:root{ --bg:#f7f7f7; --card:#fffad1; --stroke:#d8d3a3; --accent:#e7e3b9; --copy:#9bd196; --copy-stroke:#5a9152; --shadow:0 10px 30px rgba(0,0,0,.08); }
    *{box-sizing:border-box}
    html,body{height:100%}
    body{margin:0;background:var(--bg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:#1a1a1a}

    .site-header{min-height:112px;padding:8px 28px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #e6e6e6}
    .header-left{display:flex;align-items:center;gap:14px}
    .back-button{display:inline-flex;align-items:center;gap:7px;margin:0;padding:7px 10px;border:0;border-radius:8px;background:transparent;color:#1a1a1a;font:inherit;cursor:pointer}
    .back-button:hover,.back-button:focus-visible{background:#edf8fc;outline:none}
    .back-button:focus-visible{box-shadow:0 0 0 3px rgba(0,170,255,.3)}
    .back-icon{display:block;width:28px;height:28px;object-fit:contain}
    .site-logo{display:inline-flex;align-items:center}
    .site-logo img{display:block;height:96px;width:auto}
    .button-container,#authButtons,.top-icons{display:flex;align-items:center}
    #authButtons{gap:10px}
    .auth-button{display:inline-flex;align-items:center;padding:7px 12px;border:1px solid #00aaff;border-radius:5px;background:#fff;color:#00aaff;text-decoration:none;white-space:nowrap}
    .top-icons{gap:25px}
    .top-icons[hidden]{display:none}
    .icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px}
    .icon-btn.active{position:relative}
    .notification-badge{position:absolute;top:-6px;right:-7px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:#d71920;color:#fff;border:2px solid #fff;font:700 11px/16px Arial,sans-serif;text-align:center}
    .notification-badge[hidden]{display:none}
    .icon-btn:hover,.icon-btn:focus-visible,.icon-btn.active{background:#edf8fc;outline:none}
    .icon-btn img{width:44px;height:44px;object-fit:contain;filter:brightness(0) invert(20%) sepia(40%) saturate(2500%) hue-rotate(170deg) brightness(60%) contrast(80%)}
    .settings-menu{position:relative;display:inline-flex}
    .settings-dropdown{position:absolute;top:calc(100% + 8px);right:0;z-index:100;width:150px;padding:6px 0;background:#fff;border:1px solid #ccc;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,.15);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility 0s linear .18s}
    .settings-dropdown::before{content:"";position:absolute;right:0;bottom:100%;width:100%;height:10px}
    .settings-menu:hover .settings-dropdown,.settings-menu:focus-within .settings-dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);transition-delay:0s}
    .settings-item{display:block;width:100%;padding:10px 14px;border:0;background:transparent;color:#1a1a1a;text-align:left;text-decoration:none;font:inherit;cursor:pointer}
    .settings-item:hover,.settings-item:focus-visible{background:#f5f5f5;outline:none}

    .app{display:grid;grid-template-columns:320px 1fr;gap:24px;max-width:1400px;margin:0 auto;padding:24px;height:100%}
    .sidebar{background:#fff;border-radius:28px;border:3px solid #bbb;box-shadow:var(--shadow);display:flex;flex-direction:column}
    .sidebar h2{font-family:"Arial",sans-serif;font-size:28px;text-align:center;margin:18px 0 10px;color:#222}
    .thread{display:flex;flex-direction:column;border-top:4px solid #bbb;border-bottom:4px solid #bbb;margin:0 16px}
    .thread-item{width:100%;padding:14px 18px;cursor:pointer;border:0;border-bottom:2px solid #bbb2;background:#fff;color:#222;text-decoration:none;display:block;text-align:left;font:inherit}
    .thread-item:hover,.thread-item.active{background:#eef8fc}
    .thread-item strong{display:block;font-size:20px}
    .thread-item span{display:block;color:#454545;text-decoration:underline;margin-top:4px}

    .main{position:relative;display:flex;flex-direction:column;gap:16px}
    .header{display:flex;align-items:center;justify-content:space-between}
    .header h1{font-family:"Arial",sans-serif;font-weight:700;font-size:36px;margin:0;color:#1f1f1f}
    .actions{display:flex;gap:10px}
    .actions button{border:0;padding:10px 14px;border-radius:12px;background:#000;color:#fff;cursor:pointer;opacity:.9}
    .actions button:hover{opacity:1}

    .messages{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:14px;background:#fff;border:2px solid var(--stroke);border-radius:18px}
    .message{display:flex}
    .message.to{justify-content:flex-end}
    .message .bubble{max-width:620px}
    .text-bubble{padding:11px 14px;border-radius:18px;background:#f0f0f0;box-shadow:0 2px 8px rgba(0,0,0,.08)}
    .message.to .text-bubble{background:#dff3ff}
    .text-bubble p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
    .text-bubble time{display:block;margin-top:5px;font-size:11px;color:#666;text-align:right}
    .conversation-user{font-weight:600;color:#555}
    .message-composer{display:flex;gap:10px;align-items:stretch}
    .message-composer[hidden]{display:none}
    .message-composer textarea{flex:1;resize:vertical;min-height:50px;padding:12px;border:2px solid #ccc;border-radius:14px;font:inherit}
    .message-composer button{padding:0 24px;border:0;border-radius:14px;background:#0079a8;color:#fff;font-weight:600;cursor:pointer}
    .empty-state,.empty-conversation{padding:18px;color:#666;text-align:center}
    .request-note{margin:10px 4px 0;padding-top:10px;border-top:1px solid #d8d3a3;white-space:pre-wrap}
    .request-status{margin:12px 8px 0;font-weight:700;text-align:center;color:#356b35}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

    /* Order card look */
    .order-card{width:100%;max-width:460px;margin:0;background:var(--card);border:3px solid var(--stroke);border-radius:30px;box-shadow:var(--shadow);padding:18px 18px 20px}
    .order-title{font-family:"Arial",sans-serif;font-weight:700;font-size:26px;margin:4px 8px 8px;color:#222}
    .order-card .inner{background:rgba(255,255,255,.4);border:2px solid var(--accent);border-radius:16px;padding:12px 14px 8px;margin-top:12px}
    .order-card .field{margin:8px 4px}
    .order-card .label{font-weight:700;color:#222;margin-bottom:6px}
    .order-card input[type="text"], .order-card input[type="number"]{width:100%;height:42px;border-radius:12px;border:2px solid #e0e0c5;background:#fffdfa;padding:6px 10px;font-size:18px;box-shadow:inset 0 1px 0 rgba(0,0,0,.06)}
    .order-card input[readonly]{background:#fffdfa;cursor:default}
    .copy-btn{height:34px;padding:0 12px;border-radius:6px;border:2px solid var(--copy-stroke);background:var(--copy);font-weight:600;cursor:pointer;font-size:15px}
    .grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .order-card .footer{display:flex;justify-content:space-between;gap:12px;margin-top:12px}

    .pill{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:8px 18px;font-size:18px;font-family:Arial,sans-serif;color:#1f1f1f;cursor:pointer;border:2px solid #9aa0a6;background:linear-gradient(180deg,#e9ecef 0%,#d7dade 60%,#c3c8cd 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 3px 10px rgba(0,0,0,.08);transition:transform .05s ease, box-shadow .2s ease;}
/* glossy strip */
.pill::before,.pill::after{content:none;}
/* subtle metallic grain */

.pill:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 5px 14px rgba(0,0,0,.10);}
.pill:active{transform:translateY(1px);box-shadow:inset 0 2px 6px rgba(0,0,0,.12),0 2px 8px rgba(0,0,0,.08);}
/* small variant keeps the same look */
.pill.small{font-size:16px; padding:6px 14px;}

.pill::before,.pill::after{content:none;} 
/* Disabled */
    .pill.disabled, .pill:disabled{opacity:.5;cursor:not-allowed;pointer-events:none;background:#e6e6e6;border-color:#c4c4c4;color:#777;box-shadow:none;filter:grayscale(.5) saturate(.6);} 
.pill.disabled:hover, .pill:disabled:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.pill.disabled:active, .pill:disabled:active{transform:none;}

    /* Stronger disabled look for small variant */
.pill.small.disabled, .pill.small:disabled{background:#e2e2e2;border-color:#bcbcbc;color:#777;box-shadow:none;filter:grayscale(.75) saturate(.6);opacity:.65;}

.auto-msg{background:transparent;border:none;box-shadow:none;padding:0}
    .auto-msg .question{margin:0 0 10px 0;font-size:18px;color:#222;font-style:italic}
    .note{margin-top:8px;font-size:14px;color:#7a7a7a;font-style:italic}
    .auto-actions{display:flex;gap:14px;flex-wrap:wrap}

    @media (max-width:700px){
      .site-header{min-height:82px;padding:8px 14px}
      .header-left{gap:6px}
      .back-button{padding:6px}
      .back-button b{display:none}
      .back-icon{width:24px;height:24px}
      .site-logo img{height:68px}
      .top-icons{gap:8px}
      .icon-btn,.icon-btn img{width:38px;height:38px}
      .app{grid-template-columns:1fr;height:auto;padding:14px}
    }