.layout-container{display:flex;flex-direction:column;min-height:100vh;background:var(--color-bg)}.fixed-banner{position:sticky;top:0;z-index:999;background:linear-gradient(to right,var(--color-banner-yellow-light),var(--color-banner-yellow-deep));color:var(--color-banner-text);padding:.75rem 1rem;display:flex;justify-content:space-between;align-items:center;font-size:.95rem;font-weight:500;border-bottom:1px solid var(--color-banner-border);box-shadow:0 1px 6px var(--color-shadow)}.banner-text{flex:1;text-align:left}.fixed-banner .close-button{background:none;border:none;font-size:1.25rem;cursor:pointer;color:var(--color-primary-dark);color:#666}.layout-content{flex:1;padding:1.5rem;overflow-y:auto;position:relative;padding-bottom:calc(5rem + env(safe-area-inset-bottom,24px))}.layout-tab-bar{position:fixed;bottom:0;left:0;right:0;z-index:1000;display:flex;justify-content:space-around;align-items:center;border-top:1px solid var(--color-border);background:var(--color-surface);padding:.5rem .25rem;padding-bottom:env(safe-area-inset-bottom,24px)}.tab-button{flex:1;padding:.75rem 1rem;margin:0 .25rem;border-radius:var(--radius-medium);font-weight:500;font-size:.95rem;color:var(--color-subtext);background:transparent;transition:background var(--transition),color var(--transition)}.tab-button:hover{background:var(--color-surface-light);color:var(--color-text)}.tab-button.active{background:var(--color-primary);color:var(--color-button-text)}.splash-screen{background:#ffe5ec;color:#e06b88;display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;font-family:var(--font-family);transition:opacity .4s ease-in-out}.splash-title{font-size:2rem;font-weight:600;margin-bottom:.5rem}.splash-message{font-size:1.1rem;color:#b26c7d}@media (max-width: 480px){.splash-title{font-size:1.4rem}.splash-message{font-size:.95rem}}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button,input,textarea,select{font-family:inherit;background:none;border:none;outline:none}ul,ol{list-style:none}body{line-height:1.6}