#fab-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1050;
    display: flex;
    flex-direction: row-reverse;
    gap: 1rem;
    align-items: flex-end;
    transition: bottom 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body.miniplayer-active #fab-container {
    bottom: calc(85px + 2rem);
}

.chat-fab, .fab-btn {
    position: relative;
    right: auto;
    bottom: auto;
}

.chat-fab {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: var(--primary);
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(0, 224, 255, 0.3);
    transition: var(--transition);
}
.chat-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 224, 255, 0.4);
}

.chat-window {
    position: fixed;
    bottom: 95px;
    right: 2rem;
    width: 400px;
    height: 520px;
    max-width: 90vw;
    max-height: 70vh;
    background-color: var(--primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 1051;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background: rgba(10, 10, 15, 0.8);
    cursor: default;
}
.light-theme .chat-window {
    background: rgba(244, 247, 250, 0.8);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem;
    background-color: rgba(255,255,255,0.05);
    border-bottom: 1px solid var(--glass-border);
    cursor: move;
    flex-shrink: 0;
}
.chat-title {
    font-family: 'Orbitron', sans-serif;
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 0;
}
.chat-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}
.chat-close-btn:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

.chat-messages {
    flex-grow: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background-color: var(--glass-border);
    border-radius: 4px;
}

.message-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    max-width: 90%;
    animation: slide-in-bottom 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.assistant-wrapper {
    align-self: flex-start;
}

.user-wrapper {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(0, 224, 255, 0.3);
}

.avatar svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.message {
    padding: 0.8rem 1.2rem;
    border-radius: var(--border-radius-md);
    line-height: 1.6;
    word-wrap: break-word;
}
.message p {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.user-message {
    background: var(--gradient);
    color: var(--primary);
    border-bottom-right-radius: 4px;
}

.assistant-message {
    background-color: var(--secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-item-actions {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.chat-action-title {
    display: block;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.chat-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.chat-action-buttons button {
    background-color: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: .4rem .8rem;
    border-radius: 20px;
    font-size: .8rem;
    cursor: pointer;
    transition: var(--transition);
}

.chat-action-buttons button:hover {
    background-color: var(--accent);
    color: var(--primary);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.chat-download-all {
    margin-top: 1rem;
}

.typing-indicator-bubble {
    display: flex;
    gap: 6px;
    align-items: center;
    padding: 14px 16px;
}
.typing-indicator-bubble span {
    width: 8px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: typing-pulse 1.4s infinite;
}
.typing-indicator-bubble span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator-bubble span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-pulse {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1); }
}

#chat-input-form {
    display: flex;
    padding: 0.8rem;
    border-top: 1px solid var(--glass-border);
    gap: 0.8rem;
    background: linear-gradient(to top, rgba(16, 17, 22, 0.8), rgba(16, 17, 22, 0.5));
    align-items: flex-end;
}

.chat-input {
    flex-grow: 1;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0.7rem 1.2rem;
    color: var(--text-primary);
    resize: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(0, 224, 255, 0.2);
    background: var(--secondary);
}

.chat-send-btn {
    flex-shrink: 0;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 12px;
    width: 42px;
    height: 42px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.chat-send-btn svg {
    transition: transform 0.3s ease;
}
.chat-send-btn:hover {
    background: var(--accent-dark);
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(0, 224, 255, 0.4);
}
.chat-send-btn:hover svg {
    transform: translateX(2px) rotate(-15deg);
}
.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.chat-send-btn:disabled:hover svg {
    transform: none;
}

@keyframes slide-in-bottom {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 768px) {
    body.miniplayer-active #fab-container {
        bottom: calc(110px + 1rem);
    }
}

@media (max-width: 480px) {
    .chat-window {
        width: 100%;
        height: 100%;
        bottom: 0;
        right: 0;
        border-radius: 0;
        max-height: none;
    }
}