:root{
  --text:#f2f4ff;
  --muted:rgba(226,232,255,.58);
  --stroke:rgba(255,255,255,.7);
  --stroke-soft:rgba(255,255,255,.24);
  --danger:#ff8f9c;
  --ok:#7dfcc0;
}
*{box-sizing:border-box}
html,body{height:100%}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;background:#05060b;color:var(--text);overflow:hidden;overscroll-behavior:none;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,system-ui,"Noto Sans","Noto Sans Arabic","Noto Sans Devanagari","Noto Sans Bengali","Hiragino Sans","Yu Gothic","Microsoft YaHei","Malgun Gothic",sans-serif;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;color:inherit}
[hidden]{display:none !important}
button,.mirror,.chat-row,.action,.icon-btn,.sheet-btn,.lang-item{touch-action:manipulation;-webkit-tap-highlight-color:transparent}

/* atmósfera */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;animation:drift 24s ease-in-out infinite alternate;contain:paint;will-change:transform}
.bg span:nth-child(1){width:52vmax;height:52vmax;left:-16vmax;top:-18vmax;background:radial-gradient(circle,#6f7dff,transparent 70%)}
.bg span:nth-child(2){width:44vmax;height:44vmax;right:-14vmax;top:2vmax;background:radial-gradient(circle,#22d3ee,transparent 70%);animation-delay:-8s;opacity:.26}
.bg span:nth-child(3){width:42vmax;height:42vmax;left:22vmax;bottom:-22vmax;background:radial-gradient(circle,#c084fc,transparent 70%);animation-delay:-14s;opacity:.22}
.bg::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 50% 0%,transparent 28%,rgba(5,6,11,.72) 76%,#05060b 100%)}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(3vmax,4vmax,0) scale(1.12)}}

.app{position:relative;z-index:1;height:100vh;height:100dvh;padding-bottom:var(--kb-gap,0px);display:flex;flex-direction:column;max-width:980px;margin:0 auto;width:100%;overflow:hidden}
.view{flex:1;display:flex;flex-direction:column;min-height:0}

/* botón espejo */
.mirror{
  position:relative;overflow:hidden;isolation:isolate;cursor:pointer;
  background:linear-gradient(165deg,rgba(255,255,255,.13),rgba(255,255,255,.02) 52%,rgba(255,255,255,.08));
  border:1px solid var(--stroke);
  box-shadow:0 0 16px rgba(255,255,255,.2),0 0 42px rgba(150,180,255,.12),inset 0 1px 0 rgba(255,255,255,.72),inset 0 0 18px rgba(255,255,255,.16);
  color:var(--text);transition:box-shadow .18s,border-color .18s,transform .06s,background .18s;
}
.mirror::after{
  content:"";position:absolute;inset:-2px;pointer-events:none;mix-blend-mode:screen;opacity:.8;
  background:linear-gradient(115deg,transparent 28%,rgba(255,255,255,.55) 44%,rgba(255,255,255,.07) 56%,transparent 72%);
  transform:translateX(-130%);transition:transform .85s cubic-bezier(.3,.7,.2,1);
}
.mirror:hover{border-color:#fff;box-shadow:0 0 22px rgba(255,255,255,.34),0 0 60px rgba(150,180,255,.22),inset 0 1px 0 #fff,inset 0 0 26px rgba(255,255,255,.24)}
.mirror:hover::after{transform:translateX(130%)}
.mirror:active{transform:scale(.975)}
.mirror:focus-visible{outline:2px solid #fff;outline-offset:3px}
.mirror:disabled{opacity:.45;cursor:default;transform:none}

/* cabecera dashboard */
.home-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px clamp(14px,4vw,26px) 10px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{
  width:46px;height:46px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 32% 24%,rgba(255,255,255,.42),rgba(255,255,255,.05) 62%,rgba(140,170,255,.16));
  border:1px solid rgba(255,255,255,.6);
  box-shadow:0 0 18px rgba(255,255,255,.28),inset 0 1px 0 rgba(255,255,255,.8),inset 0 0 20px rgba(160,190,255,.28);
  animation:float 6s ease-in-out infinite;color:#fff;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.logo svg{width:30px;height:30px;filter:drop-shadow(0 0 5px rgba(255,255,255,.5))}
.brand-text{min-width:0}
.brand-text h1{margin:0;font-size:19px;font-weight:600;letter-spacing:.2px;background:linear-gradient(180deg,#fff,#c9d4ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 22px rgba(200,215,255,.35);white-space:nowrap}
.brand-text p{margin:3px 0 0;font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
.top-right{display:flex;align-items:center;gap:8px;flex:none}
.pill{border-radius:999px;padding:9px 14px;font-size:12.5px;font-weight:500;display:flex;align-items:center;gap:7px}
.lang-btn svg{width:15px;height:15px;flex:none;opacity:.9}
.lang-btn .chev{transition:transform .3s}
.lang-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.lang-label{white-space:nowrap}
.lang-btn.compact{width:42px;height:42px;justify-content:center;padding:0;border-radius:50%}

/* menú de idiomas */
.lang-menu{
  position:fixed;z-index:80;width:min(80vw,252px);max-height:min(62vh,420px);overflow:auto;overscroll-behavior:contain;
  padding:8px;border-radius:20px;
  background:linear-gradient(170deg,rgba(22,25,38,.95),rgba(9,10,17,.97));
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 26px 70px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.2),0 0 34px rgba(140,170,255,.14);
  -webkit-backdrop-filter:blur(26px) saturate(170%);backdrop-filter:blur(26px) saturate(170%);
  opacity:0;transform:translateY(-8px) scale(.97);transition:opacity .2s,transform .2s
}
.lang-menu.open{opacity:1;transform:none}
.lang-menu::-webkit-scrollbar{width:8px}
.lang-menu::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22);border-radius:99px}
.lang-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;
  padding:10px 13px;border-radius:13px;background:transparent;border:1px solid transparent;
  font-size:14px;cursor:pointer;text-align:start;transition:background .2s,border-color .2s,box-shadow .2s
}
.lang-item:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.32);box-shadow:inset 0 0 14px rgba(255,255,255,.1)}
.lang-item[aria-selected="true"]{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.65);box-shadow:0 0 16px rgba(255,255,255,.2),inset 0 1px 0 rgba(255,255,255,.5)}
.lang-item .tick{opacity:0;width:15px;height:15px;flex:none;filter:drop-shadow(0 0 6px rgba(255,255,255,.9))}
.lang-item[aria-selected="true"] .tick{opacity:1}

/* dashboard */
.home-scroll{flex:1;overflow-y:auto;padding:6px clamp(14px,4vw,26px) 28px;display:flex;flex-direction:column;gap:18px}
.home-scroll::-webkit-scrollbar{width:9px}
.home-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.hero h2{margin:8px 0 0;font-size:clamp(22px,4.4vw,30px);line-height:1.22;font-weight:600;letter-spacing:-.3px;background:linear-gradient(180deg,#fff,#b9c6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.actions{display:grid;gap:12px}
.action{display:flex;align-items:center;gap:13px;padding:15px 18px;border-radius:20px;text-align:start}
.action-icon{width:38px;height:38px;flex:none;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.35);box-shadow:inset 0 0 14px rgba(255,255,255,.2)}
.action-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.action-text strong{font-size:15px;font-weight:600}
.action-text small{color:var(--muted);font-size:12px}

.list-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-top:6px}
.list-head h3{margin:0;font-size:13px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.count{font-size:12px;color:var(--muted)}

.chat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.chat-row{
  width:100%;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:18px;text-align:start;
  background:linear-gradient(165deg,rgba(255,255,255,.09),rgba(255,255,255,.02) 58%,rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.18);cursor:pointer;
  transition:border-color .12s,box-shadow .12s,transform .06s;
}
.chat-row:active{transform:scale(.99)}
.action:active{transform:scale(.99)}
.chat-row:hover{border-color:rgba(255,255,255,.7);box-shadow:0 0 18px rgba(255,255,255,.18),inset 0 0 16px rgba(255,255,255,.08);transform:translateY(-1px)}
.chat-row-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.chat-row-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.chat-row-title{font-size:14.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-row-time{font-size:11px;color:var(--muted);flex:none}
.chat-row-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}
.chat-row-preview{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{min-width:19px;height:19px;padding:0 6px;border-radius:99px;background:#fff;color:#0a0b12;font-size:11px;font-weight:700;display:grid;place-items:center}
.empty-list{margin:6px 0 0;font-size:13.5px;line-height:1.6;color:var(--muted);text-align:center;padding:18px 10px;border:1px dashed rgba(255,255,255,.16);border-radius:18px}

/* avatares */
.avatar{
  width:42px;height:42px;flex:none;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;letter-spacing:.4px;color:#08101a;
  border:1px solid rgba(255,255,255,.55);box-shadow:0 0 16px rgba(255,255,255,.16),inset 0 1px 0 rgba(255,255,255,.6);
}
.avatar.sm{width:36px;height:36px;font-size:12px}
.tone-0{background:linear-gradient(150deg,#cfe4ff,#8fb6ff)}
.tone-1{background:linear-gradient(150deg,#d9ffe9,#8bf0c0)}
.tone-2{background:linear-gradient(150deg,#ffe6cf,#ffb98a)}
.tone-3{background:linear-gradient(150deg,#f0dcff,#c7a2ff)}
.tone-4{background:linear-gradient(150deg,#d6f7ff,#8fd8ff)}
.tone-5{background:linear-gradient(150deg,#ffe0ec,#ffa6c4)}

/* cabecera del chat */
.chat-top{display:flex;align-items:center;gap:9px;padding:12px clamp(10px,3vw,20px);border-bottom:1px solid rgba(255,255,255,.08);background:rgba(6,8,14,.72);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.icon-btn{width:42px;height:42px;flex:none;border-radius:50%;display:grid;place-items:center}
.chat-peer{flex:1;display:flex;align-items:center;gap:10px;min-width:0}
.chat-peer-text{min-width:0}
.chat-peer-text h2{margin:0;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-peer-text p{margin:2px 0 0;font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-peer-text p.warn{color:var(--danger)}
.chat-peer-text p.typing{color:var(--ok)}

/* mensajes */
.messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px clamp(12px,3vw,22px) 10px;display:flex;flex-direction:column;gap:3px;scroll-behavior:auto;overflow-anchor:none}
.messages::-webkit-scrollbar{width:8px}
.messages::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.day{align-self:center;margin:10px 0 8px;padding:4px 12px;border-radius:99px;font-size:11px;color:var(--muted);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14)}
.msg{display:flex;max-width:100%}
.msg.me{justify-content:flex-end}
.msg.start{margin-top:8px}
.msg.in{animation:rise .32s cubic-bezier(.2,.8,.3,1) both}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.bubble{
  position:relative;max-width:min(78%,560px);padding:10px 14px 7px;border-radius:18px;border-end-start-radius:6px;
  background:linear-gradient(165deg,rgba(255,255,255,.11),rgba(255,255,255,.02) 58%,rgba(255,255,255,.07));
  border:1px solid var(--stroke-soft);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 8px 26px rgba(0,0,0,.4),0 0 22px rgba(160,190,255,.08);
}
.msg.cont .bubble{border-start-start-radius:8px}
.msg.me .bubble{
  border-end-start-radius:18px;border-end-end-radius:6px;
  background:linear-gradient(165deg,rgba(255,255,255,.96),rgba(224,232,255,.82));
  color:#0a0b12;border:1px solid rgba(255,255,255,.92);
  box-shadow:0 0 24px rgba(255,255,255,.26),0 8px 24px rgba(0,0,0,.35),inset 0 1px 0 #fff;
}
.who{display:block;font-size:11.5px;font-weight:700;margin-bottom:3px;color:#c8d6ff}
.msg.me .who{color:#2a3350}
.text{margin:0;font-size:15px;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere}
.text a{color:#a8c6ff}
.msg.me .text a{color:#1d3b7a}
.meta{display:flex;align-items:center;justify-content:flex-end;gap:5px;margin-top:3px;font-size:10.5px;color:rgba(226,232,255,.5)}
.msg.me .meta{color:rgba(10,11,18,.5)}
.ticks{display:inline-flex}
.ticks.sent{color:#0f7a52}
.jump{align-self:center;margin:6px 0;border-radius:99px;padding:7px 15px;font-size:12px}

/* chat vacío */
.chat-empty{margin:auto;max-width:340px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;padding:22px}
.chat-empty-badge{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.06);box-shadow:0 0 22px rgba(255,255,255,.2),inset 0 0 18px rgba(255,255,255,.14)}
.chat-empty h3{margin:6px 0 0;font-size:16px}
.chat-empty p{margin:0;font-size:13px;line-height:1.55;color:var(--muted)}
.chat-empty .pill{margin-top:8px}

/* compositor */
.composer-wrap{flex:none;padding:8px clamp(12px,3vw,22px) max(12px,env(safe-area-inset-bottom))}
.composer{
  display:flex;align-items:flex-end;gap:8px;padding:6px 6px 6px 16px;border-radius:26px;
  background:linear-gradient(165deg,rgba(255,255,255,.1),rgba(255,255,255,.02) 55%,rgba(255,255,255,.07));
  border:1px solid rgba(255,255,255,.5);
  box-shadow:0 0 24px rgba(255,255,255,.14),inset 0 1px 0 rgba(255,255,255,.5),inset 0 -14px 34px rgba(120,150,255,.08);
  -webkit-backdrop-filter:blur(18px) saturate(170%);backdrop-filter:blur(18px) saturate(170%);
  transition:border-color .3s,box-shadow .3s
}
.composer:focus-within{border-color:rgba(255,255,255,.9);box-shadow:0 0 30px rgba(255,255,255,.24),inset 0 1px 0 rgba(255,255,255,.8)}
#input{flex:1;min-width:0;background:none;border:0;outline:0;color:var(--text);font:inherit;font-size:15.5px;line-height:1.5;padding:11px 0;max-height:124px;resize:none;overflow-y:auto}
#input::placeholder{color:rgba(226,232,255,.4)}
.send{width:44px;height:44px;flex:none;border-radius:50%;display:grid;place-items:center}
[dir="rtl"] .send svg{transform:scaleX(-1)}
[dir="rtl"] .chat-top .icon-btn#back svg{transform:scaleX(-1)}
.composer-hint{min-height:15px;margin:7px 4px 0;font-size:11px;text-align:center;color:var(--muted)}
.composer-hint.warn{color:var(--danger)}

/* modales */
.modal-root{position:fixed;inset:0;z-index:90;display:grid;place-items:end center;pointer-events:none}
.modal-root .backdrop{position:absolute;inset:0;background:rgba(3,4,9,.66);opacity:0;transition:opacity .22s;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal-root .sheet{
  position:relative;width:min(100%,520px);max-height:88dvh;overflow:auto;margin:10px;
  padding:20px;border-radius:26px;
  background:linear-gradient(170deg,rgba(20,23,35,.97),rgba(8,9,15,.98));
  border:1px solid rgba(255,255,255,.26);
  box-shadow:0 30px 80px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.2),0 0 40px rgba(140,170,255,.12);
  transform:translateY(28px);opacity:0;transition:transform .26s cubic-bezier(.2,.8,.3,1),opacity .26s
}
.modal-root.open{pointer-events:auto}
.modal-root.open .backdrop{opacity:1}
.modal-root.open .sheet{transform:none;opacity:1}
.sheet-head{margin-bottom:14px}
.sheet-title{margin:0;font-size:19px;font-weight:600;letter-spacing:-.2px}
.sheet-sub{margin:6px 0 0;font-size:12.5px;line-height:1.5;color:var(--muted)}
.sheet-body{display:flex;flex-direction:column;gap:12px}
.sheet-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.sheet-btn{
  flex:1 1 auto;min-width:120px;padding:12px 16px;border-radius:16px;font-size:14px;font-weight:600;cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.3);transition:background .2s,border-color .2s,box-shadow .2s
}
.sheet-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6)}
.sheet-btn.primary{
  background:linear-gradient(165deg,rgba(255,255,255,.95),rgba(226,233,255,.84));color:#0a0b12;border-color:#fff;
  box-shadow:0 0 24px rgba(255,255,255,.28),inset 0 1px 0 #fff
}
.sheet-btn.primary:hover{box-shadow:0 0 34px rgba(255,255,255,.42)}
.sheet-btn.danger{color:var(--danger);border-color:rgba(255,143,156,.5);background:rgba(255,143,156,.1)}
.sheet-btn.ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--muted)}
.sheet-note{margin:0;font-size:11.5px;line-height:1.55;color:var(--muted)}
.field{display:flex;flex-direction:column;gap:6px}
.field-label{font-size:11.5px;letter-spacing:.4px;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border-radius:14px;font:inherit;font-size:14.5px;color:var(--text);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.24);outline:0;
  transition:border-color .2s,box-shadow .2s
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:rgba(255,255,255,.85);box-shadow:0 0 20px rgba(255,255,255,.16)}
.field textarea{resize:vertical;min-height:74px}
.field select{-webkit-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.7) 50%),linear-gradient(135deg,rgba(255,255,255,.7) 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input[readonly]{color:var(--muted);font-size:12.5px}
.field-hint{font-size:11px;color:var(--muted)}
.shake{animation:shake .32s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}
.info-list{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:9px;font-size:13px;line-height:1.55;color:var(--muted)}
.info-list strong{color:var(--text);display:block;font-size:12.5px}

/* aviso */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);z-index:120;
  padding:11px 18px;border-radius:99px;font-size:13px;max-width:88vw;text-align:center;
  background:rgba(16,18,28,.96);border:1px solid rgba(255,255,255,.32);
  box-shadow:0 18px 40px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.2),0 0 24px rgba(255,255,255,.12);
  opacity:0;pointer-events:none;transition:opacity .24s,transform .24s
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (min-width:760px){
  .actions{grid-template-columns:1fr 1fr}
  .modal-root{place-items:center}
  .modal-root .sheet{margin:0}
}
@media (max-width:520px){
  .bg span{filter:blur(64px);animation-duration:38s}
  .brand-text p{display:none}
  .lang-btn .lang-label,.lang-btn .chev{display:none}
  .lang-btn{padding:0;width:40px;height:40px;border-radius:50%;justify-content:center}
  .logo{width:42px;height:42px}
  .logo svg{width:27px;height:27px}
  .bubble{max-width:86%}
}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}