/* Layout Styles */

/* View Container */
#view-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* View Base */
.view {
    display: none;
    flex: 1;
    flex-direction: column;
    min-height: 0;
}

.view.active {
    display: flex;
}

/* Auth View */
.auth-view {
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

/* Chat View */
.chat-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 280px;
    display: flex;
    flex-direction: column;
    background: var(--background-secondary);
    border-right: 1px solid var(--border-primary);
    overflow: hidden;
    transition: transform var(--transition-base);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--background-primary);
}

.chat-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--background-secondary);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.chat-header-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-active));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.chat-header-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
}

/* Messages Area */
.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.welcome-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-xl);
}

.welcome-logo {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-active));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
}

.welcome-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
}

.welcome-subtitle {
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.6;
}

.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    max-width: 600px;
}

.chip {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--background-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.chip:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Input Area */
.input-area {
    padding: var(--spacing-lg);
    background: var(--background-secondary);
    border-top: 1px solid var(--border-primary);
}

.input-container {
    display: flex;
    gap: var(--spacing-md);
    background: var(--background-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.input-container:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(174, 157, 93, 0.1);
}

.message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    resize: none;
    outline: none;
    font-family: var(--font-body);
    min-height: 24px;
    max-height: 120px;
}

.message-input::placeholder {
    color: var(--text-muted);
}

.send-button {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-active));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.send-button:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent-primary));
    transform: translateY(-1px);
}

.send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Mobile Responsive */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 100;
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .mobile-menu-button {
        display: block;
    }
    
    .chat-header-title {
        font-size: 1rem;
    }
    
    .welcome-logo {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .welcome-title {
        font-size: 1.5rem;
    }
}

@media (min-width: 769px) {
    .mobile-menu-button {
        display: none;
    }
}