:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --border-color: #30363d;
    --primary-text: #c9d1d9;
    --secondary-text: #8b949e;
    --accent-color: #58a6ff;
    --accent-hover: #3182ce;
    --danger-color: #f85149;
    --success-color: #3fb950;
    --warning-color: #d29922;
    --font-family: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--primary-text);
    font-family: var(--font-family);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

header h1 span {
    color: var(--accent-color);
    font-size: 1.2rem;
    vertical-align: super;
}

header p {
    color: var(--secondary-text);
    font-size: 0.95rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

form {
    display: flex;
    gap: 1rem;
}

input[type="text"] {
    flex: 1;
    background-color: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color 0.2s;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-color);
}

button {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.hidden {
    display: none !important;
}

/* Result Section */
.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.result-header h2 {
    font-size: 1.2rem;
}

.badge {
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge.legit {
    background-color: rgba(63, 185, 80, 0.2);
    color: var(--success-color);
    border: 1px solid rgba(63, 185, 80, 0.4);
}

.badge.dga {
    background-color: rgba(248, 81, 73, 0.2);
    color: var(--danger-color);
    border: 1px solid rgba(248, 81, 73, 0.4);
}

.badge.suspicious {
    background-color: rgba(210, 153, 34, 0.2);
    color: var(--warning-color);
    border: 1px solid rgba(210, 153, 34, 0.4);
}


/* Probability Bar */
.probability-section {
    margin-bottom: 2rem;
}

.prob-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background-color: #0d1117;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

.progress-fill {
    height: 100%;
    width: 0%;
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.8s;
}

/* Explainability */
.explainability-section h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.explainability-section .subtitle {
    font-size: 0.85rem;
    color: var(--secondary-text);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.legend-red { color: var(--danger-color); font-weight: bold; }
.legend-green { color: var(--success-color); font-weight: bold; }

.highlight-wrapper {
    background-color: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    font-size: 1.5rem;
    font-family: monospace;
    font-weight: bold;
    word-break: break-all;
    line-height: 1.8;
}

.char-box {
    display: inline-block;
    padding: 2px 4px;
    border-radius: 4px;
    margin: 0 1px;
    transition: background-color 0.3s;
    color: #fff;
}

/* Loading Spinner */
#loading {
    text-align: center;
    padding: 2rem;
    color: var(--secondary-text);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(88, 166, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-card {
    background-color: rgba(248, 81, 73, 0.1);
    border-color: rgba(248, 81, 73, 0.4);
    color: var(--danger-color);
    text-align: center;
}

.explanation-text {
    font-weight: 500;
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--border-color); /* Fallback since --hover-color is undefined, use border-color */
    border-radius: 6px;
    border-left: 4px solid var(--accent-color);
}