:root {
    --bg: #f3efe6;
    --bg-deep: #e7e0d2;
    --ink: #1c1915;
    --muted: #5e584e;
    --line: #ddd4c4;
    --card: #fffdf8;
    --green: #0f6b4c;
    --green-dark: #0b3f2e;
    --amber: #8a5a12;
    --danger: #8d2f2f;
    --shadow: 0 18px 50px rgba(48, 36, 18, 0.08);
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
    --sans: "Segoe UI", "Be Vietnam Pro", sans-serif;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(15, 107, 76, 0.08), transparent 32rem),
        var(--bg);
    font-family: var(--sans);
    line-height: 1.5;
}
a { color: var(--green-dark); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 4vw, 3.6rem); line-height: 1.08; margin: 0 0 0.6rem; }
h2 { font-size: 1.7rem; margin: 0 0 0.6rem; }
p { color: var(--muted); }
code { font-family: Consolas, monospace; background: var(--bg-deep); padding: 0.1rem 0.35rem; border-radius: 4px; }

.site-header, .site-footer, main { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 0 8px;
}
.brand { display: flex; gap: 10px; align-items: center; text-decoration: none; color: inherit; }
.brand strong { display: block; font-size: 1.15rem; letter-spacing: 0.08em; }
.brand small { color: var(--muted); }
.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background:
        linear-gradient(#f4f1ea, #f4f1ea) 8px 10px / 20px 2px no-repeat,
        linear-gradient(#f4f1ea, #f4f1ea) 8px 16px / 14px 2px no-repeat,
        linear-gradient(#f4f1ea, #f4f1ea) 8px 22px / 20px 2px no-repeat,
        var(--green);
}
.site-nav { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.site-nav a.is-active { color: var(--green-dark); font-weight: 700; }
.site-nav a, .linkish {
    text-decoration: none;
    color: var(--ink);
    background: none;
    border: 0;
    font: inherit;
    cursor: pointer;
    padding: 0;
}
.nav-user { color: var(--muted); }
.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 0 40px;
    border-top: 1px solid var(--line);
    margin-top: 48px;
}
.footer-links { display: flex; gap: 16px; }
.flash {
    width: min(1120px, calc(100% - 32px));
    margin: 12px auto 0;
    padding: 12px 14px;
    border-radius: 12px;
    background: #fff4e8;
    color: var(--amber);
}
.flash-error { background: #fdecec; color: var(--danger); }

.button, button.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    background: var(--green);
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.15rem;
    font: inherit;
    cursor: pointer;
}
.button:hover { background: var(--green-dark); }
.button-small { padding: 0.45rem 0.85rem; }
.button-ghost, button.button-ghost {
    background: transparent;
    color: var(--green-dark);
    border: 1px solid var(--line);
}
.button[disabled], button:disabled { opacity: 0.55; cursor: wait; }

.hero, .split, .band, .tool-head, .doc, .auth-card { margin-top: 28px; }
.hero { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 36px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; color: var(--green); margin-bottom: 0.4rem; }
.lede { font-size: 1.08rem; max-width: 42rem; }
.hero-actions { display: flex; gap: 12px; margin-top: 18px; }
.invoice-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 22px;
    box-shadow: var(--shadow);
}
.invoice-top { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.invoice-lines span, .invoice-card dd {
    display: block;
    height: 8px;
    border-radius: 99px;
    background: var(--bg-deep);
    margin: 8px 0;
}
.invoice-lines .short { width: 60%; }
.invoice-card dl { display: grid; gap: 8px; margin: 18px 0 0; }
.invoice-card div { display: flex; justify-content: space-between; gap: 12px; }
.invoice-card dt { color: var(--muted); }
.invoice-card dd { width: 90px; margin: 0; background: var(--green); }

.band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.band article, .note-card, .panel, .auth-card, .doc {
    background: rgba(255, 253, 248, 0.9);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 20px;
}
.split { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 18px; }
.checklist { padding-left: 1.1rem; }
.checklist li { margin: 0.4rem 0; }
.note-card a { font-weight: 600; }

.auth-card { width: min(460px, 100%); margin-left: auto; margin-right: auto; }
.auth-card form, .panel label { display: grid; gap: 6px; }
label { font-size: 0.92rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], input[name="partner"], input[name="cvalue"], input[name="username"], select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: white;
    border-radius: 10px;
    padding: 0.7rem 0.8rem;
    font: inherit;
    color: inherit;
}
fieldset { border: 0; padding: 0; margin: 0 0 18px; }
legend { font-family: var(--serif); font-size: 1.25rem; margin-bottom: 10px; }
.form-foot { margin-bottom: 0; }
.tool-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 18px; align-items: start; }
.checks, .date-row, .quick-ranges, .row-actions, .captcha-row, .result-head {
    display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: end;
}
.checks label { display: flex; gap: 8px; align-items: center; }
.quick-ranges button {
    border: 1px solid var(--line);
    background: white;
    border-radius: 999px;
    padding: 0.35rem 0.7rem;
    font: inherit;
    cursor: pointer;
}
.status-pill {
    display: inline-block;
    border-radius: 999px;
    padding: 0.3rem 0.7rem;
    background: var(--bg-deep);
    color: var(--muted);
}
.status-pill.is-on { background: #e5f4ee; color: var(--green-dark); }
.captcha-row img {
    background: white;
    border: 1px solid var(--line);
    border-radius: 8px;
    height: 40px;
}
.result-head { justify-content: space-between; align-items: center; }
.progress { height: 8px; background: var(--bg-deep); border-radius: 99px; overflow: hidden; }
#progress-bar { display: block; height: 100%; width: 0; background: var(--green); }
.table-wrap { overflow: auto; margin: 12px 0 18px; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.num, td.num { text-align: right; white-space: nowrap; }
.empty { color: var(--muted); }
.log-list { padding-left: 1.1rem; margin: 0; }
.log-list li { margin: 0.35rem 0; }
.doc h1 { font-size: 2.4rem; }
.steps li, .doc li { margin: 0.45rem 0; }

@media (max-width: 860px) {
    .hero, .band, .split, .tool-grid, .site-footer { grid-template-columns: 1fr; display: grid; }
    .site-header { align-items: flex-start; flex-direction: column; }
    .site-footer { display: flex; flex-direction: column; }
}