:root {
    --bg-color: #0a0a0a;
    --panel-bg: #111;
    --text-color: #e0e0e0;
    --accent-color: #00ff41;
    --warning-color: #ffaa00;
    --danger-color: #ff3333;
    --border-color: #333;
    --font-family: 'Share Tech Mono', monospace;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    background-image: linear-gradient(rgba(0, 20, 0, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 20, 0, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
}

.demo-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--warning-color);
    color: #000;
    text-align: center;
    padding: 8px;
    font-size: 0.85rem;
    z-index: 1000;
    font-weight: bold;
}

.demo-banner span {
    background: #000;
    color: var(--warning-color);
    padding: 2px 8px;
    margin-right: 8px;
}

.container {
    width: 100%;
    max-width: 1100px;
    padding: 2rem;
    padding-top: 3rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 1rem;
    position: relative;
}

.logo {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 0.8rem;
    color: var(--accent-color);
    opacity: 0.7;
}

h1 {
    color: var(--text-color);
    letter-spacing: 3px;
    margin: 0;
    text-transform: uppercase;
    text-shadow: 0 0 5px var(--accent-color);
}

.subtitle {
    color: var(--accent-color);
    font-size: 1rem;
    margin-top: 0.5rem;
}

.info-panel {
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid var(--warning-color);
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.info-panel p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

main {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
}

.panel {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

h2, h3 {
    margin-top: 0;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #fff;
    border-bottom: none;
}

.input-group {
    border: 1px solid #222;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.9rem;
    color: #aaa;
}

.hint {
    display: block;
    font-size: 0.75rem;
    color: #666;
    margin-top: 0.2rem;
    font-style: italic;
    line-height: 1.2;
}

input[type="number"],
input[type="url"],
input[type="text"] {
    width: 100%;
    padding: 10px;
    background-color: #000;
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    font-family: var(--font-family);
    font-size: 1rem;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 5px var(--accent-color);
}

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

.checkbox-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.75rem;
    border-radius: 4px;
    border: 1px solid #222;
}

.checkbox-label {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: bold;
    user-select: none;
    color: #fff;
}

.checkbox-container {
    margin-top: 0.5rem;
}

.checkbox-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: #000;
    border: 1px solid var(--border-color);
}

.checkbox-label:hover input ~ .checkmark {
    border-color: var(--accent-color);
}

.checkbox-label input:checked ~ .checkmark {
    background-color: var(--accent-color);
    box-shadow: 0 0 5px var(--accent-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-label input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-label .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 10px;
    border: solid #000;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

button[type="submit"] {
    width: 100%;
    padding: 15px;
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    font-family: var(--font-family);
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 1rem;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

button[type="submit"]:hover:not(:disabled) {
    background-color: var(--accent-color);
    color: #000;
    box-shadow: 0 0 15px var(--accent-color);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.presets-section {
    margin-top: 1.5rem;
}

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
}

.preset-btn {
    padding: 10px;
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    font-family: var(--font-family);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}

.preset-btn:hover {
    background: var(--accent-color);
    color: #000;
}

.gauge-container {
    position: relative;
    width: 200px;
    height: 100px;
    margin: 2rem auto;
    overflow: hidden;
}

.gauge-bg,
.gauge-fill {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    top: 0;
    left: 0;
}

.gauge-bg {
    background-color: #222;
    border: 1px solid #333;
}

.gauge-fill {
    background-color: var(--accent-color);
    clip-path: polygon(0 50%, 100% 50%, 100% 0, 0 0);
    transform-origin: center;
    transform: rotate(0deg);
    transition: transform 1s ease, background-color 1s ease;
}

.gauge-cover {
    position: absolute;
    width: 160px;
    height: 160px;
    background-color: var(--panel-bg);
    border-radius: 50%;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-bottom: 40px;
    box-sizing: border-box;
    border: 1px solid #222;
    z-index: 10;
}

#scoreValue {
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
}

.label {
    font-size: 0.7rem;
    color: #888;
    text-transform: uppercase;
}

#statusMessage {
    text-align: center;
    font-size: 1.1rem;
    font-weight: bold;
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid #333;
    background: #000;
}

#statusMessage.safe {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

#statusMessage.warning {
    color: var(--warning-color);
    border-color: var(--warning-color);
}

#statusMessage.danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
}

#statusMessage.waiting {
    color: #666;
}

.tips-section {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.tips-section ul {
    padding-left: 1.2rem;
    color: #ccc;
}

.tips-section li {
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.documentation-panel {
    margin-top: 2rem;
    border-top: 2px solid #222;
}

.doc-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.doc-column p {
    color: #aaa;
    font-size: 0.9rem;
    line-height: 1.6;
}

.doc-column ul {
    color: #aaa;
    font-size: 0.85rem;
}

.doc-column strong {
    color: #fff;
}

.disclaimer {
    margin-top: 2rem;
    padding: 1rem;
    border: 1px solid var(--warning-color);
    background: rgba(255, 170, 0, 0.1);
    text-align: center;
}

.disclaimer p {
    color: var(--warning-color);
    margin: 0;
    font-size: 0.85rem;
}