:root {
    color-scheme: light;
    --bg: #f9f9f7;
    --panel: #fcfcfb;
    --border: #e1e0d9;
    --border-strong: #c3c2b7;
    --text: #0b0b0b;
    --text-muted: #52514e;
    --text-faint: #898781;
    --sidebar-bg: #111827;
    --sidebar-text: #cbd5e1;
    --sidebar-active: #3987e5;
    --accent: #2a78d6;
    --accent-ink: #ffffff;
    --series-actual: #2a78d6;
    --series-target: #eb6834;
    --series-budget: #eb6834;
    --series-last-year: #1baf7a;
    --good: #0ca30c;
    --warn: #fab219;
    --bad: #d03b3b;
    --neutral: #898781;
    --shadow: 0 1px 2px rgba(11,11,11,0.04), 0 4px 14px rgba(11,11,11,0.06);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --bg: #0d0d0d;
        --panel: #1a1a19;
        --border: #2c2c2a;
        --border-strong: #383835;
        --text: #ffffff;
        --text-muted: #c3c2b7;
        --text-faint: #898781;
        --accent: #3987e5;
        --accent-ink: #ffffff;
        --series-actual: #3987e5;
        --series-target: #d95926;
        --series-budget: #d95926;
        --series-last-year: #199e70;
        --good: #0ca30c;
        --warn: #fab219;
        --bad: #e66767;
        --neutral: #898781;
        --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 4px 14px rgba(0,0,0,0.4);
    }
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0d0d0d;
    --panel: #1a1a19;
    --border: #2c2c2a;
    --border-strong: #383835;
    --text: #ffffff;
    --text-muted: #c3c2b7;
    --text-faint: #898781;
    --accent: #3987e5;
    --accent-ink: #ffffff;
    --series-actual: #3987e5;
    --series-target: #d95926;
    --series-budget: #d95926;
    --series-last-year: #199e70;
    --good: #0ca30c;
    --warn: #fab219;
    --bad: #e66767;
    --neutral: #898781;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 4px 14px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }

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

a { color: var(--accent); }

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 20px 0;
}

.sidebar .brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    padding: 0 20px 20px;
}

.sidebar .brand a { color: inherit; text-decoration: none; }

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--sidebar-text);
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
}

.sidebar nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar nav a {
    display: block;
    padding: 10px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.sidebar nav a.active {
    background: rgba(57,135,229,0.18);
    color: #fff;
    border-left-color: var(--sidebar-active);
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
}

.nav-item a {
    flex: 1;
    min-width: 0;
}

.nav-controls {
    display: flex;
    gap: 2px;
    padding-right: 8px;
}

.nav-controls form {
    margin: 0;
}

.nav-controls button {
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    font-size: 11px;
    padding: 2px 4px;
    line-height: 1;
    border-radius: 4px;
}

.nav-controls button:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.content {
    flex: 1;
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 32px;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.topbar h1 {
    margin: 0;
    font-size: 21px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hamburger {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 16px;
    padding: 6px 10px;
    cursor: pointer;
    flex-shrink: 0;
}

.content-body {
    padding: 24px 32px 60px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.dashboard-link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.dashboard-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: inherit;
    display: block;
    box-shadow: var(--shadow);
    transition: box-shadow 0.15s, transform 0.15s;
}

.dashboard-card:hover {
    box-shadow: 0 6px 20px rgba(11,11,11,0.12);
    transform: translateY(-2px);
}

.dashboard-card h3 { margin: 0 0 6px; font-size: 16px; }
.dashboard-card p { margin: 0; color: var(--text-muted); font-size: 13px; }

.kpi-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    box-shadow: var(--shadow);
}

.kpi-card .label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.kpi-card .value {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 4px;
    font-variant-numeric: tabular-nums;
}

.kpi-card .sub {
    font-size: 12px;
    color: var(--text-muted);
}

.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
}

.badge.good { background: var(--good); }
.badge.warn { background: var(--warn); color: #241a00; }
.badge.bad { background: var(--bad); }
.badge.neutral { background: var(--neutral); }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.panel h2 {
    margin: 0 0 16px;
    font-size: 16px;
}

.chart-wrap {
    position: relative;
    height: 280px;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 20px;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

table.data-table th, table.data-table td {
    text-align: right;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}

table.data-table th:first-child, table.data-table td:first-child {
    text-align: left;
    font-variant-numeric: normal;
}

table.data-table thead th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-strong);
}

table.data-table tbody tr:hover {
    background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tabs a {
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-muted);
    background: var(--panel);
    border: 1px solid var(--border);
    font-size: 13px;
}

.tabs a.active {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent);
}

.topbar-auth {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.topbar-auth a {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
}

.current-user {
    font-size: 13px;
    color: var(--text-muted);
}

.btn-edit-toggle,
.btn-icon {
    padding: 8px 16px;
    border-radius: 6px;
    background: var(--accent);
    color: var(--accent-ink) !important;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 13px;
}

.btn-icon-outline {
    padding: 8px 12px;
    border-radius: 6px;
    background: none;
    border: 1px solid var(--border-strong);
    color: var(--text) !important;
    cursor: pointer;
    font-size: 13px;
}

.dashboard-card-wrap {
    position: relative;
}

.card-delete-form {
    position: absolute;
    top: 12px;
    right: 12px;
}

.edit-toggle {
    float: right;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
}

.inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
}

.inline-form input[type="text"],
.inline-form input[type="number"],
.inline-form input[type="password"],
.inline-form input[type="file"],
.inline-form select {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    background: var(--panel);
    color: var(--text);
}

.inline-form label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.inline-form button,
.btn-primary {
    padding: 7px 14px;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: var(--accent-ink);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.user-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 14px;
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
    margin: 10px 0 14px;
}

.access-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.hint {
    color: var(--text-muted);
    font-size: 13px;
}

.btn-danger {
    padding: 7px 14px;
    border: none;
    border-radius: 6px;
    background: var(--bad);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.btn-secondary {
    padding: 7px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    background: var(--panel);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.edit-toolbox {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.edit-toolbox-top {
    margin-top: 0;
    padding: 16px;
    border-top: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.import-help {
    font-size: 12px;
    color: var(--text-faint);
    margin: -6px 0 0;
}

.export-links {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 13px;
}

table.data-table.editable input,
table.data-table.editable select {
    width: 100%;
    min-width: 60px;
    padding: 4px 6px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 12px;
    text-align: right;
    background: var(--panel);
    color: var(--text);
}

table.data-table.editable input[type="text"] {
    text-align: left;
    min-width: 140px;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.login-box {
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-box input {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--panel);
    color: var(--text);
}

.login-box button {
    padding: 10px;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 600;
    cursor: pointer;
}

.login-error {
    color: var(--bad);
    font-size: 13px;
    margin: 0;
}

.ticker-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.ticker-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.ticker-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.ticker-row span {
    font-size: 22px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.ticker-row small {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
}

.sidebar-backdrop {
    display: none;
}

@media print {
    .sidebar, .topbar, .sidebar-backdrop, .edit-toolbox, .export-links, .tabs form { display: none !important; }
    body, .content-body { padding: 0; background: #fff; }
    .panel { break-inside: avoid; border: none; box-shadow: none; margin-bottom: 16px; }
    .chart-wrap { height: 220px; }
    .card-grid, .chart-grid { break-inside: avoid; }
    @page { margin: 14mm; }
}

@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        overflow-y: auto;
        box-shadow: 4px 0 20px rgba(0,0,0,0.25);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-close {
        display: block;
    }
    .hamburger {
        display: inline-block;
    }
    .sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 99;
    }
    .sidebar-backdrop.open {
        display: block;
    }
    .topbar {
        padding: 14px 16px;
        flex-wrap: wrap;
    }
    .content-body {
        padding: 16px;
    }
    .topbar h1 {
        font-size: 18px;
    }
}