:root{--navy:#17194a;--cyan:#00adef;--pale:#f0f6f9;--line:#d9e4e9;--ink:#202839;--success:#087b57}*{box-sizing:border-box}body{margin:0;background:#f8fbfc;color:var(--ink);font:16px/1.5 Arial,sans-serif}.topbar{min-height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:10px max(5vw,20px)}.brand{color:var(--navy);text-decoration:none}.brand strong{font-size:25px;letter-spacing:-1px}.brand small{display:block;font-size:11px;letter-spacing:.3px}nav{display:flex;align-items:center;gap:16px;margin-left:auto}nav form{margin:0}.link-button{border:0;background:none;color:var(--navy);font:inherit;cursor:pointer}.container{max-width:1120px;margin:0 auto;padding:38px 20px 56px}h1,h2{color:var(--navy);line-height:1.2}h1{font-size:clamp(28px,4vw,39px);margin:4px 0 9px}h2{font-size:22px;margin:4px 0 16px}.eyebrow{color:#59717e;text-transform:uppercase;letter-spacing:1.4px;font-size:12px;font-weight:bold;margin:0}.page-heading,.conversation-head,.panel-head{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;margin-bottom:30px}.panel-head{margin-bottom:16px}.card,.empty,.chat-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:24px;box-shadow:0 5px 18px rgba(24,44,62,.04)}.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:10px 17px;border-radius:7px;border:0;text-decoration:none;font-weight:bold;font-size:15px;cursor:pointer}.button.small{min-height:36px;padding:7px 11px;font-size:13px}.primary{background:var(--cyan);color:#05283b}.secondary{background:#fff;color:var(--navy);border:1px solid #9eb6c2}.home-grid{display:grid;grid-template-columns:minmax(270px,.75fr) minmax(0,1.4fr);gap:28px}.chat-columns{display:grid;gap:30px}.chat-list,.contact-list{display:grid;gap:12px}.chat-card{display:flex;justify-content:space-between;gap:16px;text-decoration:none;color:var(--ink);box-shadow:none}.chat-card strong{color:var(--navy)}.chat-card span,.fine-print,time,.contact-row span{color:#637783;font-size:13px}.contact-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.contact-row:last-child{border-bottom:0}.contact-row strong,.contact-row span{display:block}.empty-note{font-size:14px;color:#637783}.empty-compact{padding:16px;font-size:14px}.form-card,.login-card{max-width:620px}.login-card{margin:9vh auto}.form-card form,.login-card form{display:grid;gap:16px}label{display:block;font-weight:bold;color:var(--navy)}input,select,textarea{display:block;width:100%;font:inherit;margin-top:6px;padding:12px;border:1px solid #aebfc8;border-radius:7px;background:#fff;color:var(--ink)}select{min-height:120px}.message{padding:13px 16px;margin-bottom:18px;border-radius:7px;background:#e3f4fb;border-left:4px solid var(--cyan)}.message.error,ul.errorlist{color:#8f2130;background:#fdebef;border-color:#bb3041}.back{display:inline-block;color:var(--navy);font-weight:bold;text-decoration:none;margin-bottom:20px}.thread{display:grid;gap:12px;margin-bottom:16px}.chat-message{max-width:82%;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px}.chat-message.own{margin-left:auto;background:#e5f7fd;border-color:#b6e6f8}.chat-message header{display:flex;gap:12px;justify-content:space-between}.chat-message p{margin:8px 0}.media-preview{display:block;max-width:min(100%,520px);margin-top:10px;border-radius:8px;overflow:hidden;background:#111}.image-preview{background:transparent}.media-preview img{display:block;max-width:100%;max-height:420px;object-fit:contain;background:#eef3f5}.audio-preview{display:block;width:min(100%,360px);margin-top:10px}.attachment{display:block;margin-top:8px;color:var(--navy);font-weight:bold}.composer{border-top:1px solid var(--line);padding-top:12px}.composer-row{display:flex;align-items:flex-end;gap:8px}.composer textarea{min-height:42px;max-height:82px;resize:vertical;margin:0;padding:10px 12px}.file-input{display:none}.file-button{display:inline-flex;align-items:center;justify-content:center;flex:0 0 42px;width:42px;height:42px;margin:0;border:1px solid #9eb6c2;border-radius:7px;background:#fff;color:var(--navy);font-size:19px;cursor:pointer}.file-button:hover{background:var(--pale)}.send-button{min-height:42px;padding:8px 14px}.draft-badge{font-size:12px;color:#526873;background:var(--pale);border-radius:99px;padding:6px 10px;max-width:270px}footer{padding:20px max(5vw,20px);background:#edf3f5;color:#59717e;font-size:12px;border-top:1px solid var(--line)}@media(max-width:750px){.topbar{padding:9px 15px}.container{padding:26px 15px 45px}.page-heading,.conversation-head{display:block}.page-heading .button{margin-top:16px;width:100%}.home-grid{grid-template-columns:1fr}.card{padding:18px}.chat-message{max-width:94%}.draft-badge{display:inline-block;margin-top:9px}.send-button{font-size:0;flex:0 0 42px;width:42px;padding:0}.send-button::after{content:'➤';font-size:17px}}
.member-management{margin:-12px 0 24px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:12px}.member-list{display:flex;flex-wrap:wrap;gap:8px}.member-row{display:flex;align-items:center;gap:7px;padding:5px 9px;border:1px solid var(--line);border-radius:99px;font-size:14px}.member-row form{margin:0}.remove-member{color:#9b2635;font-size:13px;padding:0}.add-members{display:flex;align-items:center;gap:8px;margin-top:12px}.add-members select{min-height:42px;height:42px;margin:0;padding:8px;flex:1}@media(max-width:750px){.add-members{align-items:stretch}.add-members select{height:auto;min-height:90px}.member-management{margin-top:0}}
.profile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.profile-grid form{display:grid;gap:12px}.avatar-large{width:120px;height:120px;border-radius:50%;object-fit:cover;border:1px solid var(--line);display:block;margin-bottom:14px}nav a{color:var(--navy);text-decoration:none;font-weight:bold;font-size:14px}@media(max-width:750px){.profile-grid{grid-template-columns:1fr}}