@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* AloneAPI Light Theme */
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #f1f5f9;
    --border-subtle: #e2e8f0;
    --border-strong: #cbd5e1;
    --text-primary: #0f172a;
    --text-muted: #64748b;
    --accent-cyan: #0284c7;
    --accent-cyan-light: #0ea5e9;
    --accent-violet: #7c3aed;
    --accent-violet-light: #8b5cf6;
    --card-hover: rgba(0, 0, 0, 0.02);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(226, 232, 240, 0.8);
    --code-bg: #0f172a;
}

.dark {
    /* AloneAPI Obsidian & Charcoal Dark Theme */
    --bg-base: #09090b;
    --bg-surface: #121217;
    --bg-surface-elevated: #18181f;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --accent-cyan: #06b6d4;
    --accent-cyan-light: #38bdf8;
    --accent-violet: #8b5cf6;
    --accent-violet-light: #a855f7;
    --card-hover: rgba(255, 255, 255, 0.02);
    --glass-bg: rgba(18, 18, 23, 0.75);
    --glass-border: rgba(255, 255, 255, 0.08);
    --code-bg: #09090b;
}

* {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* Glassmorphism Classes */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.glass-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

/* Gradient Texts & Accents */
.gradient-text-cyan-violet {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
    background: linear-gradient(135deg, #06b6d4 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-border-glow {
    position: relative;
}
.gradient-border-glow::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.35), rgba(139, 92, 246, 0.35));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Glow Badges */
.badge-glow-cyan {
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

.badge-glow-violet {
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.25);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.2);
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.4);
}

/* Markdown Rendering in Chat */
.markdown-body {
    font-size: 0.95rem;
    line-height: 1.65;
}
.markdown-body p {
    margin-bottom: 0.85rem;
}
.markdown-body p:last-child {
    margin-bottom: 0;
}
.markdown-body pre {
    background-color: var(--code-bg) !important;
    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;
    padding: 1rem;
    margin: 0.85rem 0;
    overflow-x: auto;
    position: relative;
}
.markdown-body code {
    font-size: 0.85em;
    background-color: rgba(148, 163, 184, 0.15);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}
.markdown-body pre code {
    background-color: transparent !important;
    padding: 0;
    color: #e2e8f0;
}
.markdown-body ul {
    list-style-type: disc;
    padding-left: 1.25rem;
    margin-bottom: 0.85rem;
}
.markdown-body ol {
    list-style-type: decimal;
    padding-left: 1.25rem;
    margin-bottom: 0.85rem;
}
.markdown-body a {
    color: var(--accent-cyan);
    text-decoration: underline;
}

/* Typing Indicator Animation */
.typing-dots span {
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    margin: 0 2px;
    animation: bounce 1.4s infinite ease-in-out both;
}
.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }
@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); opacity: 0.3; }
    40% { transform: scale(1); opacity: 1; }
}

/* Message Animation */
.message-enter {
    opacity: 0;
    transform: translateY(10px);
    animation: messageFadeUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes messageFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse animation for status dots */
@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.15); }
}
.status-pulse {
    animation: pulseGlow 2s infinite ease-in-out;
}