:root {
    --primary: #4a5568;
    --primary-hover: #2d3748;
    --success: #48bb78;
    --info: #4299e1;
    --danger: #f56565;
    --bg-dark: #1a202c;
    --bg-card: #2d3748;
    --bg-input: #4a5568;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --border: #4a5568;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 2rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

.series-config {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.series-config input {
    flex: 1;
}

.series-config .btn {
    white-space: nowrap;
}

.empty-text {
    color: var(--text-secondary);
    font-style: italic;
}

section {
    background: var(--bg-card);
    border-radius: 4px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

input,
select {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--info);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

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

.btn-success:hover:not(:disabled) {
    background: #38a169;
}

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

.btn-info:hover:not(:disabled) {
    background: #3182ce;
}

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

.btn-danger:hover:not(:disabled) {
    background: #e53e3e;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.button-group .btn {
    flex: 1;
}

.status-text {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.status-disconnected {
    color: var(--danger);
}

.status-connected {
    color: var(--success);
}

.result-box {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.9rem;
}

.result-box.hidden {
    display: none;
}

.cid-text {
    display: inline-block;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: var(--bg-dark);
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-family: monospace;
    font-size: 0.85rem;
}

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

/* Event Timeline */
#event-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.event-card {
    background: var(--bg-input);
    padding: 1rem;
    border-radius: 4px;
    border-left: 3px solid var(--info);
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
}

.event-contributor {
    font-weight: 500;
    color: var(--info);
}

.event-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.event-content {
    margin-bottom: 0.5rem;
}

.event-chapter {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.event-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 500;
}

.event-status.working {
    background: #f6ad55;
    color: #1a202c;
}

.event-status.completed {
    background: #4299e1;
    color: white;
}

.event-status.released {
    background: #48bb78;
    color: white;
}

.event-status.hiatus {
    background: #fc8181;
    color: white;
}

.event-cid {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: monospace;
}

.config-panel {
    background: var(--bg-card);
}

/* Log Panel */
#log-container {
    max-height: 200px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.85rem;
}

.log-entry {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.log-time {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.log-info {
    color: var(--text-primary);
}

.log-success {
    color: var(--success);
}

.log-error {
    color: var(--danger);
}