:root {
    --primary: #00f3ff;
    --secondary: #ff003c;
    --bg-dark: #050505;
    --panel-bg: rgba(20, 20, 25, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #e0e0e0;
    --text-muted: #888;
    --font-head: 'Orbitron', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg-dark);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: var(--font-mono);
}

.grid-background {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
}

.logo {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
}

.version {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 10px;
}

.status-indicator {
    font-size: 0.8rem;
    padding: 5px 10px;
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 2px;
    text-transform: uppercase;
    box-shadow: 0 0 5px rgba(0, 243, 255, 0.2);
}
.status-indicator.online::before {
    content: '●';
    margin-right: 5px;
    animation: blink 2s infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 80px;
    padding-bottom: 40px;
}

.validator-container {
    width: 100%;
    max-width: 900px;
    text-align: center;
}

.glitch {
    font-family: var(--font-head);
    font-size: 4rem;
    font-weight: 900;
    color: #fff;
    text-transform: uppercase;
    position: relative;
    margin-bottom: 10px;
    letter-spacing: 5px;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1rem;
    letter-spacing: 1px;
}

.input-wrapper {
    position: relative;
    margin-bottom: 30px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
}

textarea {
    width: 100%;
    min-height: 120px;
    background: transparent;
    border: none;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 1.2rem;
    padding: 20px;
    resize: vertical;
    outline: none;
}

.metrics {
    display: flex;
    justify-content: space-between;
    padding: 10px 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(0,0,0,0.3);
}

#entropy-val.safe { color: var(--primary); }
#entropy-val.danger { color: var(--secondary); }

.results-panel {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: left;
    backdrop-filter: blur(10px);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.results-panel.active {
    opacity: 1;
    transform: translateY(0);
}

.panel-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    padding: 20px;
}

.pill {
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pill.valid {
    border-color: var(--primary);
    background: rgba(0, 243, 255, 0.1);
    color: var(--primary);
}

.pill.invalid {
    border-color: var(--secondary);
    background: rgba(255, 0, 60, 0.1);
    color: var(--secondary);
    opacity: 0.5;
}

.sanitization-zone {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.sanitization-zone h3 {
    margin: 0 0 10px 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-block {
    background: #000;
    padding: 15px;
    border-radius: 4px;
    font-family: var(--font-mono);
    color: var(--primary);
    overflow-x: auto;
    margin-bottom: 15px;
    border: 1px solid #333;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 10px 20px;
    font-family: var(--font-head);
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.action-btn:hover {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(5, 5, 5, 0.9);
}