/* Theme Variables */

:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-nav: #fafafa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --accent: #0066cc;
    --accent-hover: #0052a3;
    --border-color: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-nav: #242424;
    --text-primary: #f5f5f5;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --accent: #4d94ff;
    --accent-hover: #6ba6ff;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* Base Theme Transitions */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    transition: all var(--transition-speed);
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px var(--shadow);
}

.theme-toggle:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

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

/* Theme Icon */
[data-theme="dark"] .theme-icon::before {
    content: "🌙";
}

[data-theme="light"] .theme-icon::before {
    content: "☀️";
}

.theme-icon::before {
    content: "☀️";
}