/* css/global.css */

:root {
    /* These are just fallbacks. The Theme Engine overwrites them instantly. */
    --bg-base: #f4f7f6;
    --bg-surface: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent-primary: #4CAF50;
    --accent-hover: #45a049;
    --border-color: #dddddd;
    --danger-color: #e74c3c;
    
    /* Immutable layout variables */
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }

body { background-color: var(--bg-base); color: var(--text-primary); overflow: hidden; transition: background-color 0.3s ease, color 0.3s ease; }

/* A. Top Navigation Bar */
#global-header { position: sticky; top: 0; z-index: 999; height: 60px; background-color: var(--bg-surface); border-bottom: 2px solid var(--accent-primary); display: flex; justify-content: space-between; align-items: center; padding: 0 20px; box-shadow: var(--shadow-sm); transition: background-color 0.3s ease, border-color 0.3s ease; }
.header-left, .header-center, .header-right { display: flex; align-items: center; gap: 15px; }
.header-center { flex-grow: 1; justify-content: center; max-width: 600px; }
#app-title { font-size: 1.2rem; font-weight: 600; white-space: nowrap; }

#global-search { width: 100%; padding: 8px 15px; border-radius: 20px; border: 1px solid var(--border-color); background-color: var(--bg-base); color: var(--text-primary); transition: border-color 0.2s ease; }
#global-search:focus { outline: none; border-color: var(--accent-primary); }

button { background: none; border: none; cursor: pointer; color: var(--text-primary); }
#bento-trigger, #global-settings-trigger, .icon-btn { display: flex; align-items: center; justify-content: center; padding: 8px; border-radius: var(--radius-md); transition: background-color 0.2s ease; }
#bento-trigger:hover, #global-settings-trigger:hover, .icon-btn:hover { background-color: rgba(128, 128, 128, 0.15); }

/* B. Bento Menu */
#bento-menu { position: absolute; top: 65px; left: 15px; background-color: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 15px; z-index: 1000; width: 320px; opacity: 1; transform: translateY(0); transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s; }
#bento-menu.hidden { opacity: 0; transform: translateY(-10px); visibility: hidden; pointer-events: none; }
.bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.bento-item { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 15px 5px; border-radius: var(--radius-md); transition: background-color 0.2s, transform 0.1s; }
.bento-item:hover { background-color: rgba(128, 128, 128, 0.1); transform: translateY(-2px); }
.bento-icon { font-size: 2rem; margin-bottom: 8px; }
.bento-label { font-size: 0.8rem; font-weight: bold; color: var(--text-secondary); }

/* C. Main Stage */
#app-container { 
    height: calc(100vh - 60px); /* Fallback for older browsers */
    height: calc(100dvh - 60px); /* Dynamic Viewport Height fixes the mobile cutoff issue */
    overflow-y: auto; 
    padding: 20px; 
    padding-bottom: 100px; /* Heavy bottom padding ensures you can over-scroll past the lowest button */
    scroll-behavior: smooth; 
    position: relative; 
}
#app-container::-webkit-scrollbar { width: 8px; }
#app-container::-webkit-scrollbar-track { background: transparent; }
#app-container::-webkit-scrollbar-thumb { background-color: var(--border-color); border-radius: 4px; }