body {
    font-family: 'Poppins', sans-serif;
    background: #0a0a0f;
    color: #e6fffa;
    margin: 0;
    padding: 0;
    transition: all 0.3s ease;
}

body.minimal-ui {
    background: #12121a;
}

.sidebar {
    background: rgba(8, 6, 20, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(138, 71, 255, 0.3);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    transition: width 0.3s ease;
}

.chat-area {
    background: transparent;
    transition: padding 0.3s ease;
}

.chat-area.fast-response {
    padding: 4px;
}

.input-area {
    background: rgba(8, 6, 20, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(138, 71, 255, 0.3);
    transition: padding 0.3s ease;
}

.chat-bubble {
    animation: fade-in-up 0.3s ease forwards;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: 16px;
    max-width: 75%;
    word-wrap: break-word;
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.user-bubble {
    background: #667eea;
    margin-left: auto;
    border-radius: 16px 16px 4px 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-bubble {
    background: rgba(30, 25, 50, 0.8);
    border: 1px solid rgba(138, 71, 255, 0.4);
    border-radius: 16px 16px 16px 4px;
}

.message-actions {
    position: absolute;
    top: -10px;
    right: -10px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.chat-bubble:hover .message-actions {
    opacity: 1;
}

.delete-btn {
    background: rgba(239, 68, 68, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 1);
    transform: scale(1.1);
}

.main-input {
    background: rgba(30, 25, 50, 0.8);
    border: 2px solid rgba(138, 71, 255, 0.4);
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.main-input:focus {
    outline: none;
    border-color: rgba(138, 71, 255, 0.8);
    box-shadow: 0 0 25px rgba(138, 71, 255, 0.4);
}

.main-input.smart-input {
    border-color: #4f97ff;
    box-shadow: 0 0 15px #4f97ff;
}

.glow-button {
    position: relative;
    transition: all 0.2s ease;
    overflow: hidden;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.glow-button:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255,255,255,0.2), transparent);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.3s ease;
    z-index: -1;
}

.glow-button:hover:before {
    transform: translate(-50%, -50%) scale(1);
}

.glow-button:hover {
    animation: pulse-glow 1.5s infinite;
}

.history-item {
    padding: 1rem;
    background-color: rgba(30, 25, 50, 0.6);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid rgba(138, 71, 255, 0.2);
    backdrop-filter: blur(10px);
}

.history-item:hover {
    background-color: rgba(69, 64, 112, 0.8);
    border-color: rgba(138, 71, 255, 0.6);
    transform: translateX(5px);
}

.ai-code-block {
    background-color: #0d1117;
    border-radius: 12px;
    margin: 1.5rem 0;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(79, 151, 255, 0.4);
    overflow: hidden;
}

.minimal.ai-code-block {
    border: none;
    box-shadow: none;
    background-color: #1e1932;
}

.enhanced.ai-code-block {
    border: 2px solid rgba(79, 151, 255, 0.6);
    box-shadow: 0 16px 50px rgba(0,0,0,0.5);
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(30, 25, 50, 0.9);
    padding: 0.75rem 1.25rem;
    color: #e6fffa;
    font-size: 0.875rem;
    font-weight: 500;
}

.copy-btn, .run-btn {
    background-color: rgba(79, 151, 255, 0.3);
    color: #e6fffa;
    border: none;
    padding: 0.375rem 0.875rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-left: 0.5rem;
    font-size: 0.75rem;
}

.copy-btn:hover, .run-btn:hover {
    background-color: rgba(79, 151, 255, 0.6);
    transform: translateY(-1px);
}

.ai-code-block pre {
    margin: 0;
    padding: 1.25rem;
    overflow-x: auto;
    background: #0d1117;
}

.image-preview {
    max-width: 100%;
    max-height: 300px;
    border-radius: 12px;
    margin-top: 0.75rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.code-execution-area {
    background: rgba(13, 17, 23, 0.95);
    border: 1px solid rgba(79, 151, 255, 0.3);
    border-radius: 12px;
    margin-top: 1rem;
    overflow: hidden;
}

.execution-header {
    background: rgba(30, 25, 50, 0.9);
    padding: 0.75rem 1.25rem;
    color: #e6fffa;
    font-weight: 500;
    border-bottom: 1px solid rgba(79, 151, 255, 0.2);
}

.execution-output {
    padding: 1.25rem;
    color: #e6fffa;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

.clear-chat-btn {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.clear-chat-btn:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.link-preview {
    background: rgba(30, 25, 50, 0.8);
    border: 1px solid rgba(138, 71, 255, 0.3);
    border-radius: 12px;
    padding: 1rem;
    margin: 1rem 0;
    backdrop-filter: blur(10px);
}

.link-preview h3 {
    color: #a78bfa;
    margin-bottom: 0.5rem;
}

.link-preview p {
    color: #d1d5db;
    font-size: 0.875rem;
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(138, 71, 255, 0.3); }
    50% { box-shadow: 0 0 30px rgba(138, 71, 255, 0.6); }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        top: 0;
        left: -100%;
        transition: left 0.3s ease;
        z-index: 1001;
    }
    .sidebar.active {
        left: 0;
    }
    .flex-1 {
        margin-left: 0;
        width: 100%;
    }
    .input-area .flex {
        flex-direction: column;
        align-items: stretch;
    }
    .main-input {
        margin-bottom: 0.5rem;
    }
    .glow-button {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}