@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&display=swap');

:root {
    --primary-color: #6d28d9;
    --primary-light: #8b5cf6;
    --primary-dark: #5b21b6;
    --secondary-color: #0369a1;
    --secondary-light: #0ea5e9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(255, 255, 255, 0.3);
}

.dark {
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --card-bg: rgba(15, 23, 42, 0.85);
    --card-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    min-height: 100vh;
    color: var(--text-primary);
    background: var(--bg-light);
    transition: all 0.3s ease;
}

.dark body {
    background: var(--bg-dark);
}

.main-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    padding: 16px;
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 12px 8px;
    margin-bottom: 16px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.new-chat-btn {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--primary-color);
    color: white;
    font-weight: 500;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.new-chat-btn:hover {
    background: var(--primary-dark);
}

.section-title {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 12px;
    margin-top: 16px;
}

.chat-list {
    list-style: none;
    margin-top: 8px;
}

.chat-item {
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-item:hover {
    background: rgba(109, 40, 217, 0.1);
}

.chat-item.active {
    background: rgba(109, 40, 217, 0.1);
    color: var(--primary-color);
}

.chat-item i {
    width: 20px;
    height: 20px;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 16px;
}

.settings-btn {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    background: transparent;
    color: var(--text-primary);
    font-weight: 500;
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.settings-btn:hover {
    background: rgba(109, 40, 217, 0.1);
}

/* Content Area */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    height: 100%;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 24px;
    scroll-behavior: smooth;
}

.message {
    margin-bottom: 24px;
    max-width: 90%;
}

.message-content {
    padding: 16px 24px;
    border-radius: 18px;
    line-height: 1.5;
    font-size: 16px;
    position: relative;
}

.ai-message .message-content {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-top-left-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.user-message {
    margin-left: auto;
}

.user-message .message-content {
    background: var(--primary-color);
    color: white;
    border-top-right-radius: 4px;
}

.input-container {
    padding-top: 16px;
    position: relative;
}

.input-box {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 8px 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.input-box textarea {
    flex: 1;
    border: none;
    background: transparent;
    resize: none;
    padding: 12px 16px;
    font-size: 16px;
    color: var(--text-primary);
    max-height: 200px;
    outline: none;
}

.input-box textarea::placeholder {
    color: var(--text-secondary);
}

.send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.send-btn:hover {
    background: var(--primary-dark);
}

.disclaimer {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 12px;
    padding: 0 16px;
}

/* Glass morphism effect */
.sidebar, .message-content, .input-box {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Responsive styles */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        height: 100vh;
        z-index: 100;
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .content-area {
        padding: 0;
    }
    
    .message {
        max-width: 100%;
    }
}

/* Animation for messages */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message {
    animation: fadeIn 0.3s ease forwards;
}