:root{
  --navy:#0b1530; --blue:#2f6bff; --green:#25c08a; --ink:#22314f;
  --muted:#6b7690; --line:#e6e9f0; --bg:#f4f6fb; --card:#ffffff; --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
     background:var(--bg);color:var(--ink);line-height:1.5}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:960px;margin:0 auto;padding:0 20px}

/* ---- top bar ---- */
.topbar{background:var(--navy);color:#fff}
.topbar-inner{display:flex;align-items:center;gap:16px;height:60px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.25rem}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--green));font-size:.85rem;font-weight:700}
.brand .grad{background:linear-gradient(135deg,#6ea0ff,#4ad6a8);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-sub{font-weight:400;color:#9aa4bd;font-size:.95rem}
.topnav a{color:#c7cede;padding:6px 10px;border-radius:8px}
.topnav a:hover{background:rgba(255,255,255,.08);text-decoration:none}
.spacer{flex:1}
.topbar .user{color:#9aa4bd;font-size:.85rem}
.topbar .user b{color:#fff}

main.container{padding-top:26px;padding-bottom:40px}

/* ---- headings ---- */
.page-title{font-size:1.5rem;font-weight:700;margin:0 0 4px}
.subtitle{color:var(--muted);margin:0 0 20px}

/* ---- cards ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px;overflow:hidden}
.card-header{padding:14px 18px;border-bottom:1px solid var(--line);font-weight:600}
.card-body{padding:18px}
.stat .label{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.stat .value{font-size:2rem;font-weight:700;color:var(--navy);line-height:1.1}

/* ---- table ---- */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 18px;border-bottom:1px solid var(--line);font-size:.95rem}
th{color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;font-weight:600}
tbody tr:last-child td{border-bottom:none}

/* ---- forms ---- */
label{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:5px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #d5dae6;border-radius:9px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,107,255,.15)}
.form-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.form-row .col{flex:1;min-width:150px}

/* ---- buttons ---- */
.btn{display:inline-block;border:none;cursor:pointer;font:inherit;font-weight:600;padding:10px 16px;border-radius:9px;background:var(--blue);color:#fff}
.btn:hover{background:#1f5bf0;text-decoration:none}
.btn-sm{padding:7px 12px;font-size:.85rem}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.muted{color:var(--muted)}

/* ---- footer ---- */
.footer{text-align:center;color:var(--muted);font-size:.85rem;padding:24px}

/* ---- login (light, not a wall of blue) ---- */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:var(--bg);padding:20px}
.login-card{width:100%;max-width:380px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 20px 50px rgba(11,21,48,.10);overflow:hidden}
.login-top{height:6px;background:linear-gradient(90deg,var(--blue),var(--green))}
.login-body{padding:30px}
.login-brand{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:16px;font-weight:700;font-size:1.35rem;color:var(--navy)}
.login-brand .grad{background:linear-gradient(135deg,var(--blue),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.login-title{text-align:center;font-size:1.05rem;margin:0 0 18px;color:var(--ink)}
.field{margin-bottom:14px}
.alert{padding:10px 13px;border-radius:9px;margin-bottom:14px;font-size:.9rem}
.alert-error{background:#fde8e8;color:#c0392b}
.alert-ok{background:#e5f8ef;color:#1a8f66}
.login-hint{text-align:center;color:var(--muted);font-size:.72rem;margin-top:14px}