/* MarkItDown Studio - Premium Minimalist Tailwind CSS Design Sheet */

:root {
    --accent-purple: #2563eb;    /* Cobalt Blue accent color */
    --accent-light: #eff6ff;     /* Light Cobalt background for active items */
    --border-color: #e4e4e7;     /* Zinc-200 border color */
    --text-primary: #09090b;     /* Zinc-950 text */
    --text-secondary: #71717a;   /* Zinc-500 text */
    
    --radius-lg: 0.75rem;        /* 12px rounded corners */
    --radius-md: 0.5rem;         /* 8px rounded corners */
    --radius-sm: 0.25rem;        /* 4px rounded corners */
    
    --font-heading: 'Outfit', sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Env status indicator colors */
    --color-success: #10b981;
    --color-success-bg: #ecfdf5;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;
    --color-error: #ef4444;
    --color-error-bg: #fef2f2;
}

/* Custom Scrollbar Styles for WebKit Browsers */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #e4e4e7;
    border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4d4d8;
}

/* App Container Layout Tweaks */
.app-container {
    height: 100vh;
    width: 100vw;
}

/* Segmented Tab Controls */
.control-btn {
    color: #71717a;
    transition: all 0.15s ease;
}

.control-btn:hover {
    color: #09090b;
}

.control-btn.active {
    background-color: #ffffff !important;
    color: #09090b !important;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

/* Tab Panes */
.tab-pane {
    display: none !important;
}

.tab-pane.active {
    display: block !important;
}

#pane-editor.tab-pane.active {
    display: flex !important;
}

/* Active File Cards in Sidebar */
.file-card.active {
    border-color: var(--accent-purple) !important;
    background-color: var(--accent-light) !important;
    box-shadow: 0 0 0 1px var(--accent-purple);
}

/* Environment Status Indicator Pulse Animation */
.status-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 4px;
    line-height: 1.2;
}

.status-badge.initializing {
    color: var(--color-warning);
    background-color: var(--color-warning-bg);
    border: 1px solid #fde68a;
}

.status-badge.ready {
    color: var(--color-success);
    background-color: var(--color-success-bg);
    border: 1px solid #a7f3d0;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: currentColor;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.5);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 4px rgba(245, 158, 11, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
    }
}

.status-badge.ready .pulse-dot {
    animation: pulse-ready 1.8s infinite;
}

@keyframes pulse-ready {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Global Drag Overlays active state toggles */
.drag-overlay.active {
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* Markdown Rendering Engine Styling (.markdown-body) */
.markdown-body {
    font-size: 14px;
    line-height: 1.7;
    color: #18181b;     /* zinc-800 */
    max-width: 800px;
    margin: 0 auto;
    font-family: var(--font-sans);
}

.markdown-body h1, .markdown-body h2, .markdown-body h3, 
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    font-family: var(--font-heading);
    color: #09090b;     /* zinc-950 */
    margin-top: 1.75em;
    margin-bottom: 0.5em;
    font-weight: 700;
    line-height: 1.3;
}

.markdown-body h1 {
    font-size: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-top: 0;
}

.markdown-body h2 {
    font-size: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.markdown-body h3 { font-size: 16px; }
.markdown-body h4 { font-size: 14px; }

.markdown-body p {
    margin-bottom: 1.25em;
}

.markdown-body a {
    color: var(--accent-purple);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.15s ease;
}

.markdown-body a:hover {
    color: #1d4ed8;
}

.markdown-body blockquote {
    padding: 8px 16px;
    color: #52525b;      /* zinc-600 */
    border-left: 4px solid var(--accent-purple);
    background-color: #f8fafc;
    margin: 1.5em 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.markdown-body code {
    font-family: var(--font-mono);
    padding: 2px 4px;
    font-size: 12px;
    background-color: #f4f4f5;
    border: 1px solid #e4e4e7;
    border-radius: 4px;
    color: #09090b;
}

.markdown-body pre {
    padding: 16px;
    overflow: auto;
    font-size: 13px;
    line-height: 1.5;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin: 1.5em 0;
}

.markdown-body pre code {
    padding: 0;
    background-color: transparent;
    border: none;
    border-radius: 0;
    color: inherit;
}

.markdown-body ul, .markdown-body ol {
    padding-left: 20px;
    margin-bottom: 1.25em;
    list-style-position: outside;
}

.markdown-body ul {
    list-style-type: list-style-type;
}

.markdown-body li {
    margin-bottom: 0.25em;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 13px;
}

.markdown-body th, .markdown-body td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.markdown-body th {
    background-color: #f4f4f5;
    font-weight: 600;
}

.markdown-body tr:nth-child(even) {
    background-color: #fafafa;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin: 1.5em 0;
}

/* Accessibility Focus Ring Styles for Keyboard Navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[role="button"]:focus-visible {
    outline: 2px solid var(--accent-purple) !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15) !important;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
    outline: none !important;
    box-shadow: none !important;
}