:root {
    --bg-color: #f2f2f7;
    --text-color: #1c1c1e;
    --text-secondary: #636366;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    --nav-bg: rgba(255, 255, 255, 0.85);
    --nav-border: rgba(0, 0, 0, 0.05);
    --shadow-soft: 0 8px 32px 0 rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    --dock-bg: rgba(255, 255, 255, 0.8);
    --dock-text: #1c1c1e;
}
.dark {
    --bg-color: #050505;
    --text-color: #ffffff;
    --text-secondary: #9ca3af;
    --glass-bg: rgba(30, 30, 35, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(5, 5, 5, 0.85);
    --nav-border: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 40px -10px rgba(59, 130, 246, 0.15);
    --dock-bg: rgba(20, 20, 20, 0.6);
    --dock-text: #ffffff;
}
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}
::-webkit-scrollbar { width: 0; background: transparent; }
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}
.glass-nav {
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--nav-border);
}
.floating-dock {
    background: var(--dock-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--nav-border);
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.1);
    color: var(--dock-text);
}
.widget-hover { transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, border-color 0.3s ease; }
.widget-hover:active { transform: scale(0.96); }
@media (hover: hover) {
    .widget-hover:hover {
        transform: translateY(-4px) scale(1.01);
        border-color: rgba(59, 130, 246, 0.3);
        box-shadow: var(--shadow-hover);
    }
}
.ambient-light {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.1), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.1), transparent 25%);
}
.dark .ambient-light {
    background:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15), transparent 25%);
}
.loader-overlay {
    position: fixed; inset: 0; background: var(--bg-color); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s ease;
}
.bento-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 768px) {
    .bento-grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(180px, auto); }
    .span-2 { grid-column: span 2; }
    .span-row-2 { grid-row: span 2; }
}
.theme-toggle {
    cursor: pointer; width: 50px; height: 28px; border-radius: 999px; background: #e4e4e7;
    position: relative; display: flex; align-items: center; padding: 2px;
}
.dark .theme-toggle { background: #3f3f46; }
.theme-toggle-thumb {
    width: 24px; height: 24px; background: white; border-radius: 50%;
    position: absolute; left: 2px; display: flex; align-items: center; justify-content: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.dark .theme-toggle-thumb { transform: translateX(22px); background: #18181b; }
.theme-icon { font-size: 12px; color: #fbbf24; }
.dark .theme-icon { color: #a1a1aa; }