/* SORVIAN EASY — senior-first mobile styles, r2.
   Layout: one column, big tiles, sticky brand header, fixed 3-button bottom bar.
   Two eye-care themes: warm paper (light) and deep navy (dark), both low-glare. */
:root{
  /* light · 護眼暖白 */
  --bg:#f6f3ec; --surface:#ffffff; --surface-2:#efebe2;
  --fg:#1b2431; --muted:#56606f; --line:#d7d1c5; --line-strong:#b9b2a4;
  --primary:#1c5db3; --primary-fg:#ffffff; --primary-soft:#e2ecfa; --primary-deep:#154a90;
  --accent:#1f7f47; --accent-soft:#e0f3e7;
  --warn:#8a5a00; --warn-soft:#fff1cf;
  --sos:#c4372c; --sos-fg:#ffffff; --sos-soft:#fde7e4;
  --focus:#f2b705;
  --header:#0d1b2e; --header-fg:#ffffff; --header-sub:#9fc0ff;
  --shadow:0 2px 10px rgba(27,36,49,.10); --shadow-lg:0 8px 24px rgba(27,36,49,.14);
  /* category hues: icon circle bg / icon fg */
  --c-chat-bg:#dceafd; --c-chat-fg:#1c5db3;
  --c-travel-bg:#d6f1ee; --c-travel-fg:#0e7c6e;
  --c-under-bg:#eadff7; --c-under-fg:#6b3fa0;
  --c-write-bg:#ffe7cf; --c-write-fg:#b35400;
  --c-scam-bg:#fde0e0; --c-scam-fg:#b3261e;
  --c-learn-bg:#def3d8; --c-learn-fg:#2a7a2a;
  --radius:22px; --tap:68px; --fs:22px;
  --font-latin:"Noto Sans","Segoe UI",Roboto,Arial,sans-serif;
  --font-han:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Noto Sans CJK TC",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0f1824; --surface:#18243a; --surface-2:#1f2d47;
  --fg:#eceff4; --muted:#a9b3c4; --line:#2d3b55; --line-strong:#4a5a78;
  --primary:#78adff; --primary-fg:#0b1628; --primary-soft:#1d2f4f; --primary-deep:#5f97ee;
  --accent:#62cf8e; --accent-soft:#17392a;
  --warn:#f3c56b; --warn-soft:#3a2f12;
  --sos:#ff7366; --sos-fg:#2a0b08; --sos-soft:#42201c;
  --header:#0a1322; --header-fg:#ffffff; --header-sub:#9fc0ff;
  --shadow:0 2px 10px rgba(0,0,0,.35); --shadow-lg:0 8px 24px rgba(0,0,0,.45);
  --c-chat-bg:#1f3558; --c-chat-fg:#9cc3ff;
  --c-travel-bg:#15383a; --c-travel-fg:#7fdccf;
  --c-under-bg:#302447; --c-under-fg:#cdb3f5;
  --c-write-bg:#3d2a16; --c-write-fg:#ffbe85;
  --c-scam-bg:#3f1f1f; --c-scam-fg:#ff9b94;
  --c-learn-bg:#1d3a1f; --c-learn-fg:#9fe39c;
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0f1824; --surface:#18243a; --surface-2:#1f2d47;
  --fg:#eceff4; --muted:#a9b3c4; --line:#2d3b55; --line-strong:#4a5a78;
  --primary:#78adff; --primary-fg:#0b1628; --primary-soft:#1d2f4f; --primary-deep:#5f97ee;
  --accent:#62cf8e; --accent-soft:#17392a;
  --warn:#f3c56b; --warn-soft:#3a2f12;
  --sos:#ff7366; --sos-fg:#2a0b08; --sos-soft:#42201c;
  --header:#0a1322; --header-fg:#ffffff; --header-sub:#9fc0ff;
  --shadow:0 2px 10px rgba(0,0,0,.35); --shadow-lg:0 8px 24px rgba(0,0,0,.45);
  --c-chat-bg:#1f3558; --c-chat-fg:#9cc3ff;
  --c-travel-bg:#15383a; --c-travel-fg:#7fdccf;
  --c-under-bg:#302447; --c-under-fg:#cdb3f5;
  --c-write-bg:#3d2a16; --c-write-fg:#ffbe85;
  --c-scam-bg:#3f1f1f; --c-scam-fg:#ff9b94;
  --c-learn-bg:#1d3a1f; --c-learn-fg:#9fe39c;
  color-scheme:dark;
}
body.fs-1{--fs:19px} body.fs-2{--fs:22px} body.fs-3{--fs:26px}
@media (prefers-contrast: more){ :root{--line:var(--line-strong);--muted:var(--fg)} }
@media (prefers-reduced-motion: reduce){ *{transition:none!important;animation:none!important} }

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg)}
body{font-family:var(--font-han),var(--font-latin);font-size:var(--fs);line-height:1.55;-webkit-text-size-adjust:100%;
  padding-bottom:calc(var(--tap) + 28px + env(safe-area-inset-bottom))}
:lang(en) body, :lang(ms) body, body:lang(en), body:lang(ms){font-family:var(--font-latin),var(--font-han)}
.skip{position:absolute;left:-999px;top:0;background:var(--primary);color:var(--primary-fg);padding:12px}
.skip:focus{left:8px;z-index:99}
button,a{touch-action:manipulation}
button{font:inherit;color:inherit}
a{color:var(--primary)}
h1{font-size:1.5em;margin:14px 0 8px;line-height:1.25;text-wrap:balance;letter-spacing:.01em}
h2{font-size:1.18em;margin:22px 0 10px;line-height:1.3}
p{margin:8px 0}
.muted{color:var(--muted)}
.small{font-size:.86em}
hr{border:0;border-top:1px solid var(--line);margin:20px 0}
:focus-visible{outline:4px solid var(--focus);outline-offset:3px}

/* ---------- brand header (always dark navy, logo stays on its own backdrop) ---------- */
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 12px;padding-top:calc(8px + env(safe-area-inset-top));background:var(--header);color:var(--header-fg);min-height:68px;
  box-shadow:0 2px 0 rgba(255,255,255,.06),0 4px 14px rgba(0,0,0,.25)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--header-fg);white-space:nowrap;min-width:0}
.brand img{width:46px;height:46px;flex:none;filter:drop-shadow(0 1px 2px rgba(0,0,0,.5))}
.brand .name{display:flex;flex-direction:column;line-height:1.05}
.brand .name b{font-family:var(--font-latin);font-weight:700;font-size:1.02em;letter-spacing:.12em}
.brand .name b span{color:var(--header-sub)}
.brand .name small{font-family:var(--font-latin);font-size:.55em;letter-spacing:.28em;color:var(--header-sub);margin-top:3px}
.hdr-actions{display:flex;gap:6px;flex:none}
.icon-btn{min-height:50px;min-width:50px;padding:6px 10px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:var(--header-fg);
  border-radius:14px;font-size:.9em;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.icon-btn[hidden]{display:none}
.icon-btn .ico{font-size:1.25em;line-height:1}
@media (max-width:430px){ .icon-btn .lbl{display:none} .brand .name small{display:none} }
/* narrow phones: the brand must shrink instead of sliding under the header buttons */
.brand{flex:1 1 auto;overflow:hidden}
.brand .name{min-width:0;overflow:hidden}
@media (max-width:430px){ .brand img{width:38px;height:38px} .brand .name b{font-size:.82em;letter-spacing:.06em} .icon-btn{min-width:46px;min-height:46px;padding:4px 8px} .hdr-actions{gap:4px} }
@media (max-width:350px){ .brand .name b span{display:none} }

/* ---------- screen ---------- */
.screen{padding:14px 16px 28px;max-width:720px;margin:0 auto}
.hero{margin:6px 0 4px}
.hero h1{font-size:1.6em}
.step-hint{background:var(--primary-soft);border-left:6px solid var(--primary);padding:12px 16px;border-radius:14px;margin:12px 0;color:var(--fg)}
.notice{background:var(--warn-soft);border-left:6px solid var(--warn);padding:12px 16px;border-radius:14px;margin:12px 0}
.ok{background:var(--accent-soft);border-left:6px solid var(--accent);padding:12px 16px;border-radius:14px;margin:12px 0}

/* ---------- date / greeting card ---------- */
.date-card{display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:var(--radius);margin:6px 0 14px;
  background:linear-gradient(135deg,var(--primary-soft),var(--surface));border:1.5px solid var(--line);box-shadow:var(--shadow)}
.date-emo{font-size:2.6em;line-height:1;flex:none;filter:drop-shadow(0 2px 3px rgba(0,0,0,.15))}
.date-body{min-width:0;flex:1}
.date-greet{font-weight:700;font-size:1.3em;line-height:1.2;margin-bottom:4px}
.date-line{font-size:.92em;line-height:1.4}
.date-line #clock{font-variant-numeric:tabular-nums;font-weight:700;color:var(--primary)}
.date-fest{margin-top:6px;font-weight:700;color:var(--c-write-fg);background:var(--c-write-bg);display:inline-block;padding:4px 12px;border-radius:999px;font-size:.9em}
.date-fest.soft{font-weight:600;opacity:.9}

/* ---------- home tiles ---------- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}
.tile{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-height:168px;padding:16px;border-radius:var(--radius);
  border:1.5px solid var(--line);background:var(--surface);box-shadow:var(--shadow);text-decoration:none;color:var(--fg);text-align:left;cursor:pointer;width:100%;
  transition:transform .08s ease,box-shadow .08s ease}
.tile .ico{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:20px;font-size:1.7em;line-height:1;
  background:var(--c-bg,var(--primary-soft));color:var(--c-fg,var(--primary))}
.tile .ttl{font-weight:700;font-size:1.08em;line-height:1.25;margin-top:auto}
.tile .sub{font-size:.82em;color:var(--muted);line-height:1.35}
.tile:active{transform:scale(.985);box-shadow:none}
.tile.c-chat{--c-bg:var(--c-chat-bg);--c-fg:var(--c-chat-fg)}
.tile.c-travel{--c-bg:var(--c-travel-bg);--c-fg:var(--c-travel-fg)}
.tile.c-understand{--c-bg:var(--c-under-bg);--c-fg:var(--c-under-fg)}
.tile.c-write{--c-bg:var(--c-write-bg);--c-fg:var(--c-write-fg)}
.tile.c-scam{--c-bg:var(--c-scam-bg);--c-fg:var(--c-scam-fg)}
.tile.c-learn{--c-bg:var(--c-learn-bg);--c-fg:var(--c-learn-fg)}
.tile.wide{grid-column:1/-1;flex-direction:row;align-items:center;min-height:96px;gap:16px}
.tile.wide .ttl{margin-top:0}
.tile.sos{background:var(--sos);color:var(--sos-fg);border-color:var(--sos);box-shadow:var(--shadow-lg)}
.tile.sos .ico{background:rgba(255,255,255,.22);color:var(--sos-fg)}
.tile.sos .sub{color:var(--sos-fg);opacity:.9}

/* ---------- list rows ---------- */
.list{display:flex;flex-direction:column;gap:12px;margin:14px 0}
.row{display:flex;align-items:center;gap:14px;min-height:var(--tap);padding:14px 16px;border-radius:18px;border:1.5px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow);text-decoration:none;color:var(--fg);width:100%;text-align:left;cursor:pointer;font:inherit}
.row .ico{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:16px;font-size:1.4em;flex:none;
  background:var(--surface-2);color:var(--fg)}
.row > span:nth-child(2){flex:1;min-width:0}
.row .ttl{font-weight:700;display:block}
.row .chev{color:var(--muted);font-size:1.4em}
.row.done{border-color:var(--accent)}
.row.done .ico{background:var(--accent-soft);color:var(--accent)}
.row:active{transform:scale(.99)}

/* ---------- buttons ---------- */
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:var(--tap);padding:14px 18px;border-radius:18px;border:2px solid var(--primary);
  background:var(--primary);color:var(--primary-fg);font-weight:700;font-size:1.05em;cursor:pointer;text-decoration:none;margin:12px 0;box-shadow:var(--shadow)}
.btn.secondary{background:var(--surface);color:var(--primary)}
.btn.ghost{background:transparent;border-color:var(--line-strong);color:var(--fg);font-weight:600;box-shadow:none}
.btn.success{background:var(--accent);border-color:var(--accent);color:#fff;min-height:84px;font-size:1.15em;box-shadow:var(--shadow-lg)}
:root[data-theme="dark"] .btn.success{color:#06240f}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn.success{color:#06240f} }
.btn.sos{background:var(--sos);border-color:var(--sos);color:var(--sos-fg);min-height:104px;font-size:1.55em;box-shadow:var(--shadow-lg)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;box-shadow:none}
.btn:active{transform:scale(.985)}
.btn-row{display:flex;gap:12px}
.btn-row .btn{flex:1;min-width:0}

/* ---------- forms ---------- */
.field{margin:16px 0}
.field label{display:block;font-weight:700;margin-bottom:8px}
.field .opt{font-weight:400;color:var(--muted);font-size:.84em}
.field input,.field textarea,.field select{width:100%;font:inherit;font-size:1em;padding:14px 16px;border:2px solid var(--line-strong);border-radius:16px;
  background:var(--surface);color:var(--fg);min-height:var(--tap)}
.field textarea{min-height:130px;resize:vertical;line-height:1.5}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);opacity:.85}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{min-height:56px;padding:10px 18px;border-radius:999px;border:2px solid var(--line-strong);background:var(--surface);cursor:pointer;font:inherit;font-weight:600}
.chip[aria-pressed="true"]{background:var(--primary);color:var(--primary-fg);border-color:var(--primary)}

/* ---------- prompt / result ---------- */
.prompt-box{width:100%;min-height:220px;font:inherit;font-size:1em;line-height:1.55;padding:16px;border:2px solid var(--primary);border-radius:18px;
  background:var(--surface);color:var(--fg);white-space:pre-wrap}
.ai-pick{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0}
.ai-pick button{min-height:78px;border-radius:18px;border:2px solid var(--line-strong);background:var(--surface);font-weight:700;cursor:pointer;font:inherit;font-size:1.05em;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.ai-pick button small{font-weight:400;font-size:.75em;color:var(--muted)}
.ai-pick button[aria-pressed="true"]{border-color:var(--primary);background:var(--primary-soft);box-shadow:inset 0 0 0 2px var(--primary)}

/* ---------- lessons ---------- */
.lesson-steps{display:flex;gap:6px;margin:12px 0}
.lesson-steps span{flex:1;height:12px;border-radius:6px;background:var(--line)}
.lesson-steps span.on{background:var(--primary)}
.demo{border:2px dashed var(--line-strong);border-radius:18px;padding:14px 16px;background:var(--surface)}
.demo p{margin:10px 0}

/* ---------- bottom nav ---------- */
.bottombar{position:fixed;left:0;right:0;bottom:0;z-index:5;display:grid;grid-template-columns:1fr 1fr 1fr;background:var(--surface);border-top:1.5px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 14px rgba(0,0,0,.08)}
.bottombar a{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:var(--tap);text-decoration:none;color:var(--fg);font-size:.82em;gap:3px;font-weight:600}
.bottombar .nav-ico{font-size:1.35em;font-weight:700;line-height:1}
.bottombar .nav-sos{color:var(--sos)}
.bottombar .nav-sos .nav-ico{background:var(--sos);color:var(--sos-fg);padding:3px 12px;border-radius:10px;font-size:1em}

/* ---------- press feedback (dip + ripple) ---------- */
.btn,.tile,.row,.chip,.icon-btn,.ai-pick button,.bottombar a{position:relative;overflow:hidden;isolation:isolate;
  transition:transform .16s cubic-bezier(.2,.8,.3,1),box-shadow .16s ease,filter .16s ease,border-color .16s ease;-webkit-tap-highlight-color:transparent}
.btn:active,.tile:active,.row:active,.chip:active,.icon-btn:active,.ai-pick button:active,.bottombar a:active{transform:scale(.96);filter:brightness(.94);box-shadow:none}
/* hover lift: only on real pointers (mouse / trackpad), so phones never get a stuck hover state */
@media (hover:hover) and (pointer:fine){
  .btn:hover,.tile:hover,.row:hover,.chip:hover,.icon-btn:hover,.ai-pick button:hover{transform:translateY(-3px) scale(1.015);box-shadow:var(--shadow-lg);filter:brightness(1.03);cursor:pointer}
  .tile:hover,.row:hover,.ai-pick button:hover{border-color:var(--primary)}
  .btn.ghost:hover{box-shadow:var(--shadow)}
  .bottombar a:hover{transform:translateY(-2px);color:var(--primary)}
  .bottombar .nav-sos:hover{color:var(--sos)}
  .btn:active,.tile:active,.row:active,.chip:active,.icon-btn:active,.ai-pick button:active{transform:translateY(0) scale(.96)}
}
.pressed{animation:press-dip .32s cubic-bezier(.2,.8,.3,1)}
.pressed::after{content:"";position:absolute;left:var(--px,50%);top:var(--py,50%);width:24px;height:24px;margin:-12px 0 0 -12px;border-radius:50%;
  background:currentColor;opacity:.22;pointer-events:none;animation:ripple .55s ease-out forwards}
@keyframes press-dip{0%{transform:scale(1)}35%{transform:scale(.95)}100%{transform:scale(1)}}
@keyframes ripple{to{transform:scale(18);opacity:0}}
.btn.success.pressed{animation:press-dip .32s cubic-bezier(.2,.8,.3,1),glow .6s ease-out}
@keyframes glow{0%{box-shadow:0 0 0 0 rgba(98,207,142,.55)}100%{box-shadow:0 0 0 18px rgba(98,207,142,0)}}
@media (prefers-reduced-motion: reduce){ .pressed,.pressed::after,.btn.success.pressed{animation:none} }

/* ---------- auth ---------- */
.auth-hero{text-align:center;margin:10px 0 6px}
.auth-hero img{filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}
.dob{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:10px}
.dob select{width:100%;font:inherit;font-size:1em;padding:14px 10px;border:2px solid var(--line-strong);border-radius:16px;background:var(--surface);color:var(--fg);min-height:var(--tap)}
.check{display:flex;gap:14px;align-items:flex-start;margin:18px 0;font-size:.95em;cursor:pointer}
.check input{width:30px;height:30px;flex:none;margin-top:4px;accent-color:var(--primary)}
.modal{position:fixed;inset:0;z-index:60;background:rgba(5,10,20,.6);display:flex;align-items:center;justify-content:center;padding:18px}
.modal-card{background:var(--surface);color:var(--fg);border-radius:24px;padding:22px 20px;max-width:560px;width:100%;max-height:88vh;overflow:auto;box-shadow:var(--shadow-lg);position:relative}
.modal-card h2{margin-top:0}
.bday{text-align:center;overflow:hidden}
.bday-cake{font-size:4.5em;line-height:1;margin:8px 0;animation:bounce 1.2s ease-in-out infinite}
.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.confetti span{position:absolute;top:-12%;font-size:1.4em;animation:fall 3.2s linear infinite;opacity:.9}
@keyframes fall{to{transform:translateY(120vh) rotate(360deg)}}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ---------- chat ---------- */
.room-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}
.room-tab{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;min-height:84px;border-radius:16px;border:2px solid var(--line);background:var(--surface);
  text-decoration:none;color:var(--fg);font-size:.8em;font-weight:700;text-align:center;position:relative;line-height:1.2}
.room-tab .rt-ico{font-size:1.5em}
.room-tab.on{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.badge{position:absolute;top:-8px;right:-6px;background:var(--sos);color:var(--sos-fg);font-size:.78em;min-width:24px;height:24px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;font-weight:700}
.room-note{background:var(--surface-2);border-radius:14px;padding:10px 14px;font-size:.88em;color:var(--muted);margin:8px 0}
.msgs{min-height:220px;max-height:52vh;overflow:auto;padding:6px 2px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.msg{max-width:88%;align-self:flex-start}
.msg.mine{align-self:flex-end;text-align:right}
.msg-meta{font-size:.78em;color:var(--muted);margin:0 6px 3px}
.msg .bubble{display:inline-block;background:var(--surface);border:1.5px solid var(--line);border-radius:18px 18px 18px 6px;padding:12px 16px;text-align:left;line-height:1.5;word-break:break-word;box-shadow:var(--shadow)}
.msg.mine .bubble{background:var(--primary-soft);border-color:var(--primary);border-radius:18px 18px 6px 18px}
.news-card{background:var(--surface);border:1.5px solid var(--line);border-left:6px solid var(--c-write-fg);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}
.news-src{font-size:.8em;color:var(--muted);margin-bottom:6px}
.news-body{line-height:1.55}
.small-btn{min-height:52px;margin:10px 0 0;font-size:.95em}
.composer{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;margin-top:10px;position:sticky;bottom:calc(var(--tap) + 12px + env(safe-area-inset-bottom));background:var(--bg);padding-top:8px}
.composer textarea{width:100%;font:inherit;font-size:1em;padding:14px 16px;border:2px solid var(--line-strong);border-radius:18px;background:var(--surface);color:var(--fg);min-height:var(--tap);resize:none}
.composer .btn{width:auto;margin:0;min-width:120px}
.nav-badge{position:absolute;top:6px;right:18%;background:var(--sos);color:var(--sos-fg);font-size:.72em;min-width:22px;height:22px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;font-weight:700}
.nav-badge[hidden]{display:none}
.bottombar{grid-template-columns:1fr 1fr 1fr 1fr}
.bottombar a{position:relative}
.me-card{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:18px;background:var(--surface);border:1.5px solid var(--line);margin:10px 0}
.me-card .avatar{width:56px;height:56px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:1.3em;flex:none}

/* ---------- anti-scam moderation ---------- */
.safety-banner{background:var(--warn-soft);border:1.5px solid var(--warn);color:var(--fg);border-radius:14px;padding:10px 14px;font-size:.88em;line-height:1.45;margin:8px 0}
.risk-warn{background:var(--sos-soft);border:1.5px solid var(--sos);border-radius:12px;padding:8px 12px;margin:4px 0 6px;font-size:.85em;font-weight:700;color:var(--fg);max-width:100%}
.risk-warn .small{font-weight:400;color:var(--muted)}
.msg-actions{display:flex;gap:14px;margin:4px 6px 0;justify-content:flex-start}
.msg.mine .msg-actions{justify-content:flex-end}
.link-btn{background:none;border:0;padding:8px 4px;min-height:40px;color:var(--muted);font:inherit;font-size:.8em;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link-btn:hover{color:var(--sos)}
.tag{display:inline-block;font-size:.85em;padding:1px 8px;border-radius:999px;background:var(--surface-2);color:var(--fg);font-weight:700;margin-left:4px}
.tag.warn{background:var(--warn-soft);color:var(--warn)}
.tag.sos{background:var(--sos-soft);color:var(--sos)}
.msg.pending .bubble{opacity:.7;border-style:dashed}
.msg.held .bubble{border-color:var(--warn);border-style:dashed}
.mod-card{background:var(--surface);border:1.5px solid var(--line);border-radius:18px;padding:14px;margin:12px 0;box-shadow:var(--shadow)}
.mod-card .bubble{display:block;background:var(--surface-2);border-radius:12px;padding:10px 12px;margin:8px 0;word-break:break-word}
.mod-card .btn{min-height:56px;font-size:.95em;margin:8px 0 0}
.danger-text{color:var(--sos)!important;border-color:var(--sos)!important}
.link-row{display:flex;flex-wrap:wrap;gap:8px;font-size:.9em;margin:10px 0}
.link-row a{min-height:44px;display:inline-flex;align-items:center}
.danger,.btn.danger,.row.danger{background:var(--sos)!important;color:var(--sos-fg)!important;border-color:var(--sos)!important}

/* ---------- misc ---------- */
.toast{position:fixed;left:50%;bottom:calc(var(--tap) + 28px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--fg);color:var(--bg);
  padding:16px 22px;border-radius:16px;font-weight:700;z-index:50;max-width:92vw;text-align:center;box-shadow:var(--shadow-lg)}
.toast[hidden]{display:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.num{display:inline-flex;align-items:center;justify-content:center;width:1.9em;height:1.9em;border-radius:50%;background:var(--primary);color:var(--primary-fg);font-weight:700;margin-right:10px;flex:none}
ol.steps{padding-left:0;list-style:none;margin:8px 0}
ol.steps li{display:flex;gap:6px;align-items:flex-start;margin:12px 0}
.lang-pick .row .ico{font-family:var(--font-latin);font-weight:700;font-size:1.1em}
.theme-pick{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.theme-pick .chip{min-height:64px;display:flex;align-items:center;justify-content:center;gap:8px}
.footer-note{margin-top:28px;text-align:center;color:var(--muted);font-size:.8em;font-family:var(--font-latin);letter-spacing:.08em}