:root {
    --bg: #f4f7f5;
    --panel: #ffffff;
    --text: #1c2522;
    --muted: #68746f;
    --line: #dbe3df;
    --primary: #256d4f;
    --primary-dark: #174934;
    --accent: #c58b22;
    --danger: #b73535;
    --shadow: 0 12px 30px rgba(28, 37, 34, .08);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
}
a { color: inherit; text-decoration: none; }
input, select, button {
    font: inherit;
}
button, a.btn, input, select {
    touch-action: manipulation;
}
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 250px;
    background: #17231f;
    color: #fff;
    padding: 22px 16px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.brand strong { display: block; font-size: 20px; }
.brand span { display: block; color: #b7c5bf; margin-top: 4px; }
nav { display: grid; gap: 4px; }
nav a {
    padding: 11px 12px;
    border-radius: 8px;
    color: #dce6e1;
}
nav a.active, nav a:hover { background: #263a33; color: #fff; }
.main {
    margin-left: 250px;
    padding: 26px;
}
.topbar {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    margin-bottom: 20px;
}
h1, h2, h3 { margin: 0 0 12px; }
h1 { font-size: 28px; }
h2 { font-size: 18px; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.period-picker select, input, select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 11px;
    background: #fff;
    min-height: 42px;
}
.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
    box-shadow: var(--shadow);
    margin-bottom: 18px;
}
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}
.stat {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
    box-shadow: var(--shadow);
}
.stat span { color: var(--muted); display: block; margin-bottom: 8px; }
.stat strong { font-size: 24px; }
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px;
}
.form-grid h2, .form-grid .full, .form-grid button { grid-column: 1 / -1; }
.permissions { grid-column: 1 / -1; overflow-x: auto; }
label { display: grid; gap: 6px; color: var(--muted); }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.check input { width: auto; min-height: auto; }
.btn {
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
    padding: 10px 13px;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { background: transparent; color: #fff; border-color: #3b5149; }
.btn.full { width: 100%; }
.btn.small { min-height: 32px; padding: 6px 10px; }
.inline, .actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.actions { margin-bottom: 16px; }
.actions form { margin: 0; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
th, td {
    border-bottom: 1px solid var(--line);
    text-align: left;
    padding: 10px 8px;
    vertical-align: top;
}
th { color: #4b5753; background: #f7faf8; }
tfoot th, .total-row td { font-weight: 700; background: #eef5f1; }
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    background: #edf4ef;
    color: var(--primary-dark);
}
.alert {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    border: 1px solid var(--line);
    background: #fff;
}
.alert.success { border-color: #9ecbad; background: #eff9f2; }
.alert.danger { border-color: #e6a3a3; background: #fff1f1; }
.bars {
    display: flex;
    align-items: end;
    gap: 14px;
    min-height: 220px;
}
.bars div { flex: 1; display: grid; gap: 8px; align-items: end; text-align: center; color: var(--muted); }
.bars i { display: block; background: var(--primary); border-radius: 6px 6px 0 0; }
.bars b { font-size: 12px; color: var(--text); }
.summary {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
}
.summary p {
    margin: 0;
    padding: 12px;
    background: #f7faf8;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
}
.summary strong { display: block; color: var(--text); font-size: 18px; margin-top: 4px; }
.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}
.login-panel {
    width: min(420px, 100%);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 28px;
    box-shadow: var(--shadow);
}
.stack { display: grid; gap: 14px; }

@media (max-width: 920px) {
    body { font-size: 16px; }
    .sidebar {
        position: sticky;
        top: 0;
        z-index: 5;
        width: auto;
        padding: 14px;
    }
    .brand { display: flex; justify-content: space-between; gap: 10px; align-items: end; }
    nav {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 4px;
    }
    nav a {
        flex: 0 0 auto;
        white-space: nowrap;
        padding: 10px 12px;
    }
    .main { margin-left: 0; padding: 18px; }
    .cards, .grid.two, .summary { grid-template-columns: 1fr; }
    .topbar { align-items: stretch; flex-direction: column; }
    .form-grid { grid-template-columns: 1fr; }
    .btn { width: 100%; min-height: 46px; }
    .inline .btn, .actions .btn { width: auto; }
    .actions { align-items: stretch; }
    .actions form, .actions .inline { width: 100%; }
    input, select { min-height: 46px; font-size: 16px; }
    table { display: block; overflow-x: auto; white-space: nowrap; }
}

@media print {
    .sidebar, .topbar, .actions, .alert { display: none !important; }
    .main { margin: 0; padding: 0; }
    body { background: #fff; }
    .panel { box-shadow: none; border: 0; padding: 0; }
    .report h2 { text-align: center; font-size: 16px; margin-bottom: 12px; }
    table { font-size: 11px; }
    th, td { padding: 5px 4px; }
    .summary { grid-template-columns: repeat(5, 1fr); }
    @page { size: A4 landscape; margin: 10mm; }
}