* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #1a1a1a;
    color: #f0f0f0;
}

main {
    max-width: 440px;
    margin: 0 auto;
    padding: 40px 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

h1 {
    margin: 0;
    color: #ffa500;
    font-size: 2em;
}

h2 {
    margin: 0 0 10px;
    font-size: 1em;
    color: #ddd;
}

.tagline {
    margin: 0 0 6px;
    color: #999;
}

.card {
    background: #242424;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 14px;
}

.card > label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85em;
    color: #999;
}

input:not([type]), input[type="text"] {
    width: 100%;
    padding: 8px 10px;
    border-radius: 5px;
    border: 1px solid #444;
    background: #1a1a1a;
    color: #f0f0f0;
    font-size: 1em;
}

input:focus-visible, button:focus-visible {
    outline: 2px solid #ffa500;
    outline-offset: 1px;
}

.visibility {
    display: flex;
    gap: 16px;
    margin: 10px 0;
    font-size: 0.95em;
}

.hint {
    color: #888;
    font-size: 0.85em;
}

button {
    padding: 8px 14px;
    border-radius: 5px;
    border: 1px solid #555;
    background: #333;
    color: #f0f0f0;
    font-size: 0.95em;
    cursor: pointer;
}

button:hover:not(:disabled) {
    border-color: #ffa500;
}

button:disabled {
    opacity: 0.6;
    cursor: default;
}

button.primary {
    width: 100%;
    background: #ffa500;
    border-color: #ffa500;
    color: #1a1a1a;
    font-weight: bold;
}

button.primary:hover:not(:disabled) {
    background: #ffb733;
}

.row {
    display: flex;
    gap: 8px;
}

#room-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

#room-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-top: 1px solid #333;
}

#room-list li:first-child {
    border-top: none;
}

#room-list .empty {
    color: #888;
    font-size: 0.9em;
}

.room-title {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.room-meta {
    color: #888;
    font-size: 0.85em;
    white-space: nowrap;
}

#menu-error {
    min-height: 1.2em;
    margin: 0;
    color: #ff8a80;
}