-2);font-size:15px}
.lock .btn{margin-top:10px;max-width:280px}

html.privacy .sensitive{filter:blur(18px)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* Tarjeta de instalación */
.install-body{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;padding:16px 20px}
.appicon.small{grid-row:auto;width:46px;height:46px;border-radius:12px;font-size:24px}
.card-actions.single{grid-template-columns:1fr}
@media (display-mode: standalone){.install{display:none!important}}