/**
 * SAGE - Themes and CSS Custom Properties
 * Contains theme variables, color schemes, and global design tokens
 */

/* CSS Custom Properties for Responsive Design & Theming */
:root {
    --breakpoint-mobile: 768px;
    --breakpoint-tablet: 1024px;
    --breakpoint-desktop: 1200px;
    
    --container-padding: 1rem;
    --container-gap: 2rem;
    --config-panel-width: 350px;
    --questions-canvas-width: 1fr;
}

/* Dark Theme (Default) */
:root,
[data-theme="dark"] {
    --bg-primary: #23272f;
    --bg-secondary: #18181b;
    --surface: rgba(44, 46, 56, 0.85);
    --surface-elevated: rgba(55, 58, 68, 0.90);
    --accent: #f87171;
    --accent-hover: #ef4444;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-color: rgba(248, 113, 113, 0.2);
    --border-hover: rgba(248, 113, 113, 0.4);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --input-bg: rgba(35, 39, 47, 0.9);
    --button-bg: rgba(248, 113, 113, 0.1);
    --button-hover: rgba(248, 113, 113, 0.2);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --surface: rgba(255, 255, 255, 0.85);
    --surface-elevated: rgba(248, 250, 252, 0.90);
    --accent: #dc2626;
    --accent-hover: #b91c1c;
    --text-primary: #111827;
    --text-secondary: #374151;
    --text-muted: #4b5563;
    --border-color: rgba(17, 24, 39, 0.2);
    --border-hover: rgba(220, 38, 38, 0.4);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --input-bg: rgba(249, 250, 251, 0.9);
    --button-bg: rgba(220, 38, 38, 0.1);
    --button-hover: rgba(220, 38, 38, 0.2);
}

/* Theme Transition */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* Base Body Styling */
body {
    font-family: 'Inter', 'Georgia', serif;
    background: radial-gradient(ellipse at top left, var(--bg-primary) 60%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    position: relative;
    overflow-x: hidden;
}