:root{--guest-navy:#063b5c;--guest-deep:#032034;--guest-orange:#f47b20;--guest-line:#dfe8f1;--guest-muted:#6f7f92;--guest-soft:#f6f9fc;--guest-ink:#10283a}*{box-sizing:border-box}.guest-chat-body{margin:0;min-height:100vh;background:linear-gradient(145deg,#eef5f9,#f9fbfd);font:14px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--guest-ink)}.guest-chat-shell{width:min(1180px,calc(100% - 36px));margin:auto;padding:22px 0 42px}.guest-chat-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:42px}.portal-brand{display:flex;align-items:center;gap:12px;color:var(--guest-navy);text-decoration:none}.portal-mark{width:43px;height:43px;border-radius:12px;background:var(--guest-navy);display:grid;place-items:center;color:#fff;font-weight:900;font-size:22px}.portal-brand strong{display:block;font-size:18px;letter-spacing:.12em}.portal-brand small{display:block;color:var(--guest-orange);font-size:10px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.guest-outline-btn,.guest-send-btn{border:1px solid #c9d7e4;background:#fff;color:var(--guest-navy);border-radius:8px;padding:10px 14px;font-weight:800;cursor:pointer;text-decoration:none}.guest-send-btn{border:0;background:var(--guest-orange);color:#fff;box-shadow:0 7px 15px #f47b2030}.guest-chat-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}.guest-chat-intro{padding:40px 8px}.eyebrow{font-size:10px;letter-spacing:.14em;font-weight:900;color:var(--guest-orange);text-transform:uppercase}.guest-chat-intro h1{font-size:clamp(30px,4vw,52px);line-height:1.05;letter-spacing:-.045em;color:var(--guest-deep);margin:10px 0 16px}.guest-chat-intro p{color:var(--guest-muted);font-size:16px;max-width:540px}.guest-chat-note{margin-top:24px;padding:16px;border:1px solid #dfe8f1;background:#fff;border-radius:10px;display:grid;gap:4px;max-width:380px}.guest-chat-note a{color:var(--guest-orange);font-weight:800;text-decoration:none}.guest-chat-card{background:#fff;border:1px solid var(--guest-line);border-radius:14px;box-shadow:0 18px 50px #12304012;overflow:hidden}.guest-start-form{display:grid;gap:15px;padding:24px}.guest-form-row{display:grid;gap:6px}.guest-form-row label{font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#52657a}.guest-form-row input,.guest-form-row textarea,.guest-message-form textarea{width:100%;border:1px solid #cfdae6;border-radius:8px;padding:12px;font:inherit;outline:none}.guest-form-row textarea{min-height:130px;resize:vertical}.guest-form-row input:focus,.guest-form-row textarea:focus,.guest-message-form textarea:focus{border-color:var(--guest-orange);box-shadow:0 0 0 3px #f47b2020}.guest-thread{display:flex;flex-direction:column;min-height:620px}.guest-thread-head{display:flex;justify-content:space-between;gap:16px;padding:22px 24px;border-bottom:1px solid var(--guest-line)}.guest-thread-head h2{margin:5px 0 0;font-size:22px}.guest-status{height:max-content;border-radius:99px;background:#eaf7f0;color:#18754f;text-transform:capitalize;font-size:11px;font-weight:900;padding:6px 10px}.guest-messages{flex:1;padding:24px;display:flex;flex-direction:column;gap:14px;overflow:auto;background:linear-gradient(#fff,#fbfcfe)}.guest-message{max-width:78%;padding:13px 15px;border-radius:13px;white-space:pre-wrap}.guest-message.customer{align-self:flex-end;background:#fff0df;border:1px solid #ffd5b0}.guest-message.admin{align-self:flex-start;background:#fff;border:1px solid var(--guest-line)}.guest-message-meta{display:flex;gap:10px;margin-bottom:5px;font-size:10px;color:var(--guest-muted)}.guest-message-meta strong{color:var(--guest-ink)}.guest-message-form{border-top:1px solid var(--guest-line);padding:16px;background:#fff}.guest-message-form textarea{min-height:78px;resize:vertical}.guest-form-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:10px;color:var(--guest-muted);font-size:11px}.guest-empty{padding:30px;text-align:center;color:var(--guest-muted)}@media(max-width:820px){.guest-chat-grid{grid-template-columns:1fr}.guest-chat-intro{padding:10px 0}.guest-chat-header{align-items:flex-start}.guest-message{max-width:92%}.guest-form-footer{align-items:stretch;flex-direction:column}.guest-send-btn{width:100%}}