:root {
    --color-bg: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #21262d;
    --color-border: #30363d;
    --color-text-primary: #c9d1d9;
    --color-text-secondary: #8b949e;
    --color-accent: #58a6ff;
    --color-accent-hover: #79c0ff;
    --color-success: #3fb950;
    --color-error: #f85149;
    --color-warning: #d29922;
    --radius: 6px;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    padding: 1rem 0 2rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.github-icon {
    width: 2rem;
    height: 2rem;
    color: var(--color-text-primary);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.main {
    flex: 1;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0;
}

.tab {
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.tab:hover {
    color: var(--color-text-primary);
}

.tab.active {
    color: var(--color-text-primary);
    border-bottom-color: var(--color-accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-description {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.search-box {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.input-group {
    flex: 1;
    display: flex;
    align-items: stretch;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.input-prefix {
    padding: 0.625rem 0.75rem;
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    border-right: 1px solid var(--color-border);
}

input[type="text"] {
    flex: 1;
    padding: 0.625rem 0.75rem;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    outline: none;
}

input[type="text"]::placeholder {
    color: var(--color-text-secondary);
}

#search-btn {
    padding: 0.625rem 1.25rem;
    background: var(--color-success);
    color: #fff;
    border: 1px solid rgba(240, 246, 252, 0.1);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

#search-btn:hover {
    background: #2ea043;
}

#search-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#load-owner-btn {
    padding: 0.625rem 1.25rem;
    background: var(--color-success);
    color: #fff;
    border: 1px solid rgba(240, 246, 252, 0.1);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

#load-owner-btn:hover {
    background: #2ea043;
}

.hidden {
    display: none !important;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--color-text-secondary);
}

.spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.error {
    padding: 1rem;
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--color-error);
    border-radius: var(--radius);
    color: var(--color-error);
}

.results-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.results-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

.count-badge {
    padding: 0.125rem 0.5rem;
    background: var(--color-bg-tertiary);
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.pages-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.page-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.2s;
}

.page-item:hover {
    border-color: var(--color-text-secondary);
}

.page-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.page-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-accent);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-name:hover {
    text-decoration: underline;
}

.page-url {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-description {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.page-status {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--color-success);
    flex-shrink: 0;
    margin-left: 1rem;
}

.status-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--color-success);
}

.footer {
    padding: 2rem 0 1rem;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
    margin-top: 2rem;
}

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

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

.github-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    text-decoration: none;
    transition: background-color 0.2s, border-color 0.2s;
}

.github-btn:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-text-secondary);
    text-decoration: none;
}

.github-btn svg {
    width: 1rem;
    height: 1rem;
}

.footer p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer svg {
    width: 1rem;
    height: 1rem;
}

@media (max-width: 600px) {
    .search-box {
        flex-direction: column;
    }

    #search-btn {
        width: 100%;
    }

    .page-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .page-status {
        margin-left: 0;
    }
}