.petro-chat{position:fixed;right:22px;bottom:22px;z-index:90;font:14px/1.55 Inter,system-ui,sans-serif;color:#e5f2f5;text-align:left;letter-spacing:normal}
.petro-chat *{box-sizing:border-box}
.petro-chat [hidden]{display:none!important}
.petro-chat button,.petro-chat textarea{font:inherit}
.petro-chat button{cursor:pointer}
.petro-chat button:disabled{cursor:default;opacity:.5}
.petro-chat button:focus-visible,.petro-chat textarea:focus-visible,.petro-chat a:focus-visible{outline:2px solid #04d6ea;outline-offset:3px}
.petro-chat-launch{display:flex;align-items:center;gap:10px;margin-left:auto;border:1px solid #317382;border-radius:999px;background:#0a2732;color:#eaffff;padding:12px 19px;box-shadow:0 5px 28px #0007;font-weight:600!important}
.petro-chat-dot{width:8px;height:8px;border-radius:50%;background:#04d6ea;box-shadow:0 0 12px #04d6ea55}
.petro-chat-panel{width:398px;height:570px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 100px);display:flex;flex-direction:column;margin-bottom:12px;border:1px solid #2a5363;border-radius:16px;background:#06151f;box-shadow:0 18px 70px #0009;overflow:hidden}
.petro-chat-head{padding:16px 18px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #1b3644;background:#091f2a}
.petro-chat-avatar{display:grid;place-items:center;width:38px;height:38px;border:1px solid #286070;border-radius:11px;color:#04d6ea;background:#0a2c38;font-size:11px;font-weight:700;letter-spacing:.03em}
.petro-chat-title{font-size:15px;font-weight:600;color:#f2ffff}
.petro-chat-subtitle{font-size:10px;color:#91adba;margin-top:1px}
.petro-chat-actions{margin-left:auto;display:flex;gap:5px}
.petro-chat-icon{display:grid;place-items:center;width:32px;height:34px;padding:0;border:0;border-radius:6px;background:transparent;color:#abc4d0;font-size:20px!important}
.petro-chat-icon:hover{background:#153544;color:#fff}
.petro-chat-messages{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:20px 17px;scrollbar-width:thin;scrollbar-color:#305160 transparent}
.petro-chat-message{max-width:94%;padding:11px 13px;margin:0 0 12px;border:1px solid #1a3746;border-radius:11px;background:#0a212d;color:#d0e4eb;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.65}
.petro-chat-message-user{margin-left:auto;background:#0c3b43;border-color:#23515c;color:#dcf8f8}
.petro-chat-message a{color:#62e5f0;text-decoration:underline;text-underline-offset:3px}
.petro-chat-welcome{color:#d9edf2;font-size:14px;margin:0 0 15px;line-height:1.65}
.petro-chat-suggestions{display:grid;gap:8px;margin:0 0 19px}
.petro-chat-suggestion{padding:9px 12px;text-align:left;border:1px solid #244958;border-radius:8px;background:transparent;color:#aad4df;font-size:12px!important}
.petro-chat-suggestion:hover{background:#0b2a36;border-color:#407986}
.petro-chat-status{min-height:23px;padding:0 18px 6px;color:#98c9d2;font-size:11px}
.petro-chat-status-error{color:#f3bf93}
.petro-chat-compose{padding:0 14px 13px}
.petro-chat-input-row{display:flex;align-items:flex-end;gap:8px;padding:9px;border:1px solid #31525e;border-radius:10px;background:#020f17}
.petro-chat-input-row:focus-within{border-color:#04c6d9}
.petro-chat textarea{width:100%;resize:none;min-height:45px;max-height:100px;border:0;background:transparent;color:#e4f4f7;padding:5px 2px;font-size:13px;line-height:1.5;outline:none!important;box-shadow:none}
.petro-chat textarea::placeholder{color:#7096a6}
.petro-chat-send{flex:none;width:34px;height:34px;padding:0;border:0;border-radius:7px;background:#04d6ea;color:#00202b;font-size:19px!important;font-weight:700}
.petro-chat-privacy{font-size:10px;line-height:1.5;color:#819eab;margin:9px 2px 0}
.petro-chat-privacy a{color:#a8c9d5;text-decoration:underline}
.petro-chat-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:520px){.petro-chat{right:12px;bottom:max(12px,env(safe-area-inset-bottom))}.petro-chat-panel{width:calc(100vw - 24px);max-width:none;height:560px;max-height:calc(100dvh - 95px)}.petro-chat-launch{padding:10px 15px}.petro-chat-head{padding:13px 15px}}
@media print{.petro-chat{display:none}}