:root {
    --bg-deep: #05080d;
    --bg-panel: #0b1118;
    --bg-panel-alt: #0f1722;
    --text-primary: #e8f4ff;
    --text-muted: #7d8da3;
    --border: #1e2a3a;
    --border-glow: #2a3f57;

    --neon-safe: #39ff8a;
    --neon-safe-dim: rgba(57, 255, 138, 0.15);
    --neon-safe-glow: rgba(57, 255, 138, 0.45);

    --neon-moderate: #ffb833;
    --neon-moderate-dim: rgba(255, 184, 51, 0.15);
    --neon-moderate-glow: rgba(255, 184, 51, 0.45);

    --neon-threat: #ff3b5c;
    --neon-threat-dim: rgba(255, 59, 92, 0.15);
    --neon-threat-glow: rgba(255, 59, 92, 0.45);

    --accent-cyan: #00d4ff;
    --accent-cyan-dim: rgba(0, 212, 255, 0.12);

    --font-ui: "Outfit", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;

    --radius: 12px;
    --shadow-panel: 0 0 0 1px var(--border), 0 18px 48px rgba(0, 0, 0, 0.45);
}

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

html {
    height: 100%;
}

body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.08), transparent),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(255, 59, 92, 0.05), transparent),
        var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-ui);
    line-height: 1.5;
}

.grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    z-index: 0;
}

.dashboard {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */

.dashboard-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
}

.brand-mark {
    display: inline-block;
    font-size: 1.75rem;
    color: var(--accent-cyan);
    text-shadow: 0 0 16px var(--accent-cyan);
    line-height: 1;
    margin-top: 0.15rem;
    animation: rotate-glow 12s linear infinite;
}

@keyframes rotate-glow {
    0% { transform: rotate(0deg); text-shadow: 0 0 12px var(--accent-cyan); }
    50% { text-shadow: 0 0 24px var(--accent-cyan); }
    100% { transform: rotate(360deg); text-shadow: 0 0 12px var(--accent-cyan); }
}

.brand h1 {
    margin: 0;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.tagline {
    margin: 0.35rem 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 36rem;
}

.kernel-status {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
    border: 1px solid var(--border);
    background: var(--bg-panel);
}

.kernel-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.kernel-status--loading .kernel-status-dot {
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
    animation: pulse 1.2s ease-in-out infinite;
}

.kernel-status--ready {
    border-color: rgba(57, 255, 138, 0.35);
    background: var(--neon-safe-dim);
    color: var(--neon-safe);
}

.kernel-status--ready .kernel-status-dot {
    background: var(--neon-safe);
    box-shadow: 0 0 10px var(--neon-safe-glow);
}

.kernel-status--error {
    border-color: rgba(255, 59, 92, 0.35);
    background: var(--neon-threat-dim);
    color: var(--neon-threat);
}

.kernel-status--error .kernel-status-dot {
    background: var(--neon-threat);
    box-shadow: 0 0 10px var(--neon-threat-glow);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

/* Research CTA */

.research-cta {
    display: flex;
    justify-content: center;
    margin-bottom: 1.75rem;
}

.research-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: 10px;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-decoration: none;
    color: #ffffff;
    background: linear-gradient(135deg, #1a6dff 0%, #0d47c2 100%);
    border: 1px solid rgba(100, 160, 255, 0.45);
    box-shadow:
        0 4px 20px rgba(26, 109, 255, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.research-cta-btn:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #2b7bff 0%, #1560e0 100%);
    box-shadow:
        0 8px 28px rgba(26, 109, 255, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.research-cta-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 12px rgba(26, 109, 255, 0.3);
}

.research-cta-btn:focus-visible {
    outline: 2px solid #64b5ff;
    outline-offset: 3px;
}

/* Main layout */

.dashboard-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    flex: 1;
}

@media (min-width: 900px) {
    .dashboard-main {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.panel {
    background: linear-gradient(160deg, var(--bg-panel-alt) 0%, var(--bg-panel) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-panel);
    padding: 1.25rem;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.panel-header h2 {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.panel-badge {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    border: 1px solid var(--border-glow);
    color: var(--accent-cyan);
    background: var(--accent-cyan-dim);
}

.panel-badge--metrics {
    color: var(--text-muted);
    background: transparent;
}

/* Input */

#prompt-input {
    width: 100%;
    min-height: 220px;
    resize: vertical;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    transition: border-color 0.2s, box-shadow 0.2s;
}

#prompt-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

#prompt-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.15), 0 0 24px rgba(0, 212, 255, 0.08);
}

.input-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

#scan-btn {
    appearance: none;
    border: none;
    cursor: pointer;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--bg-deep);
    background: linear-gradient(135deg, var(--accent-cyan), #00a8cc);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.25);
    transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

#scan-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 0 28px rgba(0, 212, 255, 0.4);
}

#scan-btn:active:not(:disabled) {
    transform: translateY(0);
}

#scan-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

#scan-btn.is-scanning {
    pointer-events: none;
    opacity: 0.75;
}

.input-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Results */

.scan-result {
    min-height: 220px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.3);
    padding: 1.25rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.scan-result--idle {
    display: flex;
    align-items: center;
    justify-content: center;
}

.scan-result-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.placeholder-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

.placeholder-sub {
    font-size: 0.82rem;
    margin-top: 0.35rem;
    opacity: 0.75;
}

.scan-result--safe {
    border-color: rgba(57, 255, 138, 0.45);
    box-shadow: inset 0 0 40px var(--neon-safe-dim), 0 0 24px var(--neon-safe-dim);
}

.scan-result--moderate {
    border-color: rgba(255, 184, 51, 0.45);
    box-shadow: inset 0 0 40px var(--neon-moderate-dim), 0 0 24px var(--neon-moderate-dim);
}

.scan-result--threat {
    border-color: rgba(255, 59, 92, 0.45);
    box-shadow: inset 0 0 40px var(--neon-threat-dim), 0 0 24px var(--neon-threat-dim);
}

.scan-result--error {
    border-color: rgba(255, 59, 92, 0.35);
}

.result-verdict {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
}

.result-verdict-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.result-verdict-label {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.scan-result--safe .result-verdict-label {
    color: var(--neon-safe);
    text-shadow: 0 0 20px var(--neon-safe-glow);
}

.scan-result--moderate .result-verdict-label {
    color: var(--neon-moderate);
    text-shadow: 0 0 20px var(--neon-moderate-glow);
}

.scan-result--threat .result-verdict-label {
    color: var(--neon-threat);
    text-shadow: 0 0 20px var(--neon-threat-glow);
}

.result-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.metric-card {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.25);
}

.metric-card--full {
    grid-column: 1 / -1;
}

.metric-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    word-break: break-word;
}

.scan-result--safe .metric-value--level {
    color: var(--neon-safe);
}

.scan-result--moderate .metric-value--level {
    color: var(--neon-moderate);
}

.scan-result--threat .metric-value--level {
    color: var(--neon-threat);
}

.threat-meter {
    margin-top: 0.5rem;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.threat-meter-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.35s ease;
}

.scan-result--safe .threat-meter-fill {
    background: linear-gradient(90deg, var(--neon-safe), #1aff9c);
    box-shadow: 0 0 12px var(--neon-safe-glow);
}

.scan-result--moderate .threat-meter-fill {
    background: linear-gradient(90deg, #ff9900, var(--neon-moderate));
    box-shadow: 0 0 12px var(--neon-moderate-glow);
}

.scan-result--threat .threat-meter-fill {
    background: linear-gradient(90deg, #ff6b35, var(--neon-threat));
    box-shadow: 0 0 12px var(--neon-threat-glow);
}

.result-error-message {
    color: var(--neon-threat);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    margin: 0;
}

/* Footer */

.site-footer {
    margin-top: 2.5rem;
    padding: 1.25rem 0 0.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.site-footer p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
}

/* Accessibility */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}