/* Основные стили (как у вас были) */
/* Основные стили */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e1e2f, #2a2a40);
    height: 100vh;
    color: #fff;
    display: flex;
}

/* Сайдбар */
.sidebar {
    width: 250px;
    background: #1a1a2e;
    height: 100vh;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-button {
    padding: 12px 16px;
    margin: 10px;
    background: linear-gradient(90deg, #4a4ae8, #3b3b98);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-button:hover {
    background: linear-gradient(90deg, #5a5aff, #4b4bb8);
}

.chat-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 10px;
}

.chat-item {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.chat-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-item.active {
    background: rgba(74, 74, 232, 0.2);
}

.chat-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Основное содержимое */
.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
}

.chat-container {
    width: 500px;
    background: #2a2a40;
    border-radius: 16px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: 20px;
}

.chat-box {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #1e1e2f;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.4;
    animation: fadeIn 0.3s ease-in-out;
}

.user-message {
    background: linear-gradient(90deg, #4a4ae8, #3b3b98);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 0;
}

.bot-message {
    background: #333;
    color: #fff;
    align-self: flex-start;
    border-bottom-left-radius: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.input-container {
    padding: 12px;
    background: #2a2a40;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.input-group {
    display: flex;
    gap: 8px;
}

.chat-input {
    flex: 1;
    padding: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    font-size: 0.9rem;
    background: #1e1e2f;
    color: #fff;
}

.chat-input:focus {
    border-color: #4a4ae8;
    outline: none;
}

.send-btn {
    padding: 12px 20px;
    background: linear-gradient(90deg, #4a4ae8, #3b3b98);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}

/* Стили для аудио элементов */
.audio-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #2a2a40;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.audio-btn {
    padding: 10px 15px;
    background: linear-gradient(90deg, #4a4ae8, #3b3b98);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.audio-btn:disabled {
    background: #555;
    cursor: not-allowed;
}

#waveform {
    flex-grow: 1;
    height: 60px;
    background: #1e1e2f;
    border-radius: 8px;
}

.file-upload {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
}

.file-upload input[type="file"] {
    flex: 1;
}

/* Красивая кнопка выбора файла */
.custom-file-upload {
    display: inline-block;
    padding: 10px 16px;
    background: linear-gradient(90deg, #4a4ae8, #3b3b98);
    color: white;
    font-size: 0.9rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.custom-file-upload:hover {
    background: linear-gradient(90deg, #5a5aff, #4b4bb8);
}

/* Скрытие стандартного инпута */
input[type="file"] {
    display: none;
}