:root{
  --bg:#f4f6fb; --panel:#fff; --ink:#1a2233; --muted:#6b7488; --line:#e3e7ef;
  --primary:#1e6fff; --primary-ink:#fff; --ok:#1a9d5a; --warn:#c98a00; --err:#d64545;
  --radius:10px; --shadow:0 1px 3px rgba(20,30,60,.08),0 6px 20px rgba(20,30,60,.05);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.5;font-size:15px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:1.5rem;margin:.2em 0 .6em}
h2{font-size:1.15rem}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem}
.nowrap{white-space:nowrap}
.mt{margin-top:1rem}
.req{color:var(--err)}

/* Layout */
.container{max-width:920px;margin:1.4rem auto;padding:0 1rem}
.container--wide{max-width:1200px}
.topbar{display:flex;justify-content:space-between;align-items:center;background:#0b1f44;color:#fff;padding:.7rem 1.1rem}
.topbar--admin{background:#111a2e}
.topbar__brand{color:#fff;font-weight:700}
.topbar__nav{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.topbar__nav a{color:#cfe0ff}
.linkbtn{background:none;border:0;color:#cfe0ff;cursor:pointer;font:inherit}
.inline{display:inline}

/* Panels & tables */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1rem 1.1rem;margin:1rem 0;box-shadow:var(--shadow)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:var(--radius);overflow:hidden}
.table th,.table td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--line);vertical-align:middle}
.table th{background:#fafbfe;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.table--sm td,.table--sm th{padding:.4rem .5rem;font-size:.86rem}
.row--alert{background:#fff5f5}

/* Badges */
.badge{display:inline-block;padding:.12em .55em;border-radius:999px;font-size:.72rem;font-weight:600}
.badge--ok{background:#e3f6ec;color:var(--ok)}
.badge--warn{background:#fdf3dd;color:var(--warn)}
.badge--err{background:#fde5e5;color:var(--err)}
.badge--muted{background:#eef1f6;color:var(--muted)}

/* Forms */
.form label{display:block;margin:.5rem 0;font-weight:600;font-size:.9rem}
.form input,.form select,.form textarea{width:100%;padding:.55rem .65rem;border:1px solid var(--line);
  border-radius:8px;font:inherit;background:#fff;margin-top:.25rem;font-weight:400}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--primary);border-color:var(--primary)}
.form fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:.8rem 1rem;margin:1rem 0}
.form legend{font-weight:700;padding:0 .4rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.6rem}
.check{display:flex;align-items:center;gap:.5rem;font-weight:400}
.check.inline{display:inline-flex}
.check input{width:auto;margin:0}
.row-gap{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.inline-form{display:flex;gap:.5rem;align-items:center}
.searchbar{display:flex;gap:.5rem;margin:.5rem 0 1rem}
.searchbar input{flex:1;padding:.5rem .6rem;border:1px solid var(--line);border-radius:8px}

/* Buttons */
.btn{display:inline-block;padding:.55rem .9rem;border-radius:8px;border:1px solid transparent;
  background:#eef1f6;color:var(--ink);cursor:pointer;font:inherit;font-weight:600;text-align:center}
.btn:hover{text-decoration:none;filter:brightness(.97)}
.btn--sm{padding:.32rem .6rem;font-size:.82rem}
.btn--primary{background:var(--primary);color:#fff}
.btn--ok{background:var(--ok);color:#fff}
.btn--danger{background:var(--err);color:#fff}
.btn--ghost{background:transparent;border-color:var(--line)}

/* Flash */
.flash-stack{margin:.6rem 0}
.flash{padding:.6rem .8rem;border-radius:8px;margin:.4rem 0;font-size:.9rem;border:1px solid transparent}
.flash--success{background:#e3f6ec;color:#12683c;border-color:#bfe6cf}
.flash--error{background:#fde5e5;color:#a12a2a;border-color:#f3c2c2}
.flash--warning{background:#fdf3dd;color:#8a6100;border-color:#f0dfae}
.flash--info{background:#e7f0ff;color:#1a4fb0;border-color:#c3d7fb}

/* Auth */
.auth-body{display:flex;min-height:100vh;align-items:center;justify-content:center}
.auth-wrap{width:100%;max-width:440px;padding:1rem}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.6rem;box-shadow:var(--shadow)}
.brand{font-size:1.1rem;color:var(--primary);margin:0 0 1rem}
.price{font-size:1.05rem}

/* Dashboard rows */
.card-row{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--line);gap:1rem}
.card-row:last-child{border-bottom:0}

@media (max-width:720px){
  .grid2,.grid3,.two-col{grid-template-columns:1fr}
  .topbar{flex-direction:column;gap:.5rem;align-items:flex-start}
}