/* Export chat image page — AGENT-T4 — #/export (light glass, ตามเดโม่ chat-export-image)
 * prefix .ex- ทั้งหมด / ใช้ token จาก base.css */

.ex-body{flex:1;display:flex;flex-direction:column;gap:12px;
  padding:0 14px calc(24px + env(safe-area-inset-bottom))}
.ex-card{padding:15px 16px;border-radius:24px}
.theme-light .ex-card{background:var(--card-glass);border:1px solid var(--card-brd);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 6px 20px rgba(80,140,220,.15)}
.ex-h{font-size:14px;font-weight:700;color:var(--card-ink)}
.ex-card > .ex-h{margin-bottom:11px}

/* ---------- โมดูล 1: เทมเพลต 4 อัน ---------- */
.ex-tpl-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ex-tpl{display:flex;flex-direction:column;align-items:center;gap:6px}
.ex-thumb{position:relative;width:100%;height:62px;border-radius:14px;overflow:hidden;
  border:2px solid var(--card-brd);box-shadow:0 2px 8px rgba(60,110,180,.14);
  transition:transform .15s, border-color .25s, box-shadow .25s}
.ex-tpl:active .ex-thumb{transform:scale(.95)}
.ex-tpl.active .ex-thumb{border-color:#4ade80;box-shadow:0 0 16px rgba(74,222,128,.45)}
.ex-tpl-name{font-size:10.5px;font-weight:500;color:var(--card-ink-dim);white-space:nowrap}
.ex-tb{position:absolute;height:9px;border-radius:999px}
.ex-tb-1{top:8px;left:6px;width:30px} .ex-tb-2{top:23px;right:6px;width:34px} .ex-tb-3{top:38px;left:6px;width:26px}
.ex-thumb-white{background:#fff}
.ex-thumb-white .ex-tb-1,.ex-thumb-white .ex-tb-3{background:#dfe5ee}
.ex-thumb-white .ex-tb-2{background:rgba(47,139,255,.8)}
.ex-thumb-dark{background:#1a2744}
.ex-thumb-dark .ex-tb-1,.ex-thumb-dark .ex-tb-3{background:#2c3d61}
.ex-thumb-dark .ex-tb-2{background:rgba(74,222,128,.85)}
.ex-thumb-sky{background:#e0f0ff}
.ex-thumb-sky .ex-tb-1,.ex-thumb-sky .ex-tb-3{background:#fff}
.ex-thumb-sky .ex-tb-2{background:#63b3ff}
.ex-thumb-kraft{background:#f2e7d5}
.ex-thumb-kraft .ex-tb-1,.ex-thumb-kraft .ex-tb-3{background:#fbf4e6}
.ex-thumb-kraft .ex-tb-2{background:#8a6b4a}
.ex-check{position:absolute;right:4px;bottom:4px;width:16px;height:16px;border-radius:50%;
  background:#4ade80;box-shadow:0 0 10px rgba(74,222,128,.55);
  display:none;align-items:center;justify-content:center}
.ex-check svg{width:10px;height:10px;stroke:#fff;fill:none;stroke-width:3.5;
  stroke-linecap:round;stroke-linejoin:round}
.ex-tpl.active .ex-check{display:flex}

/* ---------- โมดูล 2: พรีวิวภาพยาว ---------- */
.ex-pv-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}
.ex-pick{padding:6px 12px;border-radius:var(--r-pill);font-size:11.5px;font-weight:700;
  color:var(--accent);background:rgba(47,139,255,.1);transition:transform .12s, background .15s}
.ex-pick:active{transform:scale(.95)}
.ex-pv-window{height:300px;border-radius:16px;overflow:hidden;
  border:2px solid rgba(74,222,128,.6);box-shadow:0 0 18px rgba(74,222,128,.35)}
.ex-pv-scroll{height:100%;overflow-y:auto}
.ex-canvas{min-height:100%;padding:16px;display:flex;flex-direction:column;
  transition:background-color .35s ease}
.ex-pv-top{text-align:center;margin-bottom:12px}
.ex-pv-name{font-size:14px;font-weight:700;transition:color .35s ease}
.ex-pv-date{font-size:10.5px;margin-top:2px;transition:color .35s ease}
.ex-pv-msgs{display:flex;flex-direction:column;gap:10px}
.ex-pv-row{display:flex;align-items:flex-end;gap:8px}
.ex-pv-row.me{flex-direction:row-reverse}
.ex-pv-av{flex:none;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-size:11px;font-weight:700;color:#fff;
  box-shadow:0 2px 6px rgba(20,60,120,.25);transition:filter .3s ease}
.ex-pv-av.blur{filter:blur(3px)}
.ex-pv-col{display:flex;flex-direction:column;align-items:flex-start;max-width:76%;min-width:0}
.ex-pv-row.me .ex-pv-col{align-items:flex-end}
.ex-pv-who{font-size:10px;font-weight:500;margin-bottom:2px;transition:color .35s ease}
.ex-pv-bubble{padding:8px 12px;line-height:1.55;box-shadow:0 1px 3px rgba(20,50,100,.12);
  word-break:break-word;
  transition:background-color .35s ease, color .35s ease, border-radius .25s ease}
.ex-pv-time{font-size:9.5px;margin-top:2px;transition:color .35s ease}
.ex-pv-wm{text-align:center;font-size:10px;margin-top:16px;padding-bottom:4px;
  transition:color .35s ease, opacity .3s ease}
.ex-pv-wm.off{display:none}

/* ---------- โมดูล 3: สวิตช์ตั้งค่า ---------- */
.ex-set-list{display:flex;flex-direction:column;gap:8px}
.ex-set{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;
  background:var(--card-glass);border:1px solid var(--card-brd)}
.ex-set-name{font-size:12.5px;font-weight:600;color:var(--card-ink)}
.ex-set-desc{font-size:10.5px;color:var(--card-ink-dim);margin-top:2px}
.ex-switch{position:relative;flex:none;width:42px;height:24px;border-radius:var(--r-pill);
  background:#cbd8e6;transition:background .25s ease, box-shadow .25s ease, transform .12s}
.ex-switch:active{transform:scale(.94)}
.ex-switch .ex-knob{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;
  background:#fff;box-shadow:0 1px 4px rgba(20,50,100,.3);transition:transform .25s ease}
.ex-switch.on{background:linear-gradient(to right,#6ee7a0,#4ade80);
  box-shadow:0 0 12px rgba(74,222,128,.45)}
.ex-switch.on .ex-knob{transform:translateX(18px)}

/* ---------- โมดูล 4: ตั้งค่าขั้นสูง ---------- */
.ex-adv{display:flex;flex-direction:column;gap:14px}
.ex-adv-row{display:flex;align-items:center;gap:12px}
.ex-adv-lb{flex:none;width:96px;font-size:12px;color:var(--card-ink-dim)}
.ex-dots{display:flex;align-items:center;gap:10px}
.ex-dot{width:28px;height:28px;border-radius:50%;border:2px solid #fff;
  box-shadow:0 2px 6px rgba(60,110,180,.25);transition:transform .15s, box-shadow .25s}
.ex-dot:active{transform:scale(.92)}
.ex-dot.active{box-shadow:0 0 0 2px #fff, 0 0 0 4px #4ade80, 0 0 14px rgba(74,222,128,.5)}
.ex-dot-auto{background:linear-gradient(135deg,#f4f7fb,#c9d5e4)}
.ex-adv-val{flex:none;width:42px;text-align:right;font-size:11.5px;font-weight:700;color:var(--card-ink)}
input[type="range"].ex-slider{-webkit-appearance:none;appearance:none;flex:1;min-width:0;
  height:6px;border-radius:var(--r-pill);outline:none;
  background:linear-gradient(to right,#6ee7a0,#4ade80)}
input[type="range"].ex-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;
  width:18px;height:18px;border-radius:50%;cursor:pointer;
  background:linear-gradient(135deg,#a7f3c9,#4ade80);border:2px solid #fff;
  box-shadow:0 0 12px rgba(74,222,128,.55)}
input[type="range"].ex-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;
  cursor:pointer;background:linear-gradient(135deg,#a7f3c9,#4ade80);border:2px solid #fff;
  box-shadow:0 0 12px rgba(74,222,128,.55)}

/* ---------- โมดูล 5: ส่งออก ---------- */
.ex-out{display:flex;align-items:center;gap:12px}
.ex-size-lb{font-size:11px;color:var(--card-ink-dim)}
.ex-size{font-size:17px;font-weight:700;color:var(--card-ink)}
.ex-export{flex:none;display:flex;align-items:center;gap:8px;padding:12px 22px;
  border-radius:16px;font-size:14px;font-weight:700;color:#0b4d2c;
  background:linear-gradient(to right,#6ee7a0,#4ade80);
  box-shadow:0 0 18px rgba(74,222,128,.45);
  transition:transform .12s, filter .15s, opacity .2s}
.ex-export:active{transform:scale(.95)}
.ex-export.busy{opacity:.8;pointer-events:none}
.ex-export svg{width:18px;height:18px;stroke:currentColor;fill:none;
  stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ex-export .ex-spin{display:none;animation:exSpin .8s linear infinite}
.ex-export.busy .ex-spin{display:block}
.ex-export.busy .ex-dl{display:none}
@keyframes exSpin{to{transform:rotate(360deg)}}
.ex-hint{font-size:10.5px;color:var(--card-ink-dim);text-align:center;margin-top:10px}

@media (max-width:379px){
  .ex-body{padding-left:10px;padding-right:10px}
  .ex-tpl-row{gap:7px}
  .ex-adv-lb{width:84px;font-size:11.5px}
  .ex-export{padding:11px 16px;font-size:13px}
}

/* ===== FIX-TEAM-D: sheet เลือกแชท / วิธีใช้ ===== */
.ex-sheet-bg{position:fixed;inset:0;z-index:100;background:rgba(9,24,48,.5);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:exFade .22s ease}
@keyframes exFade{from{opacity:0}to{opacity:1}}
.ex-sheet{position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:101;
  width:min(480px,100%);max-height:82dvh;overflow-y:auto;color:var(--card-ink);
  background:rgba(255,255,255,.9);border:1px solid var(--card-brd);border-bottom:none;
  backdrop-filter:blur(22px) saturate(170%);-webkit-backdrop-filter:blur(22px) saturate(170%);
  border-radius:26px 26px 0 0;padding:12px 20px calc(18px + env(safe-area-inset-bottom));
  box-shadow:0 -18px 60px rgba(9,30,60,.3);
  animation:exUp .34s cubic-bezier(.32,.72,.22,1)}
@keyframes exUp{from{transform:translate(-50%,100%)}to{transform:translate(-50%,0)}}
.ex-sheet.closing{animation:exDown .2s ease forwards}
.ex-sheet-bg.closing{animation:exFadeOut .2s ease forwards}
@keyframes exDown{to{transform:translate(-50%,100%)}}
@keyframes exFadeOut{to{opacity:0}}
.ex-sheet .grab{width:40px;height:6px;border-radius:3px;background:rgba(125,146,173,.3);
  margin:0 auto 13px}
.ex-sheet-h{font-size:16px;font-weight:700;margin-bottom:6px}
.ex-sheet-note{font-size:12px;line-height:1.7;color:var(--card-ink-dim);margin-bottom:12px}
.ex-sheet-cancel{display:block;width:100%;text-align:center;padding:12px;margin-top:8px;
  font-size:14px;color:var(--card-ink-dim)}

.ex-help-list{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:12px}
.ex-help-list li{padding:11px 13px;border-radius:15px;font-size:12.5px;line-height:1.7;
  background:rgba(240,246,255,.75);border:1px solid rgba(215,229,248,.9);color:var(--card-ink)}

.ex-pick-list{display:flex;flex-direction:column;gap:7px;max-height:44dvh;overflow-y:auto;
  margin-bottom:10px}
.ex-pick-row{display:flex;align-items:center;gap:11px;width:100%;text-align:left;
  padding:9px 11px;border-radius:16px;background:rgba(255,255,255,.68);
  border:1px solid rgba(215,229,248,.9);transition:transform .12s,border-color .15s}
.ex-pick-row:hover{border-color:#8fc3ff}
.ex-pick-row:active{transform:scale(.985)}
.ex-pick-row[disabled]{opacity:.5;pointer-events:none}
.ex-pick-txt{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.ex-pick-name{font-size:13.5px;font-weight:600;color:var(--card-ink)}
.ex-pick-sub{font-size:11px;color:var(--card-ink-dim)}
.ex-pick-empty{padding:22px 8px;text-align:center;font-size:12.5px;color:var(--card-ink-dim)}
.ex-pick-sample{display:block;width:100%;padding:12px;border-radius:16px;
  font-size:13px;font-weight:600;color:#1d4ed8;background:rgba(219,234,254,.8);
  border:1px solid rgba(147,197,253,.85);transition:transform .12s}
.ex-pick-sample:active{transform:scale(.98)}