:root {
    /* Dark Theme (Default) */
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;

    --radius: 8px;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-input: #f1f5f9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
    min-height: 100vh;
}

/* Header */
header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-container,
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--bg-input);
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.icon-btn:hover {
    background-color: var(--bg-input);
    color: var(--text-main);
}

[data-theme="dark"] .moon-icon {
    display: none;
}

[data-theme="light"] .sun-icon {
    display: none;
}

/* Main Content */
.container {
    padding-top: 2rem;
    padding-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.section-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

/* Input Section */
textarea {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: var(--radius);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    resize: vertical;
    margin-bottom: 1rem;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.policy-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.neutral {
    background-color: var(--border);
    color: var(--text-main);
}

.status-badge.safe {
    background-color: var(--success-bg);
    color: var(--success);
}

.status-badge.unsafe {
    background-color: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
    box-shadow: 0 0 8px var(--danger-bg);
}

/* Results Section */
.test-filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

.filter-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: var(--radius);
    transition: 0.2s;
}

.filter-btn:hover {
    background-color: var(--bg-card);
}

.filter-btn.active {
    background-color: var(--bg-card);
    color: var(--primary);
    border: 1px solid var(--border);
}

.test-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.test-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform 0.2s;
}

.test-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.test-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.test-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.test-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.test-badge.pass {
    background-color: var(--success-bg);
    color: var(--success);
}

.test-badge.fail {
    background-color: var(--danger-bg);
    color: var(--danger);
}

.test-badge.warn {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.test-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.test-code {
    background-color: var(--bg-input);
    padding: 0.75rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-main);
    word-break: break-all;
}

.test-fix {
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    padding-top: 0.75rem;
    margin-top: auto;
}

.test-fix strong {
    color: var(--primary);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--text-main);
    color: var(--bg-main);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: all 0.3s;
    z-index: 50;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

@media (max-width: 640px) {
    .test-grid {
        grid-template-columns: 1fr;
    }

    .header-container {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}