:root {
    /* Global non-theme variables */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Default theme (Dark) */
    --bg: #000000;
    --panel: #0f0f0f;
    --panel-gradient: linear-gradient(135deg, #0f0f0f 0%, #000000 100%);
    --border: rgba(255, 255, 255, 0.06);
    --text: #e7eef6;
    --text-muted: rgba(255, 255, 255, 0.6);
    --accent: #00c7ff;
    --accent-bright: #00d4ff;
    --accent-dim: rgba(0, 199, 255, 0.1);
    --accent-dim-border: rgba(0, 199, 255, 0.2);
    --nav-bg: linear-gradient(180deg, #000 0%, #070707 100%);
    --footer-bg: #000000;
    --input-bg: #000000;
}

[data-theme="light"] {
    --bg: #ffffff;
    --panel: #f8f9fa;
    --panel-gradient: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    --border: #dddddd;
    --text: #1a1a1a;
    --text-muted: #666666;
    --accent: #0066cc;
    --accent-bright: #0077ee;
    --accent-dim: rgba(0, 102, 204, 0.05);
    --accent-dim-border: rgba(0, 102, 204, 0.1);
    --nav-bg: #f8f9fa;
    --footer-bg: #f8f9fa;
    --input-bg: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg) !important;
    color: var(--text) !important;
    font-family: var(--font-main);
    transition: background-color 0.3s ease, color 0.3s ease;
    margin: 0;
}

/* Common Text Utilities */
.text-accent { color: var(--accent) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-light { color: var(--text) !important; }

/* Global components using variables */
.card {
    background: var(--panel) !important;
    border: 1px solid var(--border) !important;
    border-radius: 0.625rem;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--accent-dim-border) !important;
    box-shadow: 0 8px 24px var(--accent-dim);
}

.container, .container-fluid, main {
    background-color: transparent !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text);
    font-weight: 700;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-bright);
}

/* Hero Section */
.page-header, .blog-hero, .about-page-header, .news-page-header, .profile-show-header {
    background: linear-gradient(135deg, var(--accent-dim) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-bottom: 1px solid var(--border);
    padding: 3rem 0;
    margin-bottom: 3rem;
}

.page-header h1, .blog-hero h1, .about-page-header h1, .news-page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent) 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}