/* Cipher client — ai-sns.io house tokens */
:root{
  --void:#0a0b14; --bg2:#0d0f1a; --panel:#11131f; --panel2:#181b2a; --panel3:#1f2333;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.16);
  --brand:#7d56d6; --brand2:#d6249f; --grad:linear-gradient(135deg,#7d56d6,#d6249f);
  --ink:#e7eaf3; --ink2:#a0a6b8; --dim:#7b8195;
  --ok:#34d399; --warn:#fbbf24; --danger:#f87171; --info:#60a5fa;
  --r:14px; --rs:10px;
  --f:'Inter','Noto Sans JP',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--void); color:var(--ink); font-family:var(--f); font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased; overscroll-behavior:none;
  background-image:radial-gradient(900px 500px at 100% -10%,rgba(214,36,159,.06),transparent 60%),
                   radial-gradient(900px 500px at -10% 30%,rgba(125,86,214,.09),transparent 60%);
  background-attachment:fixed;
}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:var(--brand2)}
.mono{font-family:var(--mono)}
.hide{display:none!important}

/* ---- shell ---- */
#app{max-width:520px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(13,15,26,.6),rgba(10,11,20,.9));border-inline:1px solid var(--line)}
@media(max-width:540px){#app{border:0}}
.screen{flex:1;display:flex;flex-direction:column;min-height:0}

/* ---- wordmark ---- */
.wm{display:inline-flex;align-items:flex-end;font-weight:600;letter-spacing:-.02em;line-height:1}
.wm .dot{display:inline-block;border-radius:50%;background:var(--grad);flex:none}
.wm-lg{font-size:40px} .wm-lg .dot{width:8px;height:8px;margin-left:5px;margin-bottom:3px}
.wm-sm{font-size:19px} .wm-sm .dot{width:5px;height:5px;margin-left:3px;margin-bottom:2px}

/* ---- centred forms ---- */
.pad{padding:26px 22px}
.center{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:30px 24px;gap:6px}
h1{font-size:23px;margin:14px 0 6px;letter-spacing:-.02em}
h2{font-size:17px;margin:0 0 4px}
.sub{color:var(--ink2);font-size:14px;margin:0 0 20px;max-width:34ch}
.field{width:100%;max-width:340px;text-align:left;margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--ink2);margin-bottom:6px}
.inp{width:100%;padding:12px 14px;border-radius:var(--rs);border:1px solid var(--line2);
  background:var(--panel2);color:var(--ink);font-size:15px;transition:border-color .12s,box-shadow .12s}
.inp:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(125,86,214,.22)}
.inp.key{font-family:var(--mono);letter-spacing:.16em;text-align:center;text-transform:uppercase;font-size:17px}
.btn{width:100%;max-width:340px;padding:13px 18px;border-radius:999px;font-weight:600;
  background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(125,86,214,.32);transition:filter .12s,transform .1s}
.btn:hover{filter:brightness(1.08)} .btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.45;pointer-events:none;box-shadow:none}
.btn.ghost{background:transparent;border:1px solid var(--line2);box-shadow:none;color:var(--ink)}
.btn.danger{background:rgba(248,113,113,.14);border:1px solid rgba(248,113,113,.4);color:var(--danger);box-shadow:none}
.note{font-size:12px;color:var(--dim);max-width:34ch;margin-top:14px}
.err{color:var(--danger);font-size:13px;min-height:18px;margin:6px 0}

/* ---- keypad ---- */
.pins{display:flex;gap:10px;justify-content:center;margin:20px 0 8px}
.pins i{width:11px;height:11px;border-radius:50%;border:1.5px solid var(--line2);display:block}
.pins i.on{background:var(--grad);border-color:transparent}
.pad-grid{display:grid;grid-template-columns:repeat(3,72px);gap:12px;justify-content:center;margin-top:14px}
.pad-grid button{height:62px;border-radius:16px;background:var(--panel2);border:1px solid var(--line);
  font-size:21px;font-weight:500;transition:background .12s,transform .08s}
.pad-grid button:active{background:var(--panel3);transform:scale(.95)}
.pad-grid button.flat{background:transparent;border-color:transparent;font-size:14px;color:var(--ink2)}

/* ---- header / tabs ---- */
header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);
  background:rgba(10,11,20,.82);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}
header .grow{flex:1;min-width:0}
header .who{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
header .sub2{font-size:11.5px;color:var(--dim);font-family:var(--mono)}
.iconbtn{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-size:17px;
  color:var(--ink2);flex:none}
.iconbtn:hover{background:var(--panel2);color:var(--ink)}
.dotlive{width:7px;height:7px;border-radius:50%;background:var(--dim);flex:none}
.dotlive.on{background:var(--ok);box-shadow:0 0 8px rgba(52,211,153,.7)}

nav.tabs{display:flex;border-top:1px solid var(--line);background:rgba(10,11,20,.92);
  backdrop-filter:blur(12px);padding-bottom:env(safe-area-inset-bottom)}
nav.tabs button{flex:1;padding:10px 4px 12px;color:var(--dim);font-size:11px;display:grid;gap:3px;justify-items:center}
nav.tabs button .ic{font-size:19px;line-height:1}
nav.tabs button.on{color:var(--ink)}
nav.tabs button.on .ic{filter:drop-shadow(0 0 8px rgba(125,86,214,.8))}

/* ---- lists ---- */
.list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.row{display:flex;align-items:center;gap:13px;padding:13px 16px;border-bottom:1px solid rgba(255,255,255,.05);
  cursor:pointer;transition:background .13s}
.row:hover{background:rgba(255,255,255,.035)}
.row:active{background:rgba(255,255,255,.06)}
.av{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:14px;
  color:#fff;flex:none;background:var(--grad);position:relative}
.av .p{position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;
  border:2px solid var(--void);background:var(--dim)}
.av .p.on{background:var(--ok)}
.row .meta{flex:1;min-width:0}
.row .nm{font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .dt{font-size:12px;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .right{font-size:11px;color:var(--dim);font-family:var(--mono);text-align:right;flex:none}
.empty{padding:60px 28px;text-align:center;color:var(--ink2)}
.empty .big{font-size:38px;margin-bottom:12px;opacity:.85;
  filter:drop-shadow(0 6px 18px rgba(125,86,214,.45))}

/* ---- chat ---- */
.chat{flex:1;display:flex;flex-direction:column;min-height:0}
.banner{display:flex;align-items:center;gap:8px;padding:9px 15px;font-size:11.5px;color:var(--ink2);
  background:linear-gradient(180deg,rgba(28,31,48,.7),rgba(17,19,31,.7));
  border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.banner .tag{font-family:var(--mono);font-size:10px;padding:2px 7px;border-radius:999px;
  border:1px solid var(--line2);color:var(--dim)}
.banner .tag.p2p{color:var(--ok);border-color:rgba(52,211,153,.45)}
.msgs{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:8px}
.bub{max-width:78%;padding:9px 13px;border-radius:16px;font-size:14.5px;word-break:break-word;white-space:pre-wrap}
.bub.me{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px;
  box-shadow:0 8px 22px -12px rgba(214,36,159,.85)}
.bub.them{align-self:flex-start;border-bottom-left-radius:5px;
  background:linear-gradient(180deg,rgba(32,36,54,.9),rgba(24,27,42,.9));border:1px solid var(--line)}
.bub .t{display:block;font-size:10px;opacity:.65;margin-top:3px;font-family:var(--mono)}
.sys{align-self:center;font-size:11.5px;color:var(--dim);background:var(--panel);border:1px solid var(--line);
  padding:5px 12px;border-radius:999px;text-align:center;max-width:90%}
.composer{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line);
  background:rgba(10,11,20,.9);padding-bottom:calc(10px + env(safe-area-inset-bottom))}
.composer input{flex:1;padding:11px 15px;border-radius:999px;border:1px solid var(--line2);background:var(--panel2)}
.composer input:focus{outline:0;border-color:var(--brand)}
.composer .send{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;flex:none}

/* ---- call ---- */
.call{position:fixed;inset:0;z-index:60;background:#06070d;display:flex;flex-direction:column}
.call .vids{flex:1;position:relative;background:#06070d;overflow:hidden}
.call video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#06070d}
.call video.self{inset:auto 12px 12px auto;width:104px;height:150px;border-radius:12px;
  border:1px solid var(--line2);object-fit:cover;box-shadow:0 10px 30px rgba(0,0,0,.6)}
.call .who2{position:absolute;top:0;left:0;right:0;padding:24px 20px;text-align:center;
  background:linear-gradient(180deg,rgba(6,7,13,.85),transparent)}
.call .who2 .n{font-size:21px;font-weight:600}
.call .who2 .s{font-size:12.5px;color:var(--ink2);font-family:var(--mono);margin-top:4px}
.call .ctrls{display:flex;justify-content:center;gap:18px;padding:22px 20px calc(30px + env(safe-area-inset-bottom))}
.call .ctrls button{width:58px;height:58px;border-radius:50%;background:var(--panel2);border:1px solid var(--line);
  display:grid;place-items:center;font-size:22px}
.call .ctrls button.end{background:var(--danger);border-color:transparent}
.call .ctrls button.off{background:var(--panel3);color:var(--dim)}

.call .vids.grid{display:grid;gap:6px;padding:6px;align-content:center;
  grid-template-columns:repeat(auto-fit,minmax(46%,1fr))}
.call .tile{position:relative;aspect-ratio:3/4;border-radius:14px;overflow:hidden;background:#0d0f1a;
  border:1px solid var(--line)}
.call .tile video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.call .tile .tag{position:absolute;left:8px;bottom:8px;font-size:11px;padding:3px 9px;border-radius:999px;
  background:rgba(6,7,13,.72);border:1px solid var(--line);backdrop-filter:blur(6px)}
.call .tile.self{border-color:var(--line2)}
.sbtn{font-size:12.5px;padding:6px 12px;border-radius:8px;border:1px solid var(--line2);color:var(--ink);
  background:var(--panel2)}
.sbtn:hover{background:var(--panel3)}
.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.bar .grow{flex:1}

/* ---- settings ----
   Each section is a card rather than a ruled band: the same information,
   but it stops reading like a form and starts reading like a status panel. */
#v-settings{padding:14px 14px 28px;display:flex;flex-direction:column;gap:12px}
.sec{padding:18px 18px 16px;border-radius:18px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(28,31,48,.62),rgba(17,19,31,.66));
  box-shadow:0 1px 0 rgba(255,255,255,.045) inset, 0 16px 36px -30px rgba(0,0,0,.9)}
.sec h3{margin:0 0 12px;font-size:11px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--dim);font-family:var(--mono)}
.kv{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 0;
  border-bottom:1px solid rgba(255,255,255,.05);font-size:14.5px}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--ink2);flex:none}
.kv .v{text-align:right;word-break:break-word;font-weight:500}
.fp{font-family:var(--mono);font-size:13px;line-height:2;letter-spacing:.06em;color:var(--ink);
  border-radius:14px;padding:15px 16px;
  background:linear-gradient(135deg,rgba(125,86,214,.13),rgba(214,36,159,.08));
  border:1px solid rgba(255,255,255,.1)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-family:var(--mono);
  padding:4px 10px;border-radius:999px;border:1px solid var(--line2);color:var(--ink2);
  background:rgba(255,255,255,.03)}
.pill::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.85}
.pill.ok{color:#5fe0ab;border-color:rgba(52,211,153,.34);background:rgba(52,211,153,.08)}
.pill.warn{color:var(--warn);border-color:rgba(251,191,36,.34);background:rgba(251,191,36,.07)}
.sec .btn{margin-top:4px}
.sec .note{margin-top:8px;font-size:12.5px;color:var(--dim);line-height:1.6}

/* ---- toast / sheet ---- */
.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%);z-index:80;
  background:var(--panel3);border:1px solid var(--line2);border-radius:999px;padding:9px 18px;font-size:13px;
  box-shadow:0 14px 40px rgba(0,0,0,.6);max-width:88vw;text-align:center}
.sheet{position:fixed;inset:0;z-index:70;background:rgba(4,5,10,.7);display:flex;align-items:flex-end;
  justify-content:center;backdrop-filter:blur(3px)}
.sheet .card{width:100%;max-width:520px;border:1px solid var(--line2);border-bottom:0;
  background:linear-gradient(180deg,rgba(32,36,54,.98),rgba(17,19,31,.99));
  border-radius:24px 24px 0 0;padding:22px 22px calc(26px + env(safe-area-inset-bottom));
  max-height:86dvh;overflow-y:auto;box-shadow:0 -20px 60px -24px rgba(0,0,0,.9)}
.sheet .card::before{content:"";display:block;width:38px;height:4px;border-radius:999px;
  background:var(--line2);margin:-6px auto 16px}
.sheet h2{margin-bottom:14px}