:root {
    --bg: #f0f2f5;
    --text: #1a1a2e;
    --text-secondary: #666;
    --card-bg: rgba(255,255,255,0.6);
    --card-border: rgba(255,255,255,0.5);
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --navbar-bg: rgba(255,255,255,0.5);
    --navbar-border: rgba(255,255,255,0.3);
    --input-bg: rgba(255,255,255,0.8);
    --input-border: #ddd;
    --shadow: rgba(0,0,0,0.06);
}
[data-theme="dark"] {
    --bg: #0a0a12;
    --text: #e0f0ff;
    --text-secondary: #8ab;
    --card-bg: rgba(16,16,30,0.6);
    --card-border: rgba(0,200,255,0.1);
    --accent: #00d4ff;
    --accent-hover: #00b8e6;
    --navbar-bg: rgba(10,10,18,0.6);
    --navbar-border: rgba(0,200,255,0.1);
    --input-bg: rgba(20,20,40,0.6);
    --input-border: rgba(0,200,255,0.2);
    --shadow: rgba(0,200,255,0.05);
}
[data-theme="soft"] {
    --bg: #f8f0ff;
    --text: #3d204a;
    --text-secondary: #9a7aaa;
    --card-bg: rgba(255,255,255,0.7);
    --card-border: rgba(200,160,220,0.2);
    --accent: #b366d4;
    --accent-hover: #9a4fb8;
    --navbar-bg: rgba(255,255,255,0.5);
    --navbar-border: rgba(200,160,220,0.15);
    --input-bg: rgba(255,255,255,0.8);
    --input-border: #ddd;
    --shadow: rgba(180,130,200,0.1);
}
body { background: var(--bg); color: var(--text); }