@font-face { font-family: 'Inter'; font-weight: 400; font-display: swap; src: url('fonts/inter-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 500; font-display: swap; src: url('fonts/inter-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 600; font-display: swap; src: url('fonts/inter-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-weight: 700; font-display: swap; src: url('fonts/inter-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Oswald'; font-weight: 600; font-display: swap; src: url('fonts/oswald-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 400; font-display: swap; src: url('fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 500; font-display: swap; src: url('fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2'); }

:root {
  --bg: #09090A; --bg-2: #0E0E10; --panel: #131316; --panel-2: #18181C;
  --line: rgba(255,255,255,0.07); --line-2: rgba(255,255,255,0.12);
  --green: #7DB63A; --green-2: #9FCD5E; --green-dim: rgba(125,182,58,0.12);
  --amber: #FBBF24; --amber-dim: rgba(251,191,36,0.12);
  --red: #F87171; --red-dim: rgba(248,113,113,0.12);
  --text: #F4F4F5; --text-2: rgba(244,244,245,0.74); --text-3: rgba(244,244,245,0.52); --text-4: rgba(244,244,245,0.34);
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font: 15px/1.55 'Inter', system-ui, sans-serif; -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--green-2); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: var(--green); color: #0A1402; }
:focus-visible { outline: 2px solid var(--green-2); outline-offset: 2px; border-radius: 6px; }
.mono { font-family: 'IBM Plex Mono', monospace; }
.muted { color: var(--text-3); }
.small { font-size: 13px; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
main { flex: 1; padding: 28px 0 60px; }
h1 { font-size: 26px; font-weight: 700; letter-spacing: -.01em; margin-bottom: 6px; }
h2 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
p + p { margin-top: 8px; }

/* header */
.top { border-bottom: 1px solid var(--line); background: rgba(9,9,10,.85); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 10; }
.top .wrap { display: flex; align-items: center; gap: 24px; height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { height: 26px; width: auto; }
.brand-word { font-family: 'Oswald', sans-serif; font-weight: 600; text-transform: uppercase; font-size: 18px; letter-spacing: .025em; }
.brand-word .y { color: var(--green); }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a, .nav button.link { color: var(--text-2); padding: 7px 12px; border-radius: 8px; font-size: 14px; }
.nav a:hover, .nav button.link:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav a.on { color: var(--text); background: var(--panel); }
.nav form { display: inline; }

/* buttons & forms */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line-2); background: var(--panel-2); color: var(--text); padding: 10px 16px; border-radius: 10px; font: 600 14px 'Inter', sans-serif; cursor: pointer; transition: background .15s, border-color .15s, transform .05s; text-decoration: none !important; }
.btn:hover { border-color: rgba(255,255,255,.22); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--green); border-color: var(--green); color: #0A1402; }
.btn.primary:hover { background: var(--green-2); border-color: var(--green-2); }
.btn.danger { color: var(--red); border-color: rgba(248,113,113,.35); background: transparent; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 11px; font-size: 13px; border-radius: 8px; }
.btn[disabled], .btn.busy { opacity: .55; cursor: not-allowed; }
button.link { background: none; border: 0; font: inherit; cursor: pointer; color: var(--green-2); }
label { display: block; font-size: 12.5px; color: var(--text-3); margin-bottom: 5px; font-weight: 500; }
input:not([type]), input[type=text], input[type=email], input[type=date], input[type=number], select, textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--line-2); color: var(--text); border-radius: 9px; padding: 9px 11px; font: 14px 'Inter', sans-serif; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-dim); }
.field { margin-bottom: 14px; }
.field.doubt input { border-color: var(--amber); background: var(--amber-dim); }
.field .hint { font-size: 12px; color: var(--amber); margin-top: 4px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 14px; }

/* panels */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.panel + .panel { margin-top: 16px; }
.row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.stack > * + * { margin-top: 16px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font: 500 12px 'IBM Plex Mono', monospace; padding: 3px 9px; border-radius: 99px; background: var(--panel-2); color: var(--text-2); border: 1px solid var(--line); white-space: nowrap; }
.pill.green { background: var(--green-dim); color: var(--green-2); border-color: rgba(125,182,58,.3); }
.pill.amber { background: var(--amber-dim); color: var(--amber); border-color: rgba(251,191,36,.3); }
.pill.red { background: var(--red-dim); color: var(--red); border-color: rgba(248,113,113,.3); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.spin { width: 12px; height: 12px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* alerts */
.alert { border-radius: 12px; padding: 13px 16px; margin-bottom: 18px; border: 1px solid; font-size: 14px; }
.alert.ok { background: var(--green-dim); border-color: rgba(125,182,58,.3); color: var(--green-2); }
.alert.error { background: var(--red-dim); border-color: rgba(248,113,113,.3); color: #FCA5A5; }
.alert.warn { background: var(--amber-dim); border-color: rgba(251,191,36,.3); color: #FCD34D; }
.alert ul { margin: 6px 0 0 18px; }

/* auth */
.auth { max-width: 420px; margin: 7vh auto 0; }
.auth .panel { padding: 30px; }
.auth h1 { font-size: 24px; }
.auth .btn { width: 100%; margin-top: 4px; }

/* usage bar */
.usage { display: grid; grid-template-columns: 1fr auto; gap: 14px 22px; align-items: center; }
.bar { height: 8px; border-radius: 99px; background: var(--panel-2); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--green); border-radius: 99px; }
.bar.over i { background: var(--amber); }

/* dropzone */
.drop { border: 1.5px dashed var(--line-2); border-radius: var(--radius); padding: 38px 20px; text-align: center; background: var(--bg-2); transition: border-color .15s, background .15s; cursor: pointer; }
.drop:hover, .drop.over { border-color: var(--green); background: var(--green-dim); }
.drop strong { display: block; font-size: 17px; margin-bottom: 4px; }
.drop.disabled { opacity: .5; pointer-events: none; }

/* table */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font: 500 11.5px 'IBM Plex Mono', monospace; text-transform: uppercase; letter-spacing: .06em; color: var(--text-4); padding: 0 10px 10px; border-bottom: 1px solid var(--line); }
td { padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; }
tr.click:hover td { background: rgba(255,255,255,.02); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { text-align: center; padding: 30px; color: var(--text-3); }

/* review */
.review { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.doc { position: sticky; top: 80px; height: calc(100vh - 110px); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #2a2a2e; }
.doc iframe, .doc img { width: 100%; height: 100%; border: 0; object-fit: contain; display: block; }
.lines { width: 100%; }
.lines td { padding: 5px 4px; border: 0; }
.lines input { padding: 7px 9px; }
.lines .rm { color: var(--text-4); background: none; border: 0; cursor: pointer; font-size: 18px; padding: 0 6px; }
.lines .rm:hover { color: var(--red); }
.sum { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: var(--bg-2); font: 13px 'IBM Plex Mono', monospace; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.sum.ok { color: var(--green-2); }
.sum.bad { color: var(--amber); }
.actions { position: sticky; bottom: 0; background: linear-gradient(transparent, var(--bg) 30%); padding: 18px 0 6px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan { display: flex; flex-direction: column; }
.plan.rec { border-color: rgba(125,182,58,.45); box-shadow: 0 0 0 1px rgba(125,182,58,.25), 0 20px 50px -25px rgba(125,182,58,.4); }
.plan .price { font-size: 34px; font-weight: 700; margin: 8px 0 2px; }
.plan .price small { font-size: 14px; color: var(--text-3); font-weight: 500; }
.plan ul { list-style: none; margin: 14px 0 20px; flex: 1; }
.plan li { padding: 4px 0 4px 22px; position: relative; color: var(--text-2); font-size: 14px; }
.plan li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 10px; height: 5px; border-left: 2px solid var(--green); border-bottom: 2px solid var(--green); transform: rotate(-45deg); }
.plan form .btn { width: 100%; }

footer { border-top: 1px solid var(--line); color: var(--text-4); font-size: 12.5px; padding: 18px 0; }
footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--text-3); }

/* receipt (print) */
.receipt { background: #fff; color: #111; max-width: 760px; margin: 0 auto; padding: 48px; border-radius: 6px; }
.receipt h1 { color: #111; }
.receipt table td, .receipt table th { border-color: #e5e5e5; color: #111; }
.receipt .muted { color: #666; }

@media (max-width: 900px) {
  .review, .plans { grid-template-columns: 1fr; }
  .doc { position: static; height: 60vh; }
  .grid3 { grid-template-columns: 1fr 1fr; }
  .hide-sm { display: none; }
}
@media (max-width: 560px) {
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .top .wrap { gap: 10px; }
  .nav a, .nav button.link { padding: 6px 8px; font-size: 13px; }
}
@media print {
  .top, footer, .noprint { display: none !important; }
  body { background: #fff; }
  main { padding: 0; }
  .receipt { padding: 0; }
}
.plans .panel + .panel { margin-top: 0; }
@media (max-width: 560px) { .brand-word { display: none; } .nav { gap: 0; } }