:root{
  --navy:#0b2e3a;--teal:#0d4250;--sea:#1f8a9c;--coral:#e8763a;--coral-2:#f0944b;
  --bg:#eef2f4;--card:#ffffff;--ink:#11313d;--muted:#64777f;--line:#e2e8ea;
  --ok:#1faf5a;--warn:#e3a008;--info:#2f80ed;--bad:#e5484d;
  --font-display:'Fraunces',Georgia,serif;--font-body:'DM Sans',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}

/* Login */
.login-page{min-height:100vh;display:grid;place-items:center;
  background:radial-gradient(900px 400px at 70% -10%,rgba(31,138,156,.5),transparent),linear-gradient(160deg,#0b2e3a,#0d4250)}
.login-box{background:#fff;border-radius:18px;padding:38px;width:100%;max-width:380px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.login-box .logo{font-family:var(--font-display);font-size:1.6rem;color:var(--navy);text-align:center;margin-bottom:4px;display:flex;align-items:center;justify-content:center;gap:8px}
.login-box .logo .dot{width:11px;height:11px;border-radius:50%;background:var(--coral)}
.login-box .tag{text-align:center;color:var(--muted);font-size:.88rem;margin-bottom:24px}
.login-box label{display:block;font-size:.82rem;font-weight:600;color:var(--teal);margin-bottom:6px;margin-top:14px}
.login-box input{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:.95rem;font-family:var(--font-body)}
.login-box input:focus{outline:none;border-color:var(--sea)}
.login-box button{width:100%;margin-top:22px;background:var(--coral);color:#fff;border:none;padding:13px;border-radius:10px;font-weight:600;font-size:1rem;cursor:pointer;font-family:var(--font-body);transition:.2s}
.login-box button:hover{background:var(--coral-2)}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:248px;background:var(--navy);color:#bcd4d8;padding:24px 0;position:fixed;top:0;bottom:0;left:0;display:flex;flex-direction:column}
.sidebar .brand{font-family:var(--font-display);font-size:1.35rem;color:#fff;padding:0 24px 22px;display:flex;align-items:center;gap:8px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:14px}
.sidebar .brand .dot{width:10px;height:10px;border-radius:50%;background:var(--coral)}
.sidebar nav a{display:flex;align-items:center;gap:12px;padding:12px 24px;font-size:.94rem;font-weight:500;transition:.18s;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar nav a.active{background:rgba(232,118,58,.16);color:#fff;border-left-color:var(--coral)}
.sidebar .foot{margin-top:auto;padding:16px 24px;font-size:.8rem;border-top:1px solid rgba(255,255,255,.1)}
.sidebar .foot a{color:var(--coral-2)}

.main{margin-left:248px;flex:1;display:flex;flex-direction:column}
.topnav{background:#fff;border-bottom:1px solid var(--line);padding:16px 30px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10}
.topnav h1{font-family:var(--font-display);font-size:1.4rem;color:var(--navy)}
.topnav .user{font-size:.9rem;color:var(--muted)}
.topnav .user b{color:var(--ink)}
.content{padding:30px}

/* Cards / stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.stat .lbl{font-size:.82rem;color:var(--muted);margin-bottom:8px}
.stat .val{font-family:var(--font-display);font-size:2rem;color:var(--navy)}
.stat .val.coral{color:var(--coral)}
.stat .ic{float:right;font-size:1.6rem;opacity:.5}

.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:24px}
.panel-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.panel-head h2{font-family:var(--font-display);font-size:1.2rem;color:var(--navy)}
.panel-body{padding:22px}

table.data{width:100%;border-collapse:collapse}
table.data th,table.data td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:.9rem}
table.data th{background:#f7f9fa;color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
table.data tr:hover td{background:#fafcfc}
table.data td.actions{white-space:nowrap;text-align:right}

.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:.76rem;font-weight:600}
.badge-warn{background:#fdf3d7;color:#9a6700}
.badge-info{background:#e0edfd;color:#1c5fc4}
.badge-ok{background:#dcf4e6;color:#137c43}
.badge-bad{background:#fbe0e1;color:#b3261e}

.btn{display:inline-flex;align-items:center;gap:6px;background:var(--coral);color:#fff;border:none;padding:9px 16px;border-radius:9px;font-weight:600;font-size:.86rem;cursor:pointer;font-family:var(--font-body);transition:.18s}
.btn:hover{background:var(--coral-2)}
.btn.sm{padding:6px 12px;font-size:.8rem}
.btn.ghost{background:#fff;color:var(--teal);border:1.5px solid var(--line)}
.btn.ghost:hover{background:#f7f9fa}
.btn.danger{background:var(--bad)}
.btn.danger:hover{background:#cf3438}
.btn.gray{background:#eef2f4;color:var(--muted)}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:14px}
.field.full{grid-column:1 / -1}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--teal);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:10px 13px;border:1.5px solid var(--line);border-radius:9px;font-family:var(--font-body);font-size:.92rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--sea)}

.flash{padding:13px 18px;border-radius:10px;margin-bottom:20px;font-size:.92rem}
.flash.ok{background:#dcf4e6;color:#137c43;border:1px solid #a7e0bf}
.flash.err{background:#fbe0e1;color:#b3261e;border:1px solid #f1b8ba}

.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.filters select,.filters input{padding:9px 12px;border:1.5px solid var(--line);border-radius:9px;font-family:var(--font-body);font-size:.88rem}

.price-matrix{width:100%;border-collapse:collapse}
.price-matrix th,.price-matrix td{padding:10px;border:1px solid var(--line);text-align:center}
.price-matrix th{background:var(--navy);color:#fff;font-size:.82rem}
.price-matrix td:first-child,.price-matrix th:first-child{text-align:left;background:#f7f9fa;font-weight:600;color:var(--navy)}
.price-matrix input{width:90px;padding:7px;border:1px solid var(--line);border-radius:7px;text-align:center;font-family:var(--font-body)}

.empty{text-align:center;padding:50px;color:var(--muted)}

@media(max-width:860px){
  .sidebar{width:70px}
  .sidebar .brand span,.sidebar nav a span.t,.sidebar .foot{display:none}
  .main{margin-left:70px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
}