/* หน้า "ผู้ช่วยตอบแชท AI" (#/reply) — prefix .rp- (ธีมมืด) */
.rp-title{text-align:center}
.rp-body{flex:1;display:flex;flex-direction:column;gap:14px;padding:4px 16px 110px}

.rp-card{padding:14px;display:flex;flex-direction:column;gap:10px}
.rp-h2{font-size:13.5px;font-weight:700}
.rp-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.rp-swap{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--r-pill);
  font-size:11.5px;font-weight:700;color:var(--accent);background:rgba(47,139,255,.14);
  border:1px solid rgba(47,139,255,.35);transition:transform .12s}
.rp-swap:active{transform:scale(.95)}
.rp-swap svg{width:14px;height:14px}

.rp-conv-line{display:flex;align-items:center;gap:8px;font-size:11.5px;font-weight:600}
.rp-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-2);
  box-shadow:0 0 10px rgba(87,230,168,.65);flex:none}

/* กรอบจำลองหน้าต่างแชท */
.rp-chat{display:flex;flex-direction:column;gap:8px;padding:12px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-brd)}
.rp-msg-row{display:flex;justify-content:flex-start}
.rp-msg-row.rp-right{justify-content:flex-end}
.rp-msg-wrap{max-width:78%;display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.rp-right .rp-msg-wrap{align-items:flex-end}
.rp-bubble{padding:8px 12px;border-radius:var(--r-md);font-size:12.5px;line-height:1.55}
.rp-b-them{background:var(--glass-2);border:1px solid var(--glass-brd);
  color:var(--ink);border-bottom-left-radius:6px}
.rp-b-me{background:var(--grad-cta);color:#04223f;font-weight:600;
  border-bottom-right-radius:6px;box-shadow:0 0 14px rgba(87,230,168,.3)}
.rp-b-hi{background:rgba(87,230,168,.12);border:2px solid rgba(87,230,168,.6);
  color:var(--ink);font-weight:600;border-bottom-left-radius:6px;
  box-shadow:0 0 14px rgba(87,230,168,.3)}
.rp-tag{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:var(--r-pill);
  font-size:10px;font-weight:700;color:var(--accent-2);background:rgba(87,230,168,.14);
  border:1px solid rgba(87,230,168,.3)}
.rp-tag svg{width:12px;height:12px}

/* ชิปสไตล์ 4 อัน */
.rp-styles{display:flex;gap:6px;padding:6px}
.rp-style-chip{flex:1;padding:9px 4px;border-radius:var(--r-md);font-size:11.5px;font-weight:700;
  color:var(--ink-dim);transition:transform .12s,background .15s,color .15s}
.rp-style-chip:active{transform:scale(.95)}
.rp-style-chip.active{background:var(--grad-cta);color:#04223f;
  box-shadow:0 0 16px rgba(87,230,168,.4)}

/* การ์ดคำตอบ */
.rp-answers{display:flex;flex-direction:column;gap:12px;min-height:120px}
.rp-answer{padding:14px;display:flex;flex-direction:column;gap:10px}
.rp-best{border-color:rgba(87,230,168,.55)}
.rp-best-badge{align-self:flex-start;display:inline-flex;align-items:center;gap:4px;
  padding:4px 11px;border-radius:var(--r-pill);font-size:10.5px;font-weight:700;
  color:#04351f;background:var(--grad-cta)}
.rp-best-badge svg{width:12px;height:12px}
.rp-answer-text{font-size:12.5px;line-height:1.6}
.rp-answer-actions{display:flex;justify-content:flex-end;gap:8px}
.rp-btn-copy{padding:7px 14px;border-radius:var(--r-pill);font-size:11.5px;font-weight:600;
  background:var(--glass-2);border:1px solid var(--glass-brd);transition:transform .12s}
.rp-btn-copy:active{transform:scale(.95)}
.rp-btn-send{min-width:64px;padding:7px 16px;border-radius:var(--r-pill);font-size:11.5px;font-weight:700;
  color:#04223f;background:var(--grad-cta);box-shadow:0 0 14px rgba(87,230,168,.35);
  display:inline-flex;align-items:center;justify-content:center;gap:4px;transition:transform .12s}
.rp-btn-send:active{transform:scale(.95)}
.rp-check svg{width:15px;height:15px;animation:rpCheckPop .35s ease both}
@keyframes rpCheckPop{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.25)}100%{transform:scale(1);opacity:1}}

/* skeleton ระหว่างรอ AI */
.rp-skel{gap:8px;animation:rpShimmer 1.1s ease-in-out infinite}
.rp-skel-line{height:12px;border-radius:var(--r-pill)}
.rp-skel-btn{height:26px;width:96px;align-self:flex-end;margin-top:4px}
@keyframes rpShimmer{0%,100%{opacity:.55}50%{opacity:1}}

/* ทางลัด */
.rp-sc-sec{display:flex;flex-direction:column;gap:8px}
.rp-sc-sec .rp-h2{padding:0 4px}
.rp-sc-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;
  scrollbar-width:none;-ms-overflow-style:none}
.rp-sc-row::-webkit-scrollbar{display:none}
.rp-sc-chip{flex:none;font-size:12px;transition:transform .12s}
.rp-sc-chip:active{transform:scale(.95)}

/* ป้อนเอง */
.rp-custom{padding:12px;display:flex;flex-direction:column;gap:10px}
.rp-input{font-size:13px;padding:12px 16px}
.rp-generate{width:100%;padding:11px;border-radius:var(--r-md);font-size:12.5px;font-weight:700;
  color:#04223f;background:var(--grad-cta);box-shadow:0 0 18px rgba(87,230,168,.35);
  display:flex;align-items:center;justify-content:center;gap:6px;transition:transform .12s}
.rp-generate:active{transform:scale(.97)}
.rp-generate svg{width:16px;height:16px}

/* แถบตรึงล่างในหน้า: สวิตช์ "เก็บไว้หลังส่ง" */
.rp-footer{position:fixed;left:50%;transform:translateX(-50%);bottom:10px;z-index:40;
  width:min(456px,calc(100% - 24px));display:flex;align-items:center;justify-content:space-between;
  gap:10px;padding:13px 16px;background:rgba(16,38,74,.85);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.rp-footer-desc{font-size:11px;line-height:1.4;text-align:left}
.rp-keep{display:flex;align-items:center;gap:8px;flex:none;transition:transform .12s}
.rp-keep:active{transform:scale(.96)}
.rp-keep-label{font-size:11.5px;font-weight:600}
.rp-track{position:relative;width:40px;height:22px;border-radius:var(--r-pill);
  background:rgba(157,180,214,.35);transition:background .2s,box-shadow .2s;flex:none}
.rp-track .rp-knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;
  background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.35);transition:transform .2s}
.rp-track.on{background:var(--accent-2);box-shadow:0 0 12px rgba(87,230,168,.5)}
.rp-track.on .rp-knob{transform:translateX(18px)}

/* fade transition ตอนสลับชุดคำตอบ/บทสนทนา */
.rp-fade{transition:opacity .18s ease}
.rp-fade.rp-out{opacity:0}
.rp-in{animation:rpIn .32s ease both}
@keyframes rpIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

@media (max-width:400px){
  .rp-styles{flex-wrap:wrap}
  .rp-style-chip{flex:1 1 40%}
}

/* สถานะว่าง/ปุ่มถูกล็อกระหว่างส่ง */
.rp-empty{font-size:12.5px;padding:14px 4px;text-align:center}
.rp-btn-send:disabled,.rp-btn-copy:disabled{opacity:.55;pointer-events:none}