:root {
    --bg: #0b0e14;
    --bg-elevated: #141925;
    --border: #242b3a;
    --text: #eef1f7;
    --text-muted: #8993a6;
    --brand: #2e6bff;
    --brand-hover: #1c56e6;
    --danger: #ff4655;
    --radius: 10px;
}

:root[data-theme="light"] {
    --bg: #f4f6fb;
    --bg-elevated: #ffffff;
    --border: #e1e5ee;
    --text: #131722;
    --text-muted: #5b6376;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    height: 100%;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    font-size: 14px;
}

#chat-widget {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 10px;
    gap: 8px;
}

.chat-rules {
    margin: 0;
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
}

.lockdown-notice {
    margin: 0;
    padding: 6px 10px;
    background: rgba(255, 70, 85, 0.12);
    color: var(--danger);
    border-radius: var(--radius);
    font-size: 12px;
    text-align: center;
}

.hidden {
    display: none !important;
}

.messages {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-right: 2px;
}

.message {
    padding: 6px 10px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    line-height: 1.4;
    word-break: break-word;
}

.message.own {
    border-color: var(--brand);
}

.message-admin {
    border-color: var(--admin-color);
    background: color-mix(in srgb, var(--admin-color) 10%, var(--bg-elevated));
}

.message-username {
    font-weight: 600;
    color: var(--brand);
    margin-right: 6px;
}

.message-admin .message-username {
    color: var(--admin-color);
}

.admin-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--admin-color);
    color: #1a1400;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    vertical-align: middle;
}

.message-time {
    float: right;
    font-size: 10px;
    color: var(--text-muted);
}

.join-error {
    margin: 0;
    font-size: 12px;
    color: var(--danger);
    text-align: center;
}

.username-form,
.message-form {
    display: flex;
    gap: 6px;
    position: relative;
}

.username-form input,
.message-form input {
    flex: 1;
    min-width: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 10px;
    color: var(--text);
    font-size: 13px;
}

.username-form input:focus,
.message-form input:focus {
    outline: none;
    border-color: var(--brand);
}

.username-form button,
.message-form button {
    background: var(--brand);
    border: none;
    border-radius: var(--radius);
    color: #fff;
    padding: 0 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.username-form button:hover,
.message-form button:hover {
    background: var(--brand-hover);
}

#emoji-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    font-size: 16px;
    padding: 0 10px;
}

.emoji-picker {
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 6px;
    width: 220px;
    max-height: 160px;
    overflow-y: auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    padding: 6px;
    gap: 2px;
}

.emoji-picker button {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
}

.emoji-picker button:hover {
    background: var(--border);
}

.empty-notice {
    color: var(--text-muted);
    text-align: center;
    font-size: 12px;
    margin: auto 0;
}