:root {
    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-border: #e2e5ea;
    --color-text: #1f2430;
    --color-muted: #667085;
    --color-primary: #2f6f4f;
    --color-primary-dark: #235339;
    --color-danger: #b3261e;
    --color-danger-bg: #fdecea;
    --color-success-bg: #e8f5e9;
    --color-success-text: #1e6b34;
    --radius: 10px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #14161a;
        --color-surface: #1e2126;
        --color-border: #2c3038;
        --color-text: #e7e9ec;
        --color-muted: #9aa1ac;
        --color-primary: #4caf7d;
        --color-primary-dark: #3d9268;
        --color-danger: #ff6b63;
        --color-danger-bg: #3a2323;
        --color-success-bg: #1d3324;
        --color-success-text: #7fdb9e;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.page { min-height: 100vh; display: flex; flex-direction: column; position: relative; }

.lang-switch {
    position: absolute;
    top: 10px;
    right: 16px;
    display: flex;
    gap: 4px;
    z-index: 10;
}
.lang-switch a {
    padding: 4px 9px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 600;
}
.lang-switch a.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.lang-switch-inline { display: flex; gap: 4px; }
.lang-switch-inline a {
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 600;
}
.lang-switch-inline a.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.lang-switch-inline a:hover { text-decoration: none; }

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 14px 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.1rem; }
.mainnav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.mainnav a, .navuser a {
    padding: 8px 12px;
    border-radius: var(--radius);
    color: var(--color-text);
}
.mainnav a.active, .mainnav a:hover, .navuser a:hover {
    background: var(--color-bg);
    text-decoration: none;
}
.navuser { display: flex; align-items: center; gap: 8px; color: var(--color-muted); }
.logout { color: var(--color-danger) !important; }

.content { flex: 1; max-width: 1200px; width: 100%; margin: 0 auto; padding: 24px; }
.auth-content { max-width: 420px; }

h1 { font-size: 1.5rem; margin: 0 0 16px; }
h2 { font-size: 1.15rem; margin: 24px 0 12px; }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; }
.flash-success { background: var(--color-success-bg); color: var(--color-success-text); }
.flash-error { background: var(--color-danger-bg); color: var(--color-danger); }

label { display: block; font-size: 0.85rem; color: var(--color-muted); margin: 12px 0 4px; }
input, select, textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.95rem;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 0; }

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-top: 14px; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; color: var(--color-text); }

.btn {
    display: inline-block;
    padding: 9px 16px;
    border-radius: 8px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.95rem;
    cursor: pointer;
    margin-top: 16px;
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: var(--color-bg); }
.btn-danger { background: var(--color-danger); }
.btn-danger:hover { background: #8f1f18; }
.btn-small { padding: 5px 10px; font-size: 0.82rem; margin-top: 0; }

form.inline { display: inline; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--color-border); font-size: 0.92rem; }
th { color: var(--color-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr.total-row td { border-top: 2px solid var(--color-border); border-bottom: none; font-weight: 700; }
td.amount, th.amount { text-align: right; white-space: nowrap; }

.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 20px; }
.kpi { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; }
.kpi .label { color: var(--color-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.kpi .value { font-size: 1.5rem; font-weight: 700; margin-top: 4px; }
.kpi.kpi-main {
    grid-column: 1 / -1;
    padding: 22px 24px;
    border-width: 2px;
}
.kpi.kpi-main .label { font-size: 0.9rem; }
.kpi.kpi-main .value { font-size: 2.4rem; }
.kpi.kpi-main.positive { border-color: var(--color-success-text); background: var(--color-success-bg); }
.kpi.kpi-main.negative { border-color: var(--color-danger); background: var(--color-danger-bg); }
.value.negative { color: var(--color-danger); }
.value.positive { color: var(--color-success-text); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; background: var(--color-bg); color: var(--color-muted); }
.badge-admin { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-inactive { background: var(--color-danger-bg); color: var(--color-danger); }

.muted { color: var(--color-muted); }
.empty-state { color: var(--color-muted); padding: 20px 0; text-align: center; }

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

.year-switcher { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
.year-switcher a {
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}
.year-switcher a.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.year-switcher form { display: inline; margin-left: 8px; }
.year-switcher .btn-small { border-radius: 999px; }

.month-table-wrap { overflow-x: auto; }
table.month-grid { min-width: 640px; }
table.month-grid input[type="number"] {
    width: 78px;
    padding: 6px 8px;
    text-align: right;
    font-size: 0.9rem;
}
table.month-grid input.dirty { border-color: var(--color-primary); }
table.month-grid input.saved { border-color: var(--color-success-text); }
table.month-grid td.inactive-cell { color: var(--color-muted); text-align: center; }
table.month-grid th.amount, table.month-grid td.amount { text-align: right; }

.save-hint { font-size: 0.78rem; color: var(--color-muted); margin-top: 8px; }

table.month-grid input[disabled] { opacity: 0.6; }

.dashboard-columns { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); gap: 24px; align-items: start; }
@media (max-width: 900px) { .dashboard-columns { grid-template-columns: 1fr; } }
.dashboard-columns h2 { margin-top: 0; }
.col-side .card { margin-bottom: 20px; }

.mini-list { list-style: none; margin: 0; padding: 0; }
.mini-list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}
.mini-list li:last-child { border-bottom: none; }
.mini-sub { font-size: 0.75rem; }
.mini-total { text-align: right; margin: 10px 0 0; font-weight: 600; }

details.section { margin-bottom: 20px; }
details.section > summary {
    cursor: pointer;
    font-weight: 600;
    padding: 4px 0;
    list-style: none;
}
details.section > summary::-webkit-details-marker { display: none; }
details.section > summary::before { content: "▸ "; }
details.section[open] > summary::before { content: "▾ "; }