.stay-chat-page{background:#f4f7fa;min-height:72vh;padding:44px 0 70px}.stay-chat-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}.stay-chat-head h1{margin:6px 0;font-size:clamp(2rem,4vw,3.2rem)}.stay-chat-shell{display:grid;grid-template-columns:330px minmax(0,1fr);background:#fff;border:1px solid #dfe7ee;border-radius:24px;overflow:hidden;min-height:620px;box-shadow:0 18px 50px rgba(7,27,46,.09)}.stay-chat-list{border-right:1px solid #e6edf2;background:#f9fbfc;padding:16px;overflow:auto}.stay-chat-search{width:100%;border:1px solid #ccd8e0;border-radius:12px;padding:12px 14px;margin-bottom:12px}.stay-thread{width:100%;text-align:left;border:0;background:transparent;padding:13px;border-radius:14px;display:grid;gap:4px;cursor:pointer}.stay-thread:hover,.stay-thread.active{background:#eaf2f7}.stay-thread strong{color:#071b2e}.stay-thread small{color:#667886}.stay-thread .unread{display:inline-flex;background:#d5a62a;color:#071b2e;border-radius:999px;padding:2px 7px;font-weight:800;font-size:.72rem}.stay-chat-main{display:flex;flex-direction:column;min-width:0}.stay-chat-title{padding:18px 22px;border-bottom:1px solid #e6edf2;display:flex;justify-content:space-between;align-items:center;gap:12px}.stay-chat-title h2{margin:0;font-size:1.18rem}.stay-chat-title small{display:block;color:#667886;margin-top:4px}.stay-chat-messages{flex:1;padding:24px;overflow:auto;background:linear-gradient(180deg,#f7fafc,#fff)}.stay-message{max-width:76%;margin:0 0 12px;padding:12px 15px;border-radius:17px;background:#fff;border:1px solid #e1e9ef;box-shadow:0 4px 14px rgba(7,27,46,.05)}.stay-message.mine{margin-left:auto;background:#071b2e;color:#fff;border-color:#071b2e}.stay-message p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.stay-message small{display:block;margin-top:7px;opacity:.68;font-size:.74rem}.stay-chat-form{border-top:1px solid #e6edf2;padding:15px;display:flex;gap:10px}.stay-chat-form textarea{flex:1;resize:none;min-height:48px;max-height:130px;border:1px solid #ccd8e0;border-radius:14px;padding:13px}.stay-chat-empty{display:grid;place-items:center;height:100%;padding:30px;text-align:center;color:#667886}.stay-chat-notice{padding:10px 14px;border-radius:12px;margin-bottom:15px;background:#eef6ff;color:#174b75}.stay-chat-notice.error{background:#fff0f0;color:#8e2525}@media(max-width:820px){.stay-chat-shell{grid-template-columns:1fr;min-height:720px}.stay-chat-list{border-right:0;border-bottom:1px solid #e6edf2;max-height:230px}.stay-message{max-width:90%}.stay-chat-head{align-items:flex-start;flex-direction:column}}