/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --orange: #F38020;
    --blue: #0051C3;
    --dark-blue: #003681;
    --light-gray: #F5F5F5;
    --gray: #E0E0E0;
    --dark-gray: #666;
    --text-dark: #1a1a1a;
    --white: #ffffff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 40px);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.app-type-select {
    padding: 8px 16px;
    border: 2px solid var(--white);
    border-radius: 6px;
    background: var(--white);
    color: var(--blue);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.app-type-select:hover {
    background: var(--light-gray);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
}

.btn-primary:hover {
    background: #d97019;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(243, 128, 32, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--blue);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--light-gray);
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    flex: 1;
    overflow: hidden;
}

/* Chat Panel */
.chat-panel {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--gray);
    background: var(--white);
    height: 100%;
    overflow: hidden;
}

.example-questions {
    padding: 20px;
    background: var(--light-gray);
    border-bottom: 1px solid var(--gray);
}

.example-questions h3 {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#exampleList {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.example-question {
    padding: 8px 12px;
    background: var(--white);
    border: 1px solid var(--gray);
    border-radius: 6px;
    font-size: 13px;
    color: var(--blue);
    cursor: pointer;
    transition: all 0.3s;
}

.example-question:hover {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
    transform: translateY(-1px);
}

/* Messages */
.messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0; /* Important for flex scrolling */
    max-height: 100%; /* Ensure it doesn't exceed container */
}

.message {
    display: flex;
    gap: 12px;
    animation: fadeIn 0.3s ease-in;
    max-width: 100%;
    overflow: hidden;
}

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

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.user-message .avatar {
    background: var(--blue);
    color: var(--white);
}

.assistant-message .avatar {
    background: var(--orange);
    color: var(--white);
}

.message-content {
    flex: 1;
    padding: 12px 16px;
    border-radius: 8px;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.user-message .message-content {
    background: var(--light-gray);
}

.assistant-message .message-content {
    background: #fff5f0;
    border: 1px solid #ffe5d5;
}

.message-content code {
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    word-break: break-word;
}

.message-content pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 8px 0;
    max-width: 100%;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.message-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    white-space: pre-wrap;
}

/* Chat Input */
.chat-input-container {
    border-top: 1px solid var(--gray);
    padding: 20px;
    background: var(--white);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
    padding-left: 12px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--orange);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

.chat-form {
    display: flex;
    gap: 12px;
}

.chat-form input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--gray);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.chat-form input:focus {
    outline: none;
    border-color: var(--blue);
}

/* Preview Panel */
.preview-panel {
    display: flex;
    flex-direction: column;
    background: var(--light-gray);
}

.panel-header {
    padding: 20px;
    background: var(--white);
    border-bottom: 1px solid var(--gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.export-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.export-format-select {
    padding: 6px 12px;
    border: 1px solid var(--gray);
    border-radius: 6px;
    font-size: 13px;
    background: var(--white);
    cursor: pointer;
}

/* Rules Preview */
.rules-preview {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.placeholder {
    text-align: center;
    color: var(--dark-gray);
    padding: 40px 20px;
    font-style: italic;
}

.rule-card {
    background: var(--white);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.rule-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.rule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.rule-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.rule-action {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.action-block {
    background: #ffe5e5;
    color: #cc0000;
}

.action-challenge {
    background: #fff4e5;
    color: #cc8800;
}

.action-log {
    background: #e5f5ff;
    color: #0066cc;
}

.action-allow {
    background: #e5ffe5;
    color: #00cc00;
}

.rule-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rule-field {
    display: flex;
    gap: 8px;
    overflow: hidden;
    word-wrap: break-word;
}

.rule-field label {
    font-weight: 600;
    color: var(--dark-gray);
    min-width: 80px;
}

.rule-field code {
    background: #f5f5f5;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 12px;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    display: block;
    max-width: 100%;
}

/* Responsive Design */
@media (max-width: 968px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .chat-panel {
        border-right: none;
        border-bottom: 2px solid var(--gray);
    }

    .header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .app-type-select {
        flex: 1;
    }
}

@media (max-width: 640px) {
    body {
        padding: 0;
    }

    .container {
        border-radius: 0;
        height: 100vh;
    }

    .example-questions {
        padding: 12px;
    }

    #exampleList {
        flex-direction: column;
    }

    .example-question {
        width: 100%;
    }

    .messages {
        padding: 12px;
    }

    .chat-input-container {
        padding: 12px;
    }

    .rules-preview {
        padding: 12px;
    }
}

/* Scrollbar Styling */
.messages::-webkit-scrollbar,
.rules-preview::-webkit-scrollbar {
    width: 10px;
}

.messages::-webkit-scrollbar-track,
.rules-preview::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 5px;
}

.messages::-webkit-scrollbar-thumb,
.rules-preview::-webkit-scrollbar-thumb {
    background: var(--dark-gray);
    border-radius: 5px;
    border: 2px solid var(--light-gray);
}

.messages::-webkit-scrollbar-thumb:hover,
.rules-preview::-webkit-scrollbar-thumb:hover {
    background: var(--blue);
}

/* Smooth scrolling */
.messages {
    scroll-behavior: smooth;
}

.rules-preview {
    scroll-behavior: smooth;
}