:root {
    --bg: #f4f1ea;
    --panel: #fffdf8;
    --ink: #25211b;
    --muted: #756d61;
    --line: #ddd3c4;
    --accent: #1d6f68;
    --accent-dark: #12524d;
    --gain: #16723a;
    --loss: #b83b31;
    --warn: #9b6b1d;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font: 15px/1.45 Georgia, 'Times New Roman', serif;
    background:
        linear-gradient(135deg, rgba(29, 111, 104, .08), transparent 32%),
        radial-gradient(circle at 80% 0%, rgba(184, 59, 49, .08), transparent 28%),
        var(--bg);
    color: var(--ink);
}

header, main {
    width: min(1180px, calc(100% - 28px));
    margin: 0 auto;
}

header {
    padding: 26px 0 14px;
}

h1, h2, h3 {
    margin: 0;
    line-height: 1.15;
}

h1 {
    font-size: clamp(28px, 4vw, 46px);
    letter-spacing: 0;
}

h2 {
    font-size: 22px;
}

h3 {
    font-size: 17px;
}

p {
    margin: 0;
}

.sub, .muted {
    color: var(--muted);
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
}

.nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav a, button, .button {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: white;
    border-radius: 7px;
    padding: 8px 12px;
    text-decoration: none;
    cursor: pointer;
    font: 600 14px/1.2 Georgia, 'Times New Roman', serif;
}

.nav a.secondary, button.secondary, .button.secondary {
    background: transparent;
    color: var(--accent-dark);
}

.compact {
    display: inline-block;
    padding: 5px 8px;
    font-size: 12px;
}

main {
    display: grid;
    gap: 18px;
    padding-bottom: 50px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
}

.card {
    background: rgba(255, 253, 248, .92);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 10px 24px rgba(64, 48, 24, .08);
}

.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.kpi strong {
    display: block;
    font-size: 24px;
}

.kpi span {
    color: var(--muted);
    font-size: 13px;
}

.quick {
    border-color: rgba(29, 111, 104, .45);
}

.quick h2 {
    margin-bottom: 10px;
}

.prefill {
    grid-template-columns: 1fr auto;
    align-items: end;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

code {
    background: #efe4d1;
    border-radius: 4px;
    padding: 1px 4px;
}

form {
    display: grid;
    gap: 10px;
}

.mode {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.mode label {
    display: flex;
    align-items: center;
    gap: 7px;
    width: auto;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fffaf0;
    color: var(--ink);
    padding: 7px 10px;
    font-size: 14px;
}

.mode input {
    width: auto;
}

.row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

label {
    display: grid;
    gap: 5px;
    color: var(--muted);
    font-size: 13px;
}

input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #fffaf0;
    color: var(--ink);
    padding: 9px 10px;
    font: 15px/1.3 Georgia, 'Times New Roman', serif;
}

textarea {
    min-height: 76px;
    resize: vertical;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 9px 8px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.num {
    text-align: right;
    white-space: nowrap;
}

.gain { color: var(--gain); font-weight: 700; }
.loss { color: var(--loss); font-weight: 700; }
.warn { color: var(--warn); font-weight: 700; }

.badge {
    display: inline-block;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 2px 8px;
    background: #f7efe0;
    color: var(--muted);
    font-size: 12px;
}

.actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.notice {
    border-left: 4px solid var(--warn);
}

.login {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 18px;
}

.login .card {
    width: min(420px, 100%);
}

@media (max-width: 760px) {
    .topbar, .row, .prefill {
        grid-template-columns: 1fr;
        display: grid;
    }

    .grid, .kpis {
        grid-template-columns: 1fr;
    }

    .span-4, .span-5, .span-6, .span-7, .span-8, .span-12 {
        grid-column: auto;
    }

    table, thead, tbody, th, td, tr {
        display: block;
    }

    thead {
        display: none;
    }

    tr {
        border-bottom: 1px solid var(--line);
        padding: 8px 0;
    }

    td {
        border: 0;
        padding: 5px 0;
    }

    td::before {
        content: attr(data-label);
        display: block;
        color: var(--muted);
        font-size: 12px;
        text-transform: uppercase;
        letter-spacing: .04em;
    }

    .num {
        text-align: left;
    }
}