:root{--red:#d71920;--dark:#172033;--line:#e8edf5;--muted:#697386;--bg:#f6f8fb;--card:#fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--dark)}a{text-decoration:none;color:inherit}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff 0%,#f6f8fb 45%,#fff0f1 100%);padding:24px}.login-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 25px 80px rgba(23,32,51,.13);padding:30px}.brand{display:flex;gap:12px;align-items:center;margin-bottom:25px}.logo{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--red),#ff6a6f);display:grid;place-items:center;color:#fff;font-weight:900}.brand h1{font-size:19px;margin:0}.brand p{margin:4px 0 0;color:var(--muted);font-size:13px}.form label{font-size:13px;font-weight:700}.input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;margin:7px 0 14px;font-size:14px}.btn{border:0;border-radius:12px;padding:11px 15px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.btn-red{background:var(--red);color:#fff}.btn-dark{background:var(--dark);color:#fff}.btn-light{background:#fff;border:1px solid var(--line);color:var(--dark)}.btn-full{width:100%;justify-content:center}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background:#fff;border-right:1px solid var(--line);padding:20px;position:fixed;height:100vh}.sidebar .brand{margin-bottom:22px}.nav a{display:flex;padding:12px 14px;border-radius:12px;color:#455066;margin-bottom:6px;font-weight:700}.nav a:hover,.nav a.active{background:#fff1f2;color:var(--red)}.main{margin-left:260px;width:calc(100% - 260px)}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 26px;position:sticky;top:0;z-index:5}.content{padding:26px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 8px 25px rgba(23,32,51,.04)}.stat b{font-size:28px}.stat span{display:block;color:var(--muted);font-size:13px;margin-top:5px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}.table th,.table td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.table th{background:#fafbfc;color:#596273}.badge{padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.ok{background:#e9fbf0;color:#16803a}.warn{background:#fff8e7;color:#a06100}.bad{background:#fff1f2;color:#b91c1c}.actions{display:flex;gap:8px;flex-wrap:wrap}.page-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.page-title h2{margin:0}.alert{padding:12px 14px;border-radius:12px;margin-bottom:15px;background:#eef7ff;border:1px solid #cfe8ff;color:#12537e}@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.layout{display:block}.main{margin-left:0;width:100%}.grid{grid-template-columns:repeat(2,1fr)}.topbar{padding:0 15px}.content{padding:15px}.table{display:block;overflow-x:auto}}@media(max-width:520px){.grid{grid-template-columns:1fr}.login-card{padding:22px}.page-title{display:block}.page-title .actions{margin-top:12px}}