/* ========================================
   FlowStudio - Modern CSS Design System
   ======================================== */

:root {
    /* Colors */
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --secondary: #6B7280;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #0EA5E9;
    
    /* Grays */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Light Theme (Default) */
:root, [data-theme="light"] {
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    
    /* Background */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    
    /* Borders */
    --border-color: #E5E7EB;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* Dark Theme */
[data-theme="dark"] {
    /* Text Colors */
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-muted: #9CA3AF;
    
    /* Background */
    --bg-primary: #1F2937;
    --bg-secondary: #111827;
    --bg-tertiary: #374151;
    
    /* Borders */
    --border-color: #374151;
    
    /* Shadows - stärker für Dark Mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.6);
    
    /* Primary anpassen für besseren Kontrast */
    --primary: #60A5FA;
    --primary-dark: #3B82F6;
    --primary-light: #93C5FD;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
    font-size: 16px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Theme Toggle (global) */
[data-theme="dark"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: block !important; }
[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none !important; }

/* Touch-Optimierungen für Touch-Geräte */
@media (pointer: coarse) {
    /* Größere Touch-Targets auf Touch-Geräten */
    .djs-connection .djs-hit {
        stroke-width: 24px !important;
    }
    
    .djs-context-pad .entry {
        min-width: 40px !important;
        min-height: 40px !important;
    }
    
    .djs-segment-dragger,
    .djs-bendpoint {
        r: 10 !important;
    }
}

/* Labels sollen Touch durchlassen zum Element darunter */
#canvas .djs-label,
#canvas .djs-label * {
    pointer-events: none !important;
}

/* Hit-Bereiche vergroessern auf Touch-Geraeten */
@media (pointer: coarse) {
    .djs-hit {
        stroke-width: 30px !important;
    }
}

/* User-Select nur bei Drag-Operationen verhindern */
.djs-dragging,
.djs-drag-active {
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
}

/* Palette Width Fix - Override bpmn-js default */
.djs-palette {
    width: auto !important;
    min-width: 100px !important;
}

#canvas .djs-palette {
    width: auto !important;
    min-width: 100px !important;
}

/* Palette Cursor */
.djs-palette .entry {
    cursor: pointer !important;
}