/**
 * Centralized Theme Styles
 * Shared across all HTML Tools
 */

/* ========================================
   COLOR VARIABLES
   ======================================== */

:root {
    /* Light mode - Core colors */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #333;
    --text-secondary: #666;
    --border-color: #e0e0e0;
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --shadow: rgba(0, 0, 0, 0.1);
}

body.dark-mode {
    /* Dark mode - Core colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    --accent-primary: #8b9eff;
    --accent-secondary: #9d6bc7;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* ========================================
   GLOBAL RESET & BASE STYLES
   ======================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========================================
   THEME TOGGLE BUTTON
   ======================================== */

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 20px;
    box-shadow: 0 2px 10px var(--shadow);
    transition: all 0.3s ease;
    z-index: 1000;
}

.theme-toggle:hover {
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */

@media (max-width: 600px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
        padding: 8px 16px;
        font-size: 18px;
    }
}