/* --- Light Theme --- */
body[data-theme='white'] {
    --primary-bg: #f4f4f9; --secondary-bg: #ffffff; --text-color: #212121;
    --text-secondary-color: #5f6368; --highlight-color: #007bff; --border-color: #e0e0e0;
    --shadow-color: rgba(0,0,0,0.08); --header-text-color: #5f6368;
}
/* --- Dark Theme --- */
body[data-theme='dark'] {
    --primary-bg: #121212; --secondary-bg: #1e1e1e; --text-color: #e0e0e0;
    --text-secondary-color: #888; --highlight-color: #00aaff; --border-color: #333;
    --shadow-color: rgba(0,0,0,0.2); --header-text-color: #888;
}
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; margin: 0; background-color: var(--primary-bg); color: var(--text-color); line-height: 1.6; transition: background-color 0.3s, color 0.3s; padding-bottom: 100px; }
.main-container { max-width: 900px; margin: 40px auto; padding: 20px; }
.main-header { text-align: center; margin-bottom: 40px; position: relative; }
.main-header h1 { font-size: 3.5em; color: var(--highlight-color); margin-bottom: 0; }
.main-header p { font-size: 1.2em; color: var(--header-text-color); }
#settings-icon { font-size: 1.5em; cursor: pointer; position: absolute; top: 0; right: 0; }
#settings-panel { display: none; position: fixed; top: 60px; right: 20px; background: var(--secondary-bg); border: 1px solid var(--border-color); padding: 20px; z-index: 1000; border-radius: 8px; box-shadow: 0 5px 15px var(--shadow-color); }
#settings-panel.active { display: block; }
.card { background-color: var(--secondary-bg); padding: 30px; border-radius: 8px; box-shadow: 0 4px 12px var(--shadow-color); }
.login-form input { display: block; width: 90%; margin: 15px auto; padding: 14px; border: 1px solid var(--border-color); background-color: var(--primary-bg); color: var(--text-color); border-radius: 5px; font-size: 1em; }
.login-form button { width: 95%; padding: 14px; border: none; border-radius: 5px; background-color: var(--highlight-color); color: white; font-weight: bold; font-size: 1.1em; cursor: pointer; transition: background-color 0.3s; }
.info-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 40px; }
.info-box { background-color: var(--secondary-bg); padding: 25px; border-radius: 8px; box-shadow: 0 4px 8px var(--shadow-color); }
.info-box h3 { color: var(--highlight-color); margin-top: 0; }
footer { text-align: center; margin-top: 60px; color: #aaa; }
#public-chat-widget { position: fixed; bottom: 20px; right: 20px; width: 350px; z-index: 999; background: var(--secondary-bg); border-radius: 8px; box-shadow: 0 5px 20px var(--shadow-color); overflow: hidden; }
.chat-header { background: var(--highlight-color); color: white; padding: 10px 15px; font-weight: bold; display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.chat-toggle { font-size: 1.5em; line-height: 1; }
.chat-body { padding: 10px; border: 1px solid var(--border-color); border-top: none; }
.chat-body.minimized { display: none; }
.chat-box { height: 200px; background-color: var(--primary-bg); padding: 10px; border-radius: 5px; overflow-y: auto; display: flex; flex-direction: column; }
.chat-message { padding: 8px 12px; border-radius: 15px; margin-bottom: 8px; max-width: 80%; line-height: 1.4; }
.chat-message.user, .chat-message.guest { background-color: #e1f5fe; align-self: flex-end; color: #212121; }
.chat-message.support { background-color: #f1f3f4; align-self: flex-start; color: #212121; }
body[data-theme='dark'] .chat-message.user, body[data-theme='dark'] .chat-message.guest { background-color: #00334d; color: #e0e0e0; }
body[data-theme='dark'] .chat-message.support { background-color: #2a2a2a; color: #e0e0e0; }
.chat-time { display: block; font-size: 0.75em; color: var(--text-secondary-color); margin-top: 4px; }
.chat-form { display: flex; gap: 5px; margin-top: 10px; }
.chat-form input { flex-grow: 1; padding: 8px; border: 1px solid var(--border-color); background-color: var(--secondary-bg); color: var(--text-color); }
.chat-form button { padding: 8px 12px; background-color: var(--highlight-color); color: white; border: none; border-radius: 5px; cursor: pointer; }
.highlights-feed { text-align: center; margin-top: 40px; }
.highlights-feed a { color: var(--highlight-color); text-decoration: none; font-size: 1.2em; }