:root[data-theme="light"] {
    --bg: #eef2f7;
    --text: #0e3083;
    --h-bg: #0e3083;
    --h-text: #ffffff;
    --accent: #2ecc71;
    --panel: #f7f9fc;
}

:root[data-theme="dark"] {
    --bg: #1a1a1b;
    --text: #f4f4f4;
    --h-bg: #2d2d2e;
    --h-text: #ffb000;
    --accent: #ffb000;
    --panel: #232325;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: sans-serif;
    background-color: var(--bg);
    color: var(--text);
    transition: 0.3s;
}

.main-header {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
    align-items: stretch;
    padding: 2.5rem 10%;
}

.brand-zone {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
}

.logo-placeholder {
    background: var(--h-bg);
    color: var(--h-text);
    border: 2px solid var(--accent);
    border-radius: 10px;
    padding: 10px 14px;
    font-weight: 700;
    letter-spacing: 1px;
}

.text-info {
    text-align: left;
    max-width: 60%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.text-info h1 {
    font-size: 2.4rem;
    margin-bottom: 12px;
}

.text-info p {
    margin: 0;
    font-size: 1.2rem;
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    line-height: 1;
}

.switch-text {
    font-size: 1.05rem;
    font-weight: bold;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: #ccc;
    border-radius: 20px;
    transition: 0.4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.4s;
}

input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.highlight-section {
    background-color: var(--h-bg);
    color: var(--h-text);
    padding: 3rem 10%;
}

.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.stats-text {
    display: grid;
    gap: 8px;
}

.stat-row {
    font-size: 1.03rem;
    word-break: break-word;
}

.ring-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.ring-big {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.3rem;
    font-weight: bold;
    background: conic-gradient(var(--h-text) 100deg, rgba(255, 255, 255, 0.15) 0deg);
    position: relative;
}

.ring-big::after {
    content: "";
    position: absolute;
    width: 116px;
    height: 116px;
    background-color: var(--h-bg);
    border-radius: 50%;
}

#ring-label {
    z-index: 1;
}

.mode-ready { background: conic-gradient(var(--h-text) 100deg, rgba(255,255,255,0.15) 0deg); }
.mode-running { background: conic-gradient(var(--accent) 250deg, rgba(255,255,255,0.15) 0deg); }
.mode-ok { background: conic-gradient(#23c56f 360deg, rgba(255,255,255,0.15) 0deg); }
.mode-error { background: conic-gradient(#e74c3c 360deg, rgba(255,255,255,0.15) 0deg); }

.ring-caption {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.content-section {
    padding: 2rem 10% 3rem;
}

.evaluation-panel,
.plot-panel {
    background: var(--panel);
    border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
    border-radius: 12px;
    padding: 16px;
    margin: 0 0 24px 0;
}

.evaluation-panel h2,
.plot-panel h2 {
    margin: 0 0 12px 0;
}

.evaluation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.input-group input,
.input-group select {
    border: 1px solid color-mix(in srgb, var(--accent) 35%, #999);
    border-radius: 8px;
    padding: 10px;
    font-size: 0.95rem;
    background: #fff;
}

#columns {
    min-height: 260px;
}

:root[data-theme="dark"] .input-group input,
:root[data-theme="dark"] .input-group select {
    background: #1c1e1f;
    color: var(--text);
}

.span-2 {
    grid-column: span 2;
}

.inline-toggle {
    justify-content: flex-end;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
}

.evaluation-actions {
    margin-top: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

#run-btn,
#reload-btn,
#defaults-btn {
    border: none;
    border-radius: 8px;
    padding: 10px 14px;
    font-weight: 700;
    cursor: pointer;
}

#run-btn {
    background: var(--accent);
    color: #fff;
}

.secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--accent);
}

#run-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

#run-status {
    font-weight: 600;
}

.plot-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.plot-wrap {
    min-height: 560px;
    border: 1px dashed color-mix(in srgb, var(--accent) 40%, transparent);
    border-radius: 10px;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: color-mix(in srgb, var(--bg) 75%, #fff);
}

.plot-host-wrap {
    display: block;
    padding: 0;
    overflow: hidden;
}

#plot-host {
    width: 100%;
    min-height: 720px;
}

#plot-placeholder {
    opacity: 0.8;
    padding: 24px;
}

@media (max-width: 920px) {
    .main-header {
        padding: 1.6rem 6%;
        flex-direction: column;
        gap: 20px;
    }

    .brand-zone {
        align-items: flex-start;
    }

    .text-info {
        max-width: 100%;
    }

    .text-info h1 {
        font-size: 1.9rem;
    }

    .highlight-section {
        padding: 2rem 6%;
    }

    .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .content-section {
        padding: 1.5rem 6% 2rem;
    }

    .span-2 {
        grid-column: span 1;
    }

    #plot-host {
        min-height: 560px;
    }
}