:root{
  --teal:#0f4c5c; --teal2:#14606f; --gold:#e0a458;
  --bg:#f4f7f8; --card:#fff; --ink:#1f2a33; --muted:#5a6b75; --line:#dde5e8;
  --ok:#2e9e5b; --bad:#d65a4a;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--teal2);text-decoration:none}

/* ---------- Login ---------- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--teal),var(--teal2));padding:20px}
.auth-card{background:var(--card);width:100%;max-width:360px;border-radius:16px;
  padding:30px 26px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.auth-card h1{font-size:22px;color:var(--teal);text-align:center;margin-bottom:4px;letter-spacing:.5px}
.auth-card .sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-size:17px;outline:none;transition:border-color .15s}
.field input:focus{border-color:var(--teal2)}
.btn{width:100%;padding:14px;border:none;border-radius:10px;background:var(--teal);color:#fff;
  font-size:16px;font-weight:600;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--teal2)}
.err{background:#fdecea;color:var(--bad);border:1px solid #f5c6c0;
  border-radius:8px;padding:10px 12px;font-size:13px;margin-bottom:16px;text-align:center}

/* ---------- App shell ---------- */
.topbar{background:var(--teal);color:#fff;padding:14px 18px;display:flex;align-items:center;
  justify-content:space-between;position:sticky;top:0;z-index:10}
.topbar .brand{font-weight:700;letter-spacing:.5px}
.topbar .who{font-size:13px;opacity:.85}
.topbar a.out{color:#cfe6ea;font-size:13px}
.wrap{max-width:1100px;margin:0 auto;padding:18px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.tile{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;
  display:block;transition:transform .12s,box-shadow .12s}
.tile:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,76,92,.10)}
.tile .ico{font-size:26px;margin-bottom:8px}
.tile .t{font-weight:600;color:var(--teal);font-size:16px}
.tile .d{color:var(--muted);font-size:13px;margin-top:3px}
.tile.soon{opacity:.6}
.tile.soon .badge{display:inline-block;margin-top:8px;font-size:11px;background:#eef3f4;
  color:var(--muted);padding:2px 8px;border-radius:10px}
.section-title{color:var(--teal);font-size:14px;text-transform:uppercase;letter-spacing:1px;
  margin:6px 4px 10px}

/* bottom nav (worker app, future) */
.bnav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);
  display:flex;justify-content:space-around;padding:8px 0}
@media(min-width:680px){.bnav{display:none}}