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

:root {
    --bg: #fafaf8;
    --text: #2a2a2a;
    --text-muted: #666;
    --border: #d4d4d4;
    --accent: #4a5568;
    --hover: #f0f0ee;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1a1a1a;
        --text: #e8e8e8;
        --text-muted: #a0a0a0;
        --border: #3a3a3a;
        --accent: #9ca3af;
        --hover: #252525;
    }
}

body {
    font-family: 'Georgia', 'Palatino', serif;
    line-height: 1.8;
    color: var(--text);
    background-color: var(--bg);
    padding: 2rem 1rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 700px;
    margin: 0 auto;
}

header {
    text-align: center;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1rem;
}

h1 {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    color: var(--text);
}

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

.controls {
    text-align: right;
    margin-bottom: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.controls.visible {
    opacity: 1;
}

.collapse-btn {
    font-family: 'Georgia', 'Palatino', serif;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 1px solid transparent;
    cursor: pointer;
    padding: 0;
    font-style: italic;
    transition: border-color 0.2s ease;
}

.collapse-btn:hover {
    border-bottom-color: var(--text-muted);
}

.poem {
    margin-bottom: 3rem;
}

.poem-header {
    cursor: pointer;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    transition: background-color 0.2s ease;
}

.poem-header:hover {
    background-color: var(--hover);
}

.poem-title {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 0.3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.poem-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.poem-time {
    margin-left: 0.4rem;
}

.poem-time::before {
    content: '·';
    margin-right: 0.4rem;
}

.poem-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
}

.share-link {
    font-family: 'Georgia', 'Palatino', serif;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    font-style: italic;
    opacity: 0.3;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.poem-header:hover .share-link {
    opacity: 0.7;
}

.share-link:hover {
    opacity: 1;
    color: var(--accent);
}

.toggle-icon {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.poem-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.poem-content.expanded {
    max-height: 2000px;
}

.poem-text {
    padding: 2rem 0;
    white-space: pre-line;
    line-height: 2;
}

.poem.newest .poem-content {
    max-height: none;
    overflow: visible;
}

.poem.newest .poem-header {
    cursor: default;
    border-bottom: 2px solid var(--accent);
}

.poem.newest .poem-header:hover {
    background-color: transparent;
}

.poem.newest .toggle-icon {
    display: none;
}

.poem.newest .poem-title {
    font-size: 1.5rem;
    color: var(--accent);
}

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(1rem);
    background: var(--text);
    color: var(--bg);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

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

footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

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

.loading {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 3rem 0;
}

.meta {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

@media (max-width: 600px) {
    body {
        padding: 1rem 0.75rem;
    }

    header {
        padding: 2rem 0;
    }

    h1 {
        font-size: 1.3rem;
    }

    .poem-title {
        font-size: 1.1rem;
    }

    .poem.newest .poem-title {
        font-size: 1.3rem;
    }
}