/* ARICA AI — Premium Black & White Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-sidebar: #09090B;
    --text-primary: #09090B;
    --text-secondary: #71717A;
    --accent-black: #000000;
    --border-color: #E4E4E7;
    --radius-main: 22px;
    --radius-sm: 12px;
    --radius-md: 16px;
    --transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
    --bg-primary: #09090B;
    --bg-secondary: #18181B;
    --bg-sidebar: #000000;
    --text-primary: #FAFAFA;
    --text-secondary: #A1A1AA;
    --border-color: #27272A;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

code, pre {
    font-family: 'JetBrains Mono', monospace;
}

/* 22px Radius Elements */
.rounded-arica {
    border-radius: var(--radius-main);
}
.rounded-arica-md {
    border-radius: var(--radius-md);
}
.rounded-arica-sm {
    border-radius: var(--radius-sm);
}

/* Glass & Blur effects */
.glass-panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.dark .glass-panel {
    background: rgba(24, 24, 27, 0.85);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #D4D4D8;
    border-radius: 9999px;
}
.dark ::-webkit-scrollbar-thumb {
    background: #3F3F46;
}

/* Chat Bubbles */
.chat-bubble-user {
    background-color: #F4F4F5;
    color: #18181B;
    border-radius: 22px 22px 4px 22px;
    padding: 14px 20px;
    max-width: 85%;
}
.dark .chat-bubble-user {
    background-color: #27272A;
    color: #FAFAFA;
}

.chat-bubble-ai {
    color: var(--text-primary);
    width: 100%;
    padding: 8px 4px;
}

/* Typing cursor animation */
.typing-cursor::after {
    content: '▋';
    display: inline-block;
    vertical-align: middle;
    margin-left: 2px;
    color: #000000;
    animation: blink 0.9s infinite;
}
.dark .typing-cursor::after {
    color: #FFFFFF;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Markdown Rendering in Chat */
.markdown-body {
    line-height: 1.7;
    font-size: 15.5px;
}
.markdown-body p {
    margin-bottom: 1rem;
}
.markdown-body p:last-child {
    margin-bottom: 0;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
    font-weight: 700;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}
.markdown-body h1 { font-size: 1.6rem; }
.markdown-body h2 { font-size: 1.35rem; }
.markdown-body h3 { font-size: 1.15rem; }
.markdown-body ul, .markdown-body ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}
.markdown-body ul { list-style-type: disc; }
.markdown-body ol { list-style-type: decimal; }
.markdown-body li { margin-bottom: 0.35rem; }
.markdown-body blockquote {
    border-left: 3px solid #000000;
    padding-left: 1rem;
    color: var(--text-secondary);
    margin: 1rem 0;
    font-style: italic;
}
.dark .markdown-body blockquote {
    border-left-color: #FFFFFF;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 14px;
}
.markdown-body th, .markdown-body td {
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    text-align: left;
}
.markdown-body th {
    background: #F4F4F5;
    font-weight: 600;
}
.dark .markdown-body th {
    background: #27272A;
}

/* Code block container */
.code-container {
    position: relative;
    background: #0D1117;
    border-radius: 12px;
    margin: 1.25rem 0;
    overflow: hidden;
    border: 1px solid #30363D;
}
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #161B22;
    padding: 6px 14px;
    font-size: 12px;
    color: #8B949E;
    border-bottom: 1px solid #30363D;
}
.code-copy-btn {
    background: transparent;
    border: none;
    color: #8B949E;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    transition: var(--transition);
}
.code-copy-btn:hover {
    color: #FFFFFF;
}
.code-container pre {
    margin: 0;
    padding: 14px;
    background: transparent;
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.5;
}

/* Smooth animations */
.fade-in {
    animation: fadeIn 200ms ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Drawers & Modals */
.drawer-backdrop {
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    transition: opacity 200ms ease-in-out;
}