/* JK Finance — base styles (v0.3) */
:root{
  --bg:#f4f6f9; --surface:#ffffff; --line:#e3e7ee; --text:#1c2430; --muted:#6a7585;
  --brand:#17325c; --brand-ink:#ffffff; --accent:#2a78d6;
  --jke:#2a78d6; --jkr:#1a9e75; --warn:#eb6834; --bad:#c8352e; --good:#1a9e75;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Nunito',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.45}
a{color:var(--accent);text-decoration:none}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}

/* top bar */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:10px 20px;background:var(--brand);color:var(--brand-ink)}
.brand{display:flex;align-items:center;gap:10px}
.brand b{display:block;font-weight:800;font-size:16px}
.brand small{display:block;opacity:.7;font-size:12px}
.logo{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:#fff;color:var(--brand);font-weight:800}
.co-switch{margin-left:auto;display:flex;background:rgba(255,255,255,.12);border-radius:999px;padding:3px}
.co-switch button{border:0;background:none;color:#fff;font:inherit;font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;cursor:pointer;opacity:.8}
.co-switch button.on{background:#fff;color:var(--brand);opacity:1}
.who{display:flex;gap:12px;align-items:center;font-size:13px}
.who a{color:#fff;opacity:.8}
.menu-btn{display:none;border:0;background:none;color:#fff;font-size:22px;cursor:pointer}

/* layout */
.shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 56px)}
.side{background:var(--surface);border-right:1px solid var(--line);padding:16px 10px;display:flex;flex-direction:column;gap:2px}
.side a{display:block;padding:9px 14px;border-radius:9px;color:var(--text);font-weight:600}
.side a:hover{background:var(--bg)}
.side a.on{background:#e8f0fb;color:var(--brand)}
main{padding:24px 28px;max-width:1280px;width:100%}
h1{font-size:22px;margin:0 0 4px}
.sub{color:var(--muted);margin:0 0 20px}

/* cards & tiles */
.grid{display:grid;gap:14px}
.tiles{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.tile .lbl{font-size:13px;color:var(--muted);font-weight:600}
.tile .val{font-size:24px;font-weight:800;margin-top:4px}
.tile .meta{font-size:12px;color:var(--muted);margin-top:2px}
.tile.jke{border-top:3px solid var(--jke)} .tile.jkr{border-top:3px solid var(--jkr)}
.section-title{font-size:15px;font-weight:800;margin:26px 0 10px}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left}
th{font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.03em}
td.r,th.r{text-align:right}
.pill{display:inline-block;font-size:12px;font-weight:700;padding:2px 9px;border-radius:999px;background:#eef1f5}
.pill.ok{background:#e3f5ee;color:#11704f} .pill.bad{background:#fbe6e4;color:#a12a24} .pill.warn{background:#fdeee6;color:#b04a1c}

.placeholder{border:1px dashed var(--line);border-radius:var(--radius);padding:40px;text-align:center;color:var(--muted);background:var(--surface)}
.loading{color:var(--muted);padding:40px 0}
.alert{background:#fbe6e4;color:#a12a24;border-radius:9px;padding:10px 12px;margin:0 0 12px;font-weight:600}

/* buttons & forms */
.btn{display:inline-block;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-weight:700;padding:9px 16px;border-radius:9px;cursor:pointer}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin:12px 0 0}
input,select,textarea{display:block;width:100%;margin-top:5px;font:inherit;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text)}

/* auth pages */
body.auth{display:grid;place-items:center;min-height:100vh;padding:16px}
.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:26px}
.auth-card .brand{margin-bottom:14px}
.auth-card .logo{background:var(--brand);color:#fff}
.auth-card .btn{width:100%;margin-top:18px}

/* mobile */
@media (max-width:820px){
  .menu-btn{display:block}
  .top{flex-wrap:wrap;padding:10px 16px}
  .co-switch{order:3;width:100%;margin:4px 0 0;justify-content:space-between}
  .co-switch button{flex:1;padding:6px 6px}
  .who small,.brand small{display:none}
  .shell{grid-template-columns:1fr}
  .side{position:fixed;top:0;left:0;bottom:0;width:240px;z-index:30;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  .side.open{transform:none}
  main{padding:18px 16px}
  .tiles{grid-template-columns:1fr 1fr}
  .tile .val{font-size:20px}
  .table-wrap{overflow-x:auto}
}