.secchat{--bg:#eef1f4;--panel:#fff;--ink:#16212c;--mute:#66727f;--line:#d5dce3;--mine:#1d3b57;--mine-ink:#fff;--other:#e3e8ed;--sig:#c77d00;--sig-bg:#fff3d9;--bad:#b3261e;--ok:#1b7a3d;
	max-width:640px;margin:1.5rem auto;color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI","Noto Sans Thai",sans-serif;box-sizing:border-box}
.secchat *{box-sizing:border-box}
@media (prefers-color-scheme:dark){.secchat{--bg:#121920;--panel:#1a232c;--ink:#e6ecf1;--mute:#93a1ae;--line:#2c3945;--mine:#3d6f9c;--other:#26323d;--sig:#f0b24a;--sig-bg:#3a2d12;--bad:#ff8a80;--ok:#6fd195}}
.sc-card,.sc-chat{background:var(--panel);border:1px solid var(--line);border-radius:12px}
.sc-card{padding:1.75rem;display:grid;gap:.75rem;justify-items:start}
.sc-card h3{margin:0;font-size:1.35rem}
.sc-card p{margin:0}
.sc-note{color:var(--mute);font-size:.9rem;max-width:46ch}
.sc-warn{color:var(--bad);font-weight:600}
.sc-btn{appearance:none;border:0;background:var(--mine);color:#fff;padding:.6rem 1.1rem;border-radius:8px;font:inherit;font-weight:600;cursor:pointer}
.sc-btn.sm{padding:.3rem .75rem;font-size:.875rem}
.sc-btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.sc-btn:hover{filter:brightness(1.12)}
.sc-btn:focus-visible,.sc-icon:focus-visible,.sc-input:focus-visible,.sc-emoji button:focus-visible,.sc-link:focus-visible{outline:2px solid var(--sig);outline-offset:2px}
.sc-chat{display:flex;flex-direction:column;height:min(78vh,640px);overflow:hidden}
.sc-head{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.6rem .9rem;border-bottom:1px solid var(--line)}
.sc-head>div:first-child{display:grid}
.sc-status{font-weight:600;font-size:.95rem}
.sc-fp{font-size:.75rem;color:var(--mute)}
.sc-right{display:flex;align-items:center;gap:.5rem}
.sc-timer{font-variant-numeric:tabular-nums;font-weight:700;color:var(--sig);background:var(--sig-bg);padding:.2rem .6rem;border-radius:999px;font-size:.9rem}
.sc-timer.low{color:var(--bad);animation:scp 1s steps(2) infinite}
@media (prefers-reduced-motion:reduce){.sc-timer.low{animation:none}}
@keyframes scp{50%{opacity:.45}}
.sc-invite{padding:.6rem .9rem;border-bottom:1px solid var(--line);background:var(--bg);font-size:.875rem;display:grid;gap:.35rem}
.sc-row{display:flex;gap:.5rem}
.sc-link{flex:1;min-width:0;padding:.35rem .6rem;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);font:inherit;font-size:.8rem}
.sc-list{flex:1;overflow-y:auto;padding:.9rem;display:flex;flex-direction:column;gap:.55rem;background:var(--bg)}
.sc-msg{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"av body" ". meta";gap:0 .5rem;max-width:85%;align-items:end}
.sc-msg.mine{align-self:flex-end}
.sc-av{grid-area:av;font-size:1.25rem}
.sc-body{grid-area:body;padding:.5rem .75rem;border-radius:14px;background:var(--other);overflow-wrap:anywhere;white-space:pre-wrap}
.sc-msg.mine .sc-body{background:var(--mine);color:var(--mine-ink)}
.sc-msg.mine .sc-body a{color:#cfe6ff}
.sc-body a{color:inherit;text-decoration:underline}
.sc-body img{display:block;max-width:100%;max-height:320px;border-radius:8px}
.sc-meta{grid-area:meta;display:flex;gap:.5rem;font-size:.7rem;color:var(--mute)}
.sc-msg.mine .sc-meta{justify-content:flex-end}
.sc-tick.read{color:var(--ok);font-weight:600}
.sc-toast{align-self:center;background:var(--ink);color:var(--panel);padding:.25rem .8rem;border-radius:999px;font-size:.8rem}
.sc-emoji{display:flex;flex-wrap:wrap;gap:.15rem;padding:.4rem .6rem;border-top:1px solid var(--line);background:var(--panel)}
.sc-emoji[hidden]{display:none}
.sc-emoji button{appearance:none;border:0;background:none;font-size:1.4rem;cursor:pointer;border-radius:6px;padding:.1rem .25rem}
.sc-emoji button:hover{background:var(--other)}
.sc-compose{display:flex;gap:.4rem;padding:.6rem;border-top:1px solid var(--line);align-items:flex-end}
.sc-icon{appearance:none;border:0;background:none;font-size:1.4rem;cursor:pointer;padding:.25rem}
.sc-input{flex:1;resize:none;max-height:7rem;padding:.55rem .7rem;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);font:inherit}
.sc-prefs{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;padding:.55rem .9rem;border-bottom:1px solid var(--line);background:var(--bg);font-size:.875rem}
.sc-prefs[hidden]{display:none}
.sc-prefs .sc-note{flex-basis:100%;margin:0;font-size:.75rem}
.sc-pref{display:flex;gap:.35rem;align-items:center;cursor:pointer}
.sc-zoom{cursor:zoom-in}
.sc-zoom:focus-visible{outline:2px solid var(--sig);outline-offset:2px}
.sc-pop{position:fixed;right:1rem;bottom:1rem;z-index:99998;background:#16212c;color:#fff;padding:.7rem 1rem;border-radius:10px;box-shadow:0 6px 24px rgba(0,0,0,.35);font:600 15px/1.4 system-ui,-apple-system,"Segoe UI","Noto Sans Thai",sans-serif;cursor:pointer;border-left:4px solid #f0b24a}
.sc-lb{position:fixed;inset:0;z-index:99999;display:flex;overflow:auto;background:rgba(8,12,16,.93);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans Thai",sans-serif}
.sc-lb img{margin:auto;display:block;cursor:zoom-out;flex:none}
.sc-lb img.fit{max-width:94vw;max-height:88vh;object-fit:contain;cursor:zoom-in}
.sc-lb-x{position:fixed;top:.8rem;right:.8rem;z-index:2;appearance:none;border:0;border-radius:999px;width:2.5rem;height:2.5rem;background:#fff;color:#16212c;font-size:1.1rem;font-weight:700;cursor:pointer}
.sc-lb-x:focus-visible{outline:3px solid #f0b24a;outline-offset:2px}
.sc-lb-hint{position:fixed;left:0;right:0;bottom:.7rem;text-align:center;color:#c9d3dc;font-size:.8rem;pointer-events:none}
.sc-lang{align-self:flex-end;justify-self:end;padding:.25rem .5rem;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);font:inherit;font-size:.85rem}
.sc-card{width:100%}
.sc-levels{display:grid;gap:.5rem;width:100%}
.sc-lv{display:flex;gap:.65rem;align-items:flex-start;padding:.65rem .8rem;border:1px solid var(--line);border-radius:10px;cursor:pointer;background:var(--bg)}
.sc-lv:has(input:checked){border-color:var(--mine);box-shadow:inset 0 0 0 1px var(--mine)}
.sc-lv input{margin-top:.3rem}
.sc-lv span{display:grid;gap:.1rem}
.sc-lv small{color:var(--mute);font-size:.8rem;line-height:1.4}
.sc-field{display:grid;gap:.3rem;width:100%;font-size:.9rem}
.sc-field small{color:var(--mute);font-size:.78rem}
.sc-pass{padding:.55rem .7rem;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);font:inherit}
.sc-lvbadge{font-weight:600}
.sc-warn:empty{display:none}
.sc-chat{position:relative}
.sc-chat.veiled .sc-list{filter:blur(14px);pointer-events:none;user-select:none}
.sc-chat.veiled::after{content:attr(data-veil);position:absolute;inset:3.5rem 1rem 4rem;display:grid;place-items:center;text-align:center;font-weight:600;color:var(--ink);pointer-events:none}
.sc-invite[hidden],.sc-banner[hidden],.sc-warnbar[hidden],.sc-qr[hidden]{display:none}
.sc-sronly{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sc-banner{padding:.4rem .9rem;background:var(--sig-bg);color:var(--sig);font-size:.85rem;font-weight:600;text-align:center}
.sc-warnbar{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.5rem .9rem;background:var(--sig-bg);color:var(--ink);border-top:1px solid var(--sig);font-size:.9rem;font-weight:600}
.sc-sys{align-self:center;max-width:90%;text-align:center;font-size:.8rem;color:var(--mute);background:var(--other);padding:.15rem .75rem;border-radius:999px}
.sc-msg.failed .sc-body{background:transparent;border:1px dashed var(--bad);color:var(--ink)}
.sc-fail{color:var(--bad);font-weight:600}
.sc-linkbtn{appearance:none;border:0;background:none;color:var(--ink);text-decoration:underline;font:inherit;font-size:.75rem;cursor:pointer;padding:0}
.sc-linkbtn:focus-visible{outline:2px solid var(--sig);outline-offset:2px}
.sc-qr{display:grid;justify-items:start;gap:.3rem}
.sc-qr svg{width:min(210px,60vw);height:auto;border-radius:6px}
.sc-invite .sc-link{width:100%}
.sc-invite .sc-row{flex-wrap:wrap}
@media (max-width:480px){.sc-btn.sm,.sc-icon{min-height:44px;min-width:44px}.sc-fp.sc-bad{color:var(--bad);font-weight:600}
}
html.sc-lock,html.sc-lock body{overflow:hidden!important;overscroll-behavior:none}
.secchat.sc-full{position:fixed;left:0;right:0;top:0;bottom:0;z-index:99990;margin:0;max-width:none;width:100%;height:100dvh;background:var(--bg);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
.secchat.sc-full .sc-chat{height:100%;border:0;border-radius:0}
.sc-timer{white-space:nowrap}
.sc-head>div:first-child{min-width:0}
.sc-status{font-size:.9rem;line-height:1.3}
@media (max-width:480px){.sc-head{padding:.5rem .7rem}.sc-timer{font-size:.8rem;padding:.2rem .5rem}.sc-right{gap:.35rem}}
.sc-field[hidden],.sc-timer[hidden]{display:none}
.sc-timersel{padding:.5rem .7rem;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);font:inherit}

/* Burn After Read */
.sc-burnbadge{color:#e8590c;font-weight:600}
.sc-msg.burnwait .sc-body{animation:scember 1.4s ease-in-out infinite}
@keyframes scember{50%{box-shadow:0 0 0 2px rgba(232,89,12,.55),0 0 14px rgba(232,89,12,.35)}}
.sc-msg.burning .sc-body{box-shadow:0 0 0 2px rgba(232,89,12,.7),0 0 16px rgba(232,89,12,.45)}
.sc-ch{display:inline}
.sc-ch.hot{color:#ff7a1a!important;text-shadow:0 0 6px rgba(255,122,26,.9)}
.sc-msg.burnout{opacity:0;transform:scale(.96);transition:opacity .4s,transform .4s}
@media (prefers-reduced-motion:reduce){.sc-msg.burnwait .sc-body{animation:none}.sc-msg.burnout{transition:none}}

/* ล็อบบี้ใหม่: แท็บระดับ / ตัวเลือก / วิธีเชิญ / รหัสผ่าน (สีตัวอักษรกำหนดชัดเจน ไม่พึ่ง theme) */
.secchat{--acc:var(--mine);--acc-ink:#fff}
.secchat label,.secchat .sc-field>span{color:var(--ink)}
.sc-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;width:100%}
.sc-tab{position:relative;display:grid;gap:.1rem;align-content:start;padding:.6rem .7rem;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);cursor:pointer;text-align:left}
.sc-tab input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.sc-tab b{color:var(--ink);font-size:.95rem}
.sc-tab small{color:var(--mute);font-size:.75rem;line-height:1.3}
.sc-tab .sc-mt{display:flex;gap:3px;margin-top:.35rem}
.sc-tab .sc-mt i{flex:1;height:4px;border-radius:9px;background:var(--line)}
.sc-tab .sc-mt i.on{background:var(--acc)}
.sc-tab:has(input:checked){border-color:var(--acc);background:var(--other);box-shadow:0 0 0 1px var(--acc),0 0 16px rgba(34,211,238,.15)}
.sc-tab:has(input:focus-visible){outline:3px solid var(--acc);outline-offset:2px}
.sc-lvdesc{color:var(--mute);font-size:.88rem;margin:.1rem 0 .2rem;min-height:2.6em}
.sc-opts{display:grid;gap:.6rem;width:100%;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));align-items:start}
.sc-toggle{display:flex;gap:.6rem;align-items:flex-start;padding:.55rem .75rem;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);cursor:pointer}
.sc-toggle b{display:block;color:var(--ink);font-size:.95rem}
.sc-toggle small{color:var(--mute);font-size:.78rem;line-height:1.35}
.sc-toggle input{margin-top:.25rem;accent-color:#ff7a1a}
.sc-toggle:has(input:checked){border-color:#ff7a1a;background:rgba(255,122,26,.1);box-shadow:0 0 0 1px rgba(255,122,26,.5)}
.sc-invsel{display:grid;gap:.35rem;width:100%}
.sc-invlbl{font-size:.9rem;font-weight:600;color:var(--ink)}
.sc-seg{display:inline-grid;grid-auto-flow:column;gap:2px;padding:2px;border:1px solid var(--line);border-radius:10px;background:var(--bg);justify-self:start}
.sc-seg button{appearance:none;border:0;background:transparent;color:var(--mute);padding:.4rem 1rem;border-radius:8px;font:inherit;font-size:.88rem;font-weight:700;cursor:pointer;min-height:36px}
.sc-seg button[aria-pressed="true"]{background:var(--acc);color:var(--acc-ink)}
.sc-seghint{color:var(--mute);font-size:.8rem;line-height:1.4}
.sc-passrow{display:flex;flex-wrap:wrap;gap:.4rem;width:100%}
.sc-passrow .sc-pass{flex:1 1 180px;min-width:0}
.sc-passrow .sc-btn{white-space:nowrap}
.sc-mono{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.06em}
.sc-codein{text-transform:uppercase;font-size:1.05rem}
.sc-codebox{font-size:1.15rem;font-weight:700;text-align:center}
.sc-actions{align-items:center;gap:.8rem;flex-wrap:wrap}
.sc-linkbtn{appearance:none;border:0;background:transparent;color:var(--acc);font:inherit;font-weight:600;text-decoration:underline;cursor:pointer;padding:.4rem .2rem}
html.sc-probing .secchat{visibility:hidden}

/* ============ ธีมสี (dark / light) + หน้าแชตตามแบบใหม่ ============
   ใช้ .secchat.secchat[data-theme] (ความเฉพาะเจาะจงสูงกว่า) เพื่อให้ธีมที่ผู้ใช้เลือกชนะค่าเริ่มต้นเสมอ แม้ฝังในหน้าอื่น */
.secchat.secchat[data-theme="dark"]{--bg:#07111d;--panel:#0b1a2b;--raise:#112640;--ink:#e4f0f8;--mute:#8fa9bd;--line:#1c3550;--line2:#2a4d6e;--mine:#22d3ee;--mine-ink:#03121f;--mine-bg:linear-gradient(135deg,#22d3ee,#0ea5e9);--other:#16304b;--sig:#f0b24a;--sig-bg:rgba(240,178,74,.12);--bad:#ff8a80;--ok:#34d399;--acc:#22d3ee;--acc-ink:#03121f;--burn:#ff7a1a;--burn-ink:#ffb27a;--burn-bg:rgba(255,122,26,.1);--glow:rgba(34,211,238,.3);--ring:rgba(34,211,238,.09);--shadow:0 16px 40px rgba(0,0,0,.45);--list-bg:radial-gradient(90% 30% at 85% 0%,rgba(34,211,238,.1),transparent 70%),#07111d;color-scheme:dark}
.secchat.secchat[data-theme="light"]{--bg:#eef3f7;--panel:#fff;--raise:#f6f9fb;--ink:#10202d;--mute:#566574;--line:#d3dde6;--line2:#b6c6d3;--mine:#0b6e99;--mine-ink:#fff;--mine-bg:linear-gradient(135deg,#0e7fb0,#0b5f87);--other:#e4ebf1;--sig:#8a5600;--sig-bg:#fff3d9;--bad:#b3261e;--ok:#13703a;--acc:#0b6e99;--acc-ink:#fff;--burn:#d9480f;--burn-ink:#9a3412;--burn-bg:rgba(217,72,15,.08);--glow:rgba(11,110,153,.25);--ring:rgba(11,110,153,.09);--shadow:0 10px 30px rgba(16,32,45,.12);--list-bg:#eef3f7;color-scheme:light}

.sc-i{display:inline-flex;align-items:center;justify-content:center;flex:none}
.sc-i svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.secchat .sc-btn{background:var(--acc);color:var(--acc-ink)}
.secchat .sc-btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line2)}
.secchat .sc-btn:disabled,.sc-compose [disabled]{opacity:.5;cursor:not-allowed}
.secchat.secchat[data-theme] .sc-card,.secchat .sc-chat{background:var(--panel);border:1px solid var(--line2);border-radius:18px;box-shadow:var(--shadow)}
.secchat.secchat[data-theme] .sc-card{padding:1.4rem}
.sc-h{display:flex;align-items:center;gap:.5rem}
.sc-h .sc-i{color:var(--acc)}
.sc-bb{display:flex;align-items:center;gap:.35rem}
.sc-bb .sc-i{color:var(--burn)}
.sc-lvbadge{display:flex;align-items:center;gap:.4rem}
.sc-lvbadge .sc-i{color:var(--acc)}
.sc-pass,.sc-timersel,.sc-link{background:var(--bg);color:var(--ink);border-color:var(--line2)}
.sc-tab:has(input:checked){box-shadow:0 0 0 1px var(--acc),0 0 16px var(--glow)}

/* แถบเครื่องมือ: ธงชาติ + ธีม */
.sc-tools{display:flex;align-items:center;justify-content:space-between;gap:.5rem;flex-wrap:nowrap;width:100%}
.sc-flags{display:flex;align-items:center;gap:.35rem;min-width:0}
.sc-flag{appearance:none;padding:0;flex:none;width:32px;height:24px;border-radius:7px;border:2px solid transparent;background:none;cursor:pointer;overflow:hidden;opacity:.6;line-height:0;transition:opacity .15s}
.sc-flag:hover{opacity:.9}
.sc-flag svg{width:100%;height:100%;display:block;border-radius:4px}
.sc-flag[aria-pressed="true"]{opacity:1;border-color:var(--acc);box-shadow:0 0 0 3px var(--ring)}
.sc-flag:focus-visible,.sc-mode:focus-visible,.sc-ib:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.sc-pref-themes{display:flex;align-items:center;gap:.7rem;flex-basis:100%;font-size:.875rem}
/* ส่วนหัวแชต */
.secchat .sc-head{justify-content:flex-start;gap:.6rem;padding:.7rem .9rem}
.sc-tile{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;color:var(--acc);background:var(--bg);border:1px solid var(--acc);box-shadow:0 0 14px var(--glow)}
.sc-headtxt{flex:1;min-width:0;display:grid}
.sc-title{font-weight:700;font-size:1rem;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sc-stline{display:flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--mute);min-width:0}
.sc-stline .sc-status{font-weight:500;font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sc-dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--mute)}
.sc-dot.on{background:var(--ok);box-shadow:0 0 8px var(--ok)}
.sc-dot.away{background:var(--sig)}
.sc-dot.wait{background:var(--sig);animation:scp 1.4s ease-in-out infinite}
@media (prefers-reduced-motion:reduce){.sc-dot.wait{animation:none}}
.secchat .sc-timer{display:inline-flex;align-items:center;gap:.35rem;font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:700;color:var(--sig);background:var(--sig-bg);border:1px solid var(--line);padding:.3rem .65rem;border-radius:999px;font-size:.85rem}
.secchat .sc-timer.low{color:var(--bad)}
.sc-ib{width:40px;height:40px;flex:none;border-radius:12px;border:1px solid var(--line2);background:var(--bg);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0}
.sc-ib:hover{border-color:var(--acc)}
@media (max-width:480px){.sc-ib{width:44px;height:44px}}
@media (max-width:420px){.sc-tile{display:none}}
.sc-strip{display:flex;flex-wrap:wrap;gap:.4rem;padding:.45rem .9rem;border-bottom:1px solid var(--line);background:var(--bg)}
.sc-chip{display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .65rem;border-radius:999px;font-size:.76rem;font-weight:600;border:1px solid var(--line2);background:var(--panel);color:var(--ink)}
.sc-chip .sc-i{color:var(--acc)}
.sc-chip .sc-fp{color:inherit;font-size:inherit}
.sc-chip .sc-fp.sc-bad{color:var(--bad)}
.sc-chip.burn{color:var(--burn-ink);border-color:var(--burn);background:var(--burn-bg)}
.sc-chip.burn .sc-i{color:var(--burn)}

/* หน้ารอเพื่อนเข้าห้อง */
.sc-wait{flex:1;overflow-y:auto;padding:1.2rem 1rem;display:flex;flex-direction:column;align-items:center;gap:.7rem;text-align:center;background:var(--list-bg)}
.sc-wait[hidden],.sc-list[hidden],.sc-ipanel[hidden]{display:none}
.sc-pulse{width:76px;height:76px;flex:none;border-radius:50%;display:grid;place-items:center;color:var(--acc);border:1px solid var(--acc);background:var(--panel);box-shadow:0 0 0 10px var(--ring),0 0 0 22px transparent;animation:scring 2.4s ease-in-out infinite}
@keyframes scring{50%{box-shadow:0 0 0 12px var(--ring),0 0 0 26px var(--ring)}}
@media (prefers-reduced-motion:reduce){.sc-pulse{animation:none}}
.sc-wait h2{margin:.2rem 0 0;font-size:1.3rem}
.sc-wait .sc-invite{width:100%;text-align:left;background:linear-gradient(180deg,var(--raise),var(--panel));border:1px solid var(--line2);border-radius:16px;padding:.8rem;box-shadow:var(--shadow);gap:.6rem}
.sc-invite .sc-seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;justify-self:stretch}
.sc-ipanel{display:grid;gap:.6rem}
.sc-invite .sc-codebox{font-size:1.2rem;padding:.8rem .5rem;border:1px dashed var(--acc);color:var(--acc);background:var(--bg)}
.sc-big{width:100%;min-height:48px;display:flex;gap:.5rem;align-items:center;justify-content:center;font-size:1rem}
.sc-steps{list-style:none;margin:.2rem 0 0;padding:0;display:grid;gap:.55rem;width:100%;text-align:left;font-size:.88rem;color:var(--mute)}
.sc-steps li{display:flex;gap:.6rem;align-items:center}
.sc-n{width:24px;height:24px;flex:none;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.75rem;border:1px solid var(--acc);color:var(--acc)}

/* ข้อความ */
.secchat .sc-list{background:var(--list-bg);padding:1rem;gap:.8rem}
.sc-av{display:none}
.secchat .sc-msg{grid-template-columns:1fr;grid-template-areas:"body" "meta";max-width:82%}
.secchat .sc-body{background:var(--other);border:1px solid var(--line2);border-radius:16px 16px 16px 5px;padding:.55rem .85rem}
.secchat .sc-msg.mine .sc-body{background:var(--mine-bg);color:var(--mine-ink);border-color:transparent;border-radius:16px 16px 5px 16px;font-weight:500}
.secchat .sc-msg.mine .sc-body a{color:inherit}
.secchat .sc-sys{background:var(--panel);border:1px solid var(--line2);color:var(--mute)}
.secchat .sc-toast{background:var(--ink);color:var(--bg)}
.sc-burnbadge{display:inline-flex;align-items:center;gap:.25rem;color:var(--burn-ink)}
.secchat .sc-msg.burning .sc-body{background:var(--burn-bg);border-color:var(--burn)}

/* ช่องพิมพ์ */
.secchat .sc-compose{align-items:center;gap:.5rem;padding:.6rem .8rem;background:var(--panel)}
.secchat .sc-icon{width:44px;height:44px;flex:none;border-radius:12px;border:1px solid var(--line2);background:var(--bg);color:var(--ink);display:grid;place-items:center;padding:0;font-size:1rem}
.secchat .sc-input{border-radius:22px;border:1px solid var(--line2);background:var(--bg);padding:.65rem 1rem;min-height:44px}
.sc-send{appearance:none;border:0;width:44px;height:44px;flex:none;border-radius:50%;display:grid;place-items:center;padding:0;cursor:pointer;background:var(--acc);color:var(--acc-ink);box-shadow:0 0 16px var(--glow)}
.sc-foot{margin:0;text-align:center;font-size:.75rem;color:var(--mute);padding:0 .8rem .6rem;background:var(--panel)}
.secchat .sc-emoji,.secchat .sc-prefs{background:var(--panel)}
.secchat .sc-prefs{border-bottom:1px solid var(--line)}

/* ปรับตามภาพจากมือถือ: สวิตช์โหมดเดียว / วิธีเชิญเต็มแถว 50:50 / ปุ่มรหัสผ่านเป็นไอคอนบรรทัดเดียว / กันธีมเว็บบังคับสีและตัวพิมพ์ใหญ่ */
.sc-mode{position:relative;flex:none;display:grid;grid-template-columns:1fr 1fr;width:68px;height:34px;padding:3px;border-radius:999px;border:1px solid var(--line2);background:var(--bg);cursor:pointer}
.sc-mode-ic{position:relative;z-index:1;display:grid;place-items:center;color:var(--mute);transition:color .2s}
.sc-mode-th{position:absolute;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:999px;background:var(--acc);box-shadow:0 0 10px var(--glow);transition:transform .2s}
.sc-mode[aria-checked="true"] .sc-mode-th{transform:translateX(100%)}
.sc-mode[aria-checked="false"] .sc-mode-ic:first-of-type,.sc-mode[aria-checked="true"] .sc-mode-ic:nth-of-type(2){color:var(--acc-ink)}
@media (prefers-reduced-motion:reduce){.sc-mode-th,.sc-mode-ic{transition:none}}
.sc-invsel .sc-seg{display:grid;grid-template-columns:1fr 1fr;justify-self:stretch;width:100%}
.sc-seg button{text-align:center}
.sc-passrow{flex-wrap:nowrap;align-items:center}
.sc-passrow .sc-pass{flex:1 1 auto;min-width:0}
.sc-ibtn{width:44px;height:44px;flex:none;padding:0;display:grid;place-items:center}
.secchat button{text-transform:none;letter-spacing:normal;font-family:inherit}
.secchat input:not(.sc-mono),.secchat select,.secchat textarea{font-family:inherit;text-transform:none}
.secchat input.sc-pass,.secchat select.sc-timersel,.secchat input.sc-link,.secchat textarea.sc-input{background:var(--bg);color:var(--ink);border:1px solid var(--line2)}
.secchat :is(h2,h3){color:var(--ink)}

.sc-tools .sc-mode{margin-left:auto}

/* ฝากข้อความ (Drop) */
.sc-modeseg{display:grid;grid-template-columns:1fr 1fr;justify-self:stretch;width:100%}
.sc-dropin{width:100%;box-sizing:border-box;resize:none;padding:.65rem .8rem;border:1px solid var(--line2,var(--line));border-radius:12px;background:var(--bg);color:var(--ink);font:inherit;font-size:1rem}
.sc-dropcnt{justify-self:end;color:var(--mute);font-size:.78rem}
.sc-dropmsg{width:100%;box-sizing:border-box;padding:.9rem 1rem;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font-size:1.1rem;white-space:pre-wrap;word-break:break-all;user-select:all}
.sc-dropmsg.burnwait{animation:scember 1.4s ease-in-out infinite}
.sc-dropmsg.burning{box-shadow:0 0 0 2px rgba(232,89,12,.7),0 0 16px rgba(232,89,12,.45)}
.sc-dropmsg.burnout{opacity:0;transform:scale(.96);transition:opacity .4s,transform .4s}
.sc-dropcd{margin:0;color:#e8590c;font-weight:700;text-align:center}
@media (prefers-reduced-motion:reduce){.sc-dropmsg.burnwait{animation:none}.sc-dropmsg.burnout{transition:none}}
.sc-dropst{margin:0;width:100%;box-sizing:border-box;text-align:center;font-weight:700;padding:.65rem .8rem;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--mute)}
.sc-dropst.read{color:#2f9e44;border-color:#2f9e44}
.sc-dropst.waiting{color:var(--ink)}
.sc-stage{position:relative;display:grid;gap:.7rem;width:100%}
.sc-flame{position:absolute;z-index:2;width:1.5rem;height:2rem;pointer-events:none;transform-origin:50% 100%;animation:scflick .16s ease-in-out infinite alternate;filter:drop-shadow(0 0 8px rgba(255,122,26,.9)) drop-shadow(0 0 16px rgba(255,212,59,.5));transition:left .07s linear,top .07s linear}
.sc-flame.dying{opacity:0;transition:opacity .5s!important}
@keyframes scflick{from{transform:scale(1,1) rotate(-4deg)}to{transform:scale(.9,1.14) rotate(4deg)}}
.sc-dropmsg .sc-ch{display:inline-block;white-space:pre}
.sc-dropmsg .sc-ch.ign{color:#ff7a1a!important;text-shadow:0 0 8px #ff7a1a,0 0 16px #ffd43b}
.sc-dropmsg .sc-ch.ash{color:#2b2118!important;text-shadow:none}
.sc-dropmsg .sc-ch.gone{opacity:0;transform:translateY(-12px) rotate(var(--r,6deg));transition:opacity .6s,transform .6s}
.sc-ember{position:absolute;z-index:1;width:4px;height:4px;border-radius:50%;background:#ffb43a;box-shadow:0 0 6px #ff7a1a;pointer-events:none;animation:scrise .9s ease-out forwards}
@keyframes scrise{to{transform:translate(var(--dx,0),-48px);opacity:0}}
.sc-pbox{display:grid;gap:.5rem;width:100%}
@media (prefers-reduced-motion:reduce){.sc-flame,.sc-stage.lit .sc-mflame{animation:none}}

/* นับถอยหลังแบบแถบ + กระพริบถี่ขึ้นเมื่อเวลาเหลือน้อย (--blink ถูกตั้งจาก JS) */
.sc-cdbar{width:100%;height:10px;border-radius:99px;background:rgba(127,127,127,.28);overflow:hidden}
.sc-cdbar.done{visibility:hidden}
.sc-cdfill{height:100%;width:100%;border-radius:99px;background:#2f9e44;animation:scblink var(--blink,1.4s) ease-in-out infinite alternate}
.sc-dropcd{animation:scblink var(--blink,1.4s) ease-in-out infinite alternate}
.sc-dropmsg.burnwait{animation:scglow var(--blink,1.4s) ease-in-out infinite alternate}
@keyframes scblink{from{opacity:1}to{opacity:.35}}
@keyframes scglow{from{box-shadow:0 0 0 1px rgba(232,89,12,.25)}to{box-shadow:0 0 16px 2px rgba(232,89,12,.85)}}
.sc-dropact{display:flex;gap:.6rem;width:100%;flex-wrap:wrap}
.sc-dropact .sc-big{flex:1 1 55%;width:auto}
.sc-dropact .sc-burnnow{flex:1 1 35%;border-color:#e8590c!important;color:#e8590c!important}
.sc-dropact .sc-burnnow:disabled{opacity:.5}
/* ไฟลามแล้วตัวอักษรฟุ้งกระจายหายไปเป็นควัน */
.sc-flame.born{animation:scflick .16s ease-in-out infinite alternate,scignite .35s ease-out}
@keyframes scignite{from{transform:scale(.2);opacity:0}to{transform:scale(1);opacity:1}}
.sc-dropmsg .sc-ch.gone{opacity:0;filter:blur(7px);color:#ff7a1a;transform:translate(var(--dx,0),-20px) scale(1.5) rotate(var(--r,6deg));transition:opacity .9s ease-out,filter .9s ease-out,transform .9s ease-out}
/* สถานะปุ่มคัดลอกเมื่อสำเร็จ */
.sc-btn.sc-ok,.sc-btn.ghost.sc-ok{background:#2f9e44!important;border-color:#2f9e44!important;color:#fff!important}
.sc-btn.sc-ok svg{stroke:#fff}
@media (prefers-reduced-motion:reduce){.sc-cdfill,.sc-dropcd,.sc-dropmsg.burnwait{animation:none}.sc-dropmsg .sc-ch.gone{transition:opacity .3s}}

/* ===== โหมดเต็มหน้าจอ: พื้นทั้งหน้าสีเดียว กล่องอยู่กลางจอ (มือถือ/เดสก์ท็อป) ===== */
html.sc-page,html.sc-page body{background:var(--sc-page-bg,#07111d)!important;min-height:100%;margin:0}
html.sc-page .secchat:not(.sc-full){position:fixed;top:0;right:0;bottom:0;left:0;width:100%;max-width:none;margin:0;display:flex;z-index:99980;overflow:auto;background:var(--bg);padding:max(1rem,env(safe-area-inset-top)) max(1rem,env(safe-area-inset-right)) max(1rem,env(safe-area-inset-bottom)) max(1rem,env(safe-area-inset-left))}
html.sc-page .secchat:not(.sc-full)>.sc-card{max-width:560px;margin:auto}
html.sc-page .secchat:not(.sc-full)>.sc-chat{width:100%;max-width:640px;margin:auto}

/* ===== ระบบปุ่ม: หลัก (ทึบ) / รอง (กรอบสี) / เบา (ghost) / อันตราย (แดง) ===== */
.sc-btn.sc-md{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-size:1rem}
.secchat .sc-btn.sc-sec{background:transparent;color:var(--acc);border:1.5px solid var(--acc)}
.secchat .sc-btn.sc-danger{background:transparent;color:var(--bad);border:1.5px solid var(--bad)}
.secchat .sc-btn.sc-danger.solid{background:#d92d20;color:#fff;border-color:#d92d20}
.sc-actrow{display:flex;gap:.5rem;width:100%;align-items:stretch}
.sc-actrow>.sc-grow{flex:1 1 0;min-width:0}
.sc-actrow>.sc-btn{white-space:nowrap}
.sc-panel{width:100%;display:grid;gap:.6rem;padding:.85rem;border:1px solid var(--line2);border-radius:14px;background:var(--raise,var(--bg))}
.sc-panel .sc-btn{width:100%}
.sc-ptitle{display:flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:700;color:var(--mute)}
.sc-danger-zone{width:100%;display:grid;gap:.6rem;margin-top:.4rem;padding-top:.9rem;border-top:1px dashed var(--line2)}
.sc-danger-zone>.sc-btn{width:100%}
.sc-danger-zone .sc-warnline{color:var(--bad);display:block;max-width:none}
.sc-card .sc-link{width:100%}

/* ===== หน้าสร้างเสร็จ/สถานะแบบเรียบง่าย: ป้ายสถานะ + timeline + ปุ่มเผา ===== */
.sc-headrow{display:flex;align-items:center;justify-content:space-between;gap:.6rem;width:100%}
.sc-headrow .sc-h{margin:0}
.sc-badge{display:inline-flex;align-items:center;white-space:nowrap;padding:.2rem .7rem;border-radius:99px;font-size:.8rem;font-weight:700;border:1px solid var(--line2);color:var(--mute)}
.sc-badge.waiting{color:var(--acc);border-color:var(--acc)}
.sc-badge.read{color:#2f9e44;border-color:#2f9e44;background:rgba(47,158,68,.14)}
.sc-track{width:100%;display:grid;gap:1rem}
.sc-zone{width:100%;display:grid;gap:.6rem}
.sc-tl{width:100%;display:grid}
.sc-tl-item{display:grid;grid-template-columns:2.4rem 1fr;gap:.75rem;position:relative;padding-bottom:1.1rem}
.sc-tl-item:last-child{padding-bottom:0}
.sc-tl-item:not(:last-child)::before{content:'';position:absolute;left:1.2rem;top:2.4rem;bottom:0;width:2px;background:var(--line2);transform:translateX(-50%)}
.sc-tl-item[hidden]{display:none}
.sc-tl-dot{width:2.4rem;height:2.4rem;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--line2);color:var(--mute);background:var(--bg)}
.sc-tl-item.done .sc-tl-dot{color:#2f9e44;border-color:#2f9e44}
.sc-tl-item.waiting .sc-tl-dot{color:var(--acc);border-color:var(--acc)}
.sc-tl-item.read .sc-tl-dot{color:#fff;background:#2f9e44;border-color:#2f9e44}
.sc-tl-body b{display:block;font-size:.95rem}
.sc-tl-body small{display:block;margin-top:.15rem;color:var(--mute)}
.sc-tl-bar{height:6px;border-radius:99px;background:rgba(127,127,127,.25);overflow:hidden;margin:.45rem 0 .25rem}
.sc-tl-bar[hidden]{display:none}
.sc-tl-bar i{display:block;height:100%;width:100%;background:var(--acc);border-radius:99px;transition:width 1s linear}
.secchat .sc-btn.sc-burn{background:linear-gradient(180deg,#ffbf1f,#ff9500);color:#241500;border:0;font-weight:700}
.sc-keyrow{display:flex;align-items:center;gap:.5rem;width:100%;padding:.4rem .4rem .4rem .8rem;border:1px solid var(--line2);border-radius:12px;color:var(--mute)}
.sc-keyrow .sc-mono{flex:1;min-width:0;word-break:break-word;color:var(--ink);font-size:1.05rem}
.sc-more{width:100%}
.sc-more>summary{padding:.3rem 0}
.sc-more[open]>summary{margin-bottom:.5rem}
.sc-more>.sc-btn{width:100%;margin-bottom:.5rem}

/* ===== แถว "ตัวเลือก" แบบพับ (ชื่อคลาสใหม่ ไม่ชนกับ .sc-opts เดิมของโหมดแชต) ===== */
.sc-fold{width:100%;border:1px solid var(--line2);border-radius:14px;overflow:hidden}
.sc-fold>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1.25rem 1fr 1rem;column-gap:.6rem;row-gap:.2rem;align-items:center;padding:.8rem .9rem}
.sc-fold>summary::-webkit-details-marker{display:none}
.sc-fold>summary::marker{content:''}
.sc-fold>summary>svg{grid-column:1;grid-row:1;color:var(--mute)}
.sc-fold>summary .sc-foldlbl{grid-column:2;grid-row:1;font-weight:700;color:var(--ink)}
.sc-fold>summary::after{content:'';grid-column:3;grid-row:1;justify-self:end;width:.5rem;height:.5rem;border-right:2px solid var(--mute);border-bottom:2px solid var(--mute);transform:rotate(45deg);transition:transform .2s}
.sc-fold[open]>summary::after{transform:rotate(-135deg)}
.sc-fold>summary .sc-foldsum{grid-column:2 / 4;grid-row:2;color:var(--mute);font-size:.85rem;line-height:1.4}
.sc-foldbody{display:grid;gap:1.15rem;padding:1rem .9rem 1.1rem;border-top:1px solid var(--line2)}
.sc-fgroup{display:grid;gap:.5rem;min-width:0}
.sc-flabel{font-size:.85rem;font-weight:700;color:var(--ink)}
.sc-fnote{margin:0;font-size:.8rem;line-height:1.45;color:var(--mute)}
.sc-pills{display:flex;flex-wrap:wrap;gap:.45rem}
.sc-pill{appearance:none;min-height:38px;padding:.3rem .95rem;border-radius:99px;border:1px solid var(--line2);background:transparent;color:var(--ink);font:inherit;font-size:.9rem;cursor:pointer}
.sc-pill[aria-checked="true"]{background:var(--acc);color:var(--acc-ink);border-color:var(--acc);font-weight:700}
.sc-fold .sc-seg{width:100%}