:root{--navy:#11162b;--ink:#141827;--muted:#76809f;--line:#e3e7f1;--panel:#fff;--bg:#f3f5fa;--violet:#5d5ee8;--red:#ff1f2d;--green:#16856f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{display:flex;align-items:center;justify-content:space-between;padding:24px 32px;background:var(--navy);color:#fff}h1,h2,p{margin-top:0}header h1{margin:0;font-size:26px}header p{margin:4px 0 0;color:#bac2df}.user{display:flex;gap:14px;align-items:center}.user form{margin:0}.link{background:transparent;border:1px solid #656c89;padding:8px 14px}main{max-width:1480px;margin:auto;padding:28px}.card,.ticket{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 12px 30px rgba(24,31,70,.05)}.login{min-height:100vh;display:grid;place-items:center}.login .card{width:min(460px,calc(100% - 32px))}form{display:grid;gap:14px}label{display:grid;gap:7px;font-weight:700}input,select,textarea,button{font:inherit;border-radius:12px;border:1px solid #cfd5e5;padding:13px 15px;background:#fff}textarea{resize:vertical}button{background:linear-gradient(135deg,#5264e3,#7557e8);border:0;color:#fff;font-weight:800;cursor:pointer}.alert{padding:12px 14px;border-radius:12px;margin:12px 0}.alert.error{background:#fff0f1;color:#9d1821}.alert.ok{background:#e9f8f4;color:#086b58}.credential{overflow-wrap:anywhere}.stats{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}.stat{min-width:145px;background:var(--navy);color:#fff;border-radius:16px;padding:16px}.stat strong{font-size:26px;margin-right:8px}.stat span{color:#cbd2ea}.filters{grid-template-columns:2fr 1fr 1fr auto}.tickets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.ticket{border-left:6px solid #bac0d3}.ticket.new{border-left-color:var(--red);box-shadow:0 0 0 1px rgba(255,31,45,.08),0 0 24px rgba(255,31,45,.12)}.ticket.open{border-left-color:#f1a51b}.ticket.resolved,.ticket.closed{border-left-color:var(--green)}.ticket-top{display:flex;justify-content:space-between;gap:16px}.brand{font-weight:800;color:var(--violet)}.badge{background:#eef0f8;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.ticket h2{margin:14px 0 5px}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#4b59ce;font-weight:800}.ticket p{margin:10px 0;color:#505a79}.ticket time{color:var(--muted);font-size:13px}.open-ticket,.close{display:inline-block;margin-top:14px;color:#4d56ce;font-weight:800;text-decoration:none}.empty{grid-column:1/-1;text-align:center;color:var(--muted)}.detail,.site-manager{margin-top:22px}.detail h2{margin:7px 0}.message{max-width:80%;padding:14px 16px;border-radius:16px;background:#edf0f8;margin:14px 0}.message.office{margin-left:auto;background:#e9e8ff}.message p{margin:6px 0}.message time{color:var(--muted);font-size:12px}.detail form{margin-top:22px}.site-manager summary{cursor:pointer;font-weight:900;font-size:18px}.site-manager>p{color:var(--muted);margin:12px 0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}@media(max-width:760px){header{padding:20px}main{padding:16px}.filters,.form-grid{grid-template-columns:1fr}.tickets{grid-template-columns:1fr}.user{align-items:flex-end;flex-direction:column}.message{max-width:100%}}