:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #eab308;
    --border: #334155;
}

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

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
}

/* Search Box */
.search-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

input {
    flex: 1;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--accent);
}

button {
    padding: 0 2rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
    transition: background 0.3s;
}

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

/* Results */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    animation: slideIn 0.3s ease-out;
}

.card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-color: white;
    text-underline-offset: 4px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.cve-id {
    font-size: 1.25rem;
    color: var(--accent);
    font-weight: bold;
}

.kev-badge {
    background: var(--danger);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    font-weight: bold;
}

.summary {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.link-tag {
    background: var(--bg-color);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    text-decoration: none;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.link-tag:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Loading */
.hidden {
    display: none;
}

#loading {
    text-align: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

/* Footer */
footer {
    margin-top: auto;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.credits {
    margin-bottom: 1rem;
}

.credits p {
    margin: 0.5rem 0;
}

.credits a {
    color: var(--accent);
    text-decoration: none;
}

.credits a:hover {
    text-decoration: underline;
}

.ai-badge {
    color: var(--warning);
}

.tech-stack {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}