:root {
    --bg-main: #071A4A;
    --bg-secondary: #0C2C6B;
    --bg-dark: #051238;

    --blue-electric: #1A5BFF;
    --blue-neon: #2F7BFF;

    --accent-magenta: #FF4FD8;

    --text-main: #FFFFFF;
    --text-secondary: #F2F6FF;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-main);
    color: var(--text-main);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

header {
    background-color: var(--bg-dark);
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--blue-neon);
}

main {
    padding: 1rem;
}

h2 {
    margin-top: 0;
    color: var(--text-secondary);
}

.panel {
    max-width: 1100px;
    margin: 0 auto 1rem auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--blue-neon);
    border-radius: 8px;
    padding: 1rem;
}

.link-panel {
    text-align: center;
}

.params-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.params-grid-4 {
    grid-template-columns: repeat(1, 1fr);
}

.params-grid-5 {
    grid-template-columns: repeat(1, 1fr);
}

.params-grid label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.inline-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

textarea {
    width: 100%;
    min-height: 260px;
    resize: vertical;
    margin-top: 0.35rem;
    padding: 0.65rem;
    border-radius: 6px;
    border: 1px solid var(--blue-neon);
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: Consolas, "Courier New", monospace;
}

input[type="number"] {
    padding: 0.55rem;
    border-radius: 6px;
    border: 1px solid var(--blue-neon);
    background-color: var(--bg-dark);
    color: var(--text-main);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

button {
    background-color: var(--blue-electric);
    color: var(--text-main);
    border: none;
    border-radius: 6px;
    padding: 0.55rem 1rem;
    cursor: pointer;
}

button:hover {
    background-color: var(--blue-neon);
}

.error {
    margin-top: 0.8rem;
    color: #ffb0b0;
    font-weight: bold;
    min-height: 1.2rem;
}

.metrics {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
}

.queues-metrics {
    display: grid;
    gap: 1rem;
}

.queue-metrics-group {
    background-color: var(--bg-dark);
    border: 1px solid var(--blue-neon);
    border-radius: 8px;
    padding: 0.8rem;
}

.queue-metrics-group h3 {
    margin-top: 0;
    margin-bottom: 0.7rem;
    color: var(--text-secondary);
}

.metric-card {
    background-color: var(--bg-dark);
    border: 1px solid var(--blue-neon);
    border-radius: 8px;
    padding: 0.7rem;
}

.metric-card h3 {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.metric-card p {
    margin: 0.3rem 0 0;
    font-weight: bold;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--blue-neon);
}

th,
td {
    border: 1px solid var(--blue-neon);
    padding: 0.5rem;
    text-align: center;
}

th {
    background-color: var(--bg-dark);
    color: var(--text-secondary);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

.table-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.chart-panel canvas {
    width: 100% !important;
    height: 320px !important;
    margin-top: 1rem;
    background-color: var(--bg-main);
    border: 1px solid var(--blue-neon);
    border-radius: 8px;
    padding: 0.5rem;
}

/* LCG scatter plot: fixed height and max-height to avoid unbounded growth */
#lcg-distribution-content canvas,
#lcgScatterPlot {
    width: 100% !important;
    height: 320px !important;
    max-height: 420px !important;
    margin-top: 1rem;
    background-color: var(--bg-main);
    border: 1px solid var(--blue-neon);
    border-radius: 8px;
    padding: 0.5rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-toggle {
    width: 100%;
    text-align: left;
    background-color: var(--blue-electric);
    padding: 0.6rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
}

.accordion-toggle:hover {
    background-color: var(--blue-neon);
}

.accordion-content {
    margin-top: 1rem;
}

.formula {
    text-align: center;
    margin: 0.8rem 0;
    padding: 0.6rem;
    background-color: var(--bg-dark);
    border: 1px solid var(--blue-neon);
    border-radius: 8px;
    font-weight: bold;
}

@media (min-width: 720px) {
    .params-grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .params-grid-5 {
        grid-template-columns: repeat(5, 1fr);
    }

    .metrics {
        grid-template-columns: repeat(3, 1fr);
    }

    .queues-metrics {
        grid-template-columns: repeat(1, 1fr);
    }
}