:root {
  --navy: #13223F; --navy-2: #1E3159; --gold: #F2A91E; --gold-d: #D9920C; --red: #B5312B;
  --ink: #1F2937; --muted: #6B7280; --line: #E5E7EB; --bg: #F3F5F9; --card: #FFFFFF;
  --ok: #157347; --ok-bg: #E8F5EE; --warn: #8A5A00; --warn-bg: #FFF7E6; --err: #B42318; --err-bg: #FDECEA;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: #1D4ED8; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* header */
.top { background: var(--navy); color: #fff; border-bottom: 4px solid var(--gold); }
.top .wrap { display: flex; align-items: center; gap: 14px; height: 64px; }
.top img { width: 38px; height: 38px; }
.brand { font-weight: 700; letter-spacing: .3px; }
.brand small { display: block; font-weight: 400; color: #AEB8CC; font-size: 12px; letter-spacing: 0; }
.top nav { margin-left: auto; display: flex; gap: 6px; align-items: center; }
.top nav a, .top nav button { color: #D6DCE8; text-decoration: none; font: inherit; font-size: 14px;
  background: none; border: 0; padding: 8px 10px; border-radius: 6px; cursor: pointer; }
.top nav a:hover, .top nav button:hover { background: var(--navy-2); color: #fff; }

main { padding: 28px 0 60px; }
h1 { font-size: 24px; margin: 0 0 4px; color: var(--navy); }
h2 { font-size: 17px; margin: 0 0 12px; color: var(--navy); }
.sub { color: var(--muted); margin: 0 0 22px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 20px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }

/* flash + banners */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; border: 1px solid; }
.flash.ok { background: var(--ok-bg); color: var(--ok); border-color: #BFE3CF; }
.flash.error { background: var(--err-bg); color: var(--err); border-color: #F5C2BD; }
.banner { background: var(--warn-bg); color: var(--warn); border: 1px solid #F3D9A4; border-left: 4px solid var(--gold);
  padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }

/* buttons + inputs */
.btn { display: inline-flex; align-items: center; gap: 8px; font: inherit; font-weight: 600; font-size: 14px;
  padding: 10px 18px; border-radius: 8px; border: 1px solid transparent; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn-primary:hover { background: var(--gold-d); border-color: var(--gold-d); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-2); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: #C9CED6; }
.btn-danger { background: #fff; color: var(--err); border-color: #F5C2BD; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
input[type=text], input[type=email], input[type=password] { font: inherit; padding: 10px 12px; border: 1px solid #CBD2DC;
  border-radius: 8px; width: 100%; background: #fff; }
input:focus { outline: 2px solid #93C5FD; border-color: #60A5FA; }
label { font-weight: 600; font-size: 13px; display: block; margin-bottom: 6px; color: #374151; }
.row { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.row > .grow { flex: 1; min-width: 220px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14px; }
.check input { margin-top: 3px; width: 16px; height: 16px; }

/* dropzone */
.drop { border: 2px dashed #C3CBD8; border-radius: var(--radius); padding: 36px 20px; text-align: center; background: #FAFBFD;
  cursor: pointer; transition: .15s; }
.drop.over, .drop:hover { border-color: var(--gold); background: #FFFBF2; }
.drop strong { color: var(--navy); font-size: 16px; }
.drop p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.drop .fname { margin-top: 10px; font-weight: 600; color: var(--ok); }
.drop input { display: none; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 20px; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 26px; line-height: 1.1; color: var(--navy); font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); font-weight: 600; }
.stat.good b { color: var(--ok); } .stat.bad b { color: var(--err); } .stat.warn b { color: var(--warn); }

/* table */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted);
  padding: 10px 12px; border-bottom: 1px solid var(--line); background: #FAFBFD; white-space: nowrap; }
td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td .mono { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.issue { color: var(--err); font-size: 13px; } .note { color: var(--muted); font-size: 13px; }
.pill { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.pill.ready { background: #E8EEFB; color: #1D4ED8; } .pill.sent, .pill.done { background: var(--ok-bg); color: var(--ok); }
.pill.invalid, .pill.failed { background: var(--err-bg); color: var(--err); }
.pill.duplicate, .pill.skipped, .pill.paused, .pill.cancelled { background: #F1F2F4; color: #4B5563; }
.pill.review { background: var(--warn-bg); color: var(--warn); } .pill.sending { background: #FFF1D6; color: #8A5A00; }
.carrier { font-size: 11px; font-weight: 700; color: var(--muted); margin-right: 4px; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.tabs button { font: inherit; font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.tabs button.on { background: var(--navy); color: #fff; border-color: var(--navy); }

/* preview + progress */
.preview { width: 100%; height: 720px; border: 1px solid var(--line); border-radius: 8px; background: #EEF1F6; }
.bar { height: 12px; background: #E5E7EB; border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-d)); width: 0; transition: width .6s; }
.muted { color: var(--muted); } .small { font-size: 13px; }
.empty { text-align: center; padding: 30px; color: var(--muted); }

/* login */
.login { max-width: 380px; margin: 8vh auto; }
.login .card { padding: 30px; }
.login img { width: 72px; display: block; margin: 0 auto 12px; }
.login h1 { text-align: center; font-size: 20px; } .login .sub { text-align: center; }
.stack > * + * { margin-top: 14px; }