:root{--blue:#0f6cbd;--blue-dark:#0b4d89;--amber:#f59e0b;--text:#1f2937;--muted:#64748b;--bg:#f5f7fb;--card:#fff;--border:#dbe3ef;--radius:16px;--shadow:0 8px 24px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--blue);text-decoration:none}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;background:var(--blue);color:white;padding:16px 28px}.brand{font-weight:800;font-size:20px}.topbar nav{display:flex;flex-wrap:wrap;gap:12px}.topbar a{color:white;font-weight:700}.admin-link{background:rgba(255,255,255,.16);padding:6px 10px;border-radius:999px}.container{max-width:1260px;margin:0 auto;padding:26px}.footer{text-align:center;color:var(--muted);padding:24px}.card,.auth-card,.page-title{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:22px}.page-title h1,.card h1,.auth-card h1{margin-top:0;color:var(--blue)}.auth-card{max-width:460px;margin:46px auto}.form{display:grid;gap:14px}.form label{font-weight:700}.form input,.form select,.form textarea,table input,table select{width:100%;margin-top:5px;border:1px solid var(--border);border-radius:10px;padding:10px;font-size:15px}.inline-form{grid-template-columns:repeat(5,minmax(120px,1fr));align-items:end}.btn{display:inline-block;border:0;background:var(--blue);color:white;padding:11px 16px;border-radius:10px;font-weight:800;cursor:pointer;text-decoration:none}.btn.secondary{background:#475569}.btn.small{padding:7px 10px;font-size:13px}.flash{padding:14px 16px;border-radius:12px;margin-bottom:18px;background:#dcfce7;border:1px solid #86efac;color:#166534}.flash-error{background:#fee2e2;border-color:#fecaca;color:#991b1b}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.stat strong{display:block;font-size:36px;color:var(--blue);line-height:1}.stat span{color:var(--muted);font-weight:700}.table-card{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--border);padding:12px;vertical-align:top}th{background:#f0f4f8}small{color:var(--muted)}.badge{display:inline-block;border-radius:999px;padding:4px 10px;font-weight:800;font-size:12px}.status-open{background:#fff7ed;color:#9a3412}.status-working{background:#dbeafe;color:#1d4ed8}.status-closed{background:#dcfce7;color:#166534}.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.filters a{background:white;border:1px solid var(--border);padding:8px 12px;border-radius:999px;font-weight:700}.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:22px}.ticket-text{background:#f8fafc;border:1px solid var(--border);border-radius:12px;padding:16px}.attachments{list-style:none;padding:0}.attachments li{padding:10px 0;border-bottom:1px solid var(--border)}.message{border-left:4px solid var(--blue);background:#f8fafc;padding:14px;border-radius:10px;margin:12px 0}.message.internal{border-left-color:var(--amber);background:#fff8dd}.bar-chart{display:grid;gap:10px}.bar-row{display:grid;grid-template-columns:190px 1fr 70px;gap:12px;align-items:center}.bar-bg{height:18px;background:#e5e7eb;border-radius:999px;overflow:hidden}.bar{height:100%;background:#0f6cbd;border-radius:999px}@media(max-width:900px){.stats-grid,.detail-grid,.inline-form{grid-template-columns:1fr}.bar-row{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}}