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

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --text-primary: #eaeaea;
    --text-secondary: #a0a0a0;
    --accent: #e94560;
    --accent-hover: #ff6b6b;
    --border-color: #2a2a4a;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

.app {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

header {
    background-color: var(--bg-secondary);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 320px;
    min-width: 320px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.search-container {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

#search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

#search-input::placeholder {
    color: var(--text-secondary);
}

.comic-list-container {
    flex: 1;
    overflow-y: auto;
}

.comic-list {
    padding: 0.5rem;
}

.comic-item {
    padding: 0.75rem 1rem;
    margin: 0.25rem 0;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.9rem;
    word-break: break-word;
}

.comic-item:hover {
    background-color: var(--bg-tertiary);
}

.comic-item.active {
    background-color: var(--accent);
    color: white;
}

.comic-count {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

.sidebar-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

.content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.welcome-message {
    text-align: center;
    padding: 4rem 2rem;
}

.welcome-message h2 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.welcome-message p {
    color: var(--text-secondary);
}

.comic-content {
    max-width: 900px;
    margin: 0 auto;
}

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

.comic-header h2 {
    font-size: 1.5rem;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.visit-link,
.copy-btn {
    padding: 0.5rem 1rem;
    background-color: var(--accent);
    color: white;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: background-color 0.2s;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.visit-link:hover,
.copy-btn:hover {
    background-color: var(--accent-hover);
    color: white;
}

.copy-btn.copied {
    background-color: #28a745;
}

.comic-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.feed-entries {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feed-entry {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.feed-entry h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feed-entry h3 a {
    color: var(--text-primary);
}

.feed-entry h3 a:hover {
    color: var(--accent);
}

.entry-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.entry-content {
    font-size: 0.95rem;
    line-height: 1.7;
}

.entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

.entry-content a {
    word-break: break-all;
}

.error-message {
    text-align: center;
    padding: 4rem 2rem;
}

.error-message h2 {
    color: var(--accent);
    margin-bottom: 1rem;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.loading::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-tertiary);
}

/* Responsive */
@media (max-width: 768px) {
    main {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-width: 100%;
        max-height: 40vh;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .content {
        padding: 1rem;
    }

    .comic-header {
        flex-direction: column;
        align-items: flex-start;
    }
}