body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f9;
    color: #1f2937;
}

a {
    text-decoration: none;
}

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

.sidebar {
    width: 240px;
    background: #18212f;
    color: white;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.logo {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 28px;
}

.menu a {
    display: block;
    color: white;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
}

    .menu a:hover {
        background: #253246;
    }

.disabled-link {
    opacity: .9;
}

.sidebar-footer {
    margin-top: auto;
}

.logout-link {
    display: block;
    color: #fff;
    padding: 10px 12px;
    border-radius: 8px;
    background: #334155;
    text-align: center;
}

.main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: white;
    border-bottom: 1px solid #d7dde5;
    padding: 18px 24px;
}

.topbar-title {
    font-size: 24px;
    font-weight: bold;
}

.content-area {
    padding: 24px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 24px;
}

.full-width {
    grid-column: 1 / span 2;
}

.panel {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 3px 12px rgba(0,0,0,.06);
}

    .panel h2 {
        margin-top: 0;
    }

.kv-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px solid #eef2f7;
}

.button-row {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-secondary {
    background: #475569;
    color: white;
}

.report-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.report-item {
    border: 1px solid #dbe3ef;
    border-radius: 8px;
    padding: 12px;
    background: #f8fafc;
}

.report-name {
    font-weight: bold;
}

.report-type {
    font-size: 12px;
    color: #64748b;
    margin-top: 4px;
}

.result-box {
    min-height: 320px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #0f172a;
    color: #d1fae5;
    padding: 16px;
    white-space: pre-wrap;
    overflow: auto;
    font-family: Consolas, monospace;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e9eef5;
}

.login-card {
    width: 380px;
    background: white;
    border-radius: 14px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0,0,0,.1);
}

.subtitle {
    margin-top: -8px;
    margin-bottom: 20px;
    color: #64748b;
}

.form-row {
    margin-bottom: 14px;
}

    .form-row label {
        display: block;
        font-weight: bold;
        margin-bottom: 6px;
    }

    .form-row input {
        width: 100%;
        box-sizing: border-box;
        padding: 10px;
        border: 1px solid #cbd5e1;
        border-radius: 8px;
    }

.error-box {
    margin-top: 14px;
    background: #fee2e2;
    color: #991b1b;
    padding: 10px;
    border-radius: 8px;
}