/* CardMei Critical CSS — app shell first paint styles */
/* Loaded via <link> in index.html, no unsafe-inline needed */

/* === CSS Custom Properties (Light - default) === */
:root,[data-theme="light"]{--bg-primary:#fff;--bg-secondary:#f5f5f5;--bg-tertiary:#e0e0e0;--text-primary:#000;--text-secondary:#666;--text-tertiary:#999;--border-color:#ccc;--accent-color:#d946ef;--accent-hover:#a21caf}
[data-theme="dark"]{--bg-primary:#1a1a1a;--bg-secondary:#2d2d2d;--bg-tertiary:#404040;--text-primary:#fff;--text-secondary:#b3b3b3;--text-tertiary:#808080;--border-color:#555;--accent-color:#d946ef;--accent-hover:#a21caf}

/* === Reset === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased}
body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:1rem;line-height:1.6;color:var(--text-primary,#000);background-color:var(--bg-primary,#fff);min-height:100vh;min-width:360px;overflow-x:hidden}

/* === App Shell === */
#app{display:flex;flex-direction:column;min-height:100vh}
.content-area{flex:1;padding-bottom:calc(44px + 16px);overflow-y:auto;-webkit-overflow-scrolling:touch}
.skip-link{position:absolute;top:-40px;left:0;background:var(--accent-hover,#a21caf);color:#fff;padding:8px 16px;text-decoration:none;z-index:1000;border-radius:0 0 4px 0;font-weight:600}
.skip-link:focus{top:0;outline:3px solid var(--accent-hover);outline-offset:2px}
.loading{display:flex;align-items:center;justify-content:center;flex:1;font-size:18px;color:var(--text-primary)}

/* === Header === */
.header{position:sticky;top:0;z-index:100;background-color:var(--bg-primary,#fff);border-bottom:1px solid var(--border-color,#ccc)}
.header-content{display:flex;justify-content:space-between;align-items:center;padding:16px;max-width:100%}
.header-title{font-size:1.25rem;margin:0;color:var(--text-primary)}
.header-menu-btn{background:none;border:none;font-size:1.125rem;cursor:pointer;padding:8px;min-width:44px;min-height:44px;color:var(--text-primary)}

/* === Bottom Bar === */
.bottom-bar{position:fixed;bottom:0;left:0;right:0;z-index:100;background-color:var(--bg-primary,#fff);border-top:1px solid var(--border-color,#ccc)}
.bottom-bar-content{display:flex;justify-content:space-around;align-items:center;padding:8px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.bottom-bar-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px;background:none;border:none;cursor:pointer;color:#333;min-width:44px;min-height:44px;font-size:0.875rem;position:relative}
.bottom-bar-tab:hover,.bottom-bar-tab:focus{color:var(--accent-color,#d946ef);outline:2px solid var(--accent-color);outline-offset:2px}
.bottom-bar-tab.active{color:var(--accent-color,#d946ef);font-weight:600}
.bottom-bar-tab.active::after{content:'';position:absolute;bottom:4px;left:25%;right:25%;height:3px;background:var(--accent-color,#d946ef);border-radius:2px}
.tab-icon{font-size:1.125rem}.tab-label{font-size:0.875rem}

/* === Banner === */
#banner-container{position:sticky;top:0;z-index:99}

/* === Toast === */
.toast-container{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;max-width:90vw}
.toast{padding:12px 20px;border-radius:8px;font-size:0.875rem;box-shadow:0 4px 12px rgba(0,0,0,0.15);animation:toast-in 0.25s ease-out;max-width:400px}
.toast-success{background:#28a745;color:#fff}.toast-error{background:#dc3545;color:#fff}
@keyframes toast-in{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}