.app-container{display:flex;flex-direction:column;height:100vh;position:relative;overflow:hidden}.top-alert{position:absolute;top:0;left:0;right:0;background-color:var(--danger);color:#fff;padding:.75rem 1rem;font-size:.85rem;font-weight:500;text-align:center;z-index:50;box-shadow:var(--shadow-md)}.main-content{flex:1;overflow-y:auto;padding:1rem 1rem 6rem;-webkit-overflow-scrolling:touch}.bottom-nav{position:absolute;bottom:0;left:0;right:0;height:4.5rem;display:flex;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--border-color);z-index:40}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-secondary);text-decoration:none;font-size:.7rem;color:#94a3b8;gap:.25rem;flex:1;transition:color .2s}.nav-item.active{color:var(--accent-primary);font-weight:600}.nav-item span{margin-top:2px}.fab-container{position:relative;flex:1;display:flex;justify-content:center}.fab-button{position:absolute;top:-2.5rem;width:3.5rem;height:3.5rem;border-radius:50%;background-color:var(--accent-primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s,background-color .2s;box-shadow:0 10px 15px -3px #3b82f666}.fab-button:hover{background-color:var(--accent-hover);transform:scale(1.05)}.fab-button:active{transform:scale(.95)}:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--text-primary: #ffffff;--text-secondary: #64748b;--accent-primary: #3b82f6;--accent-hover: #2563eb;--danger: #ef4444;--border-color: #e2e8f0;--glass-bg: rgba(255, 255, 255, .85);--glass-border: rgba(255, 255, 255, .2);--glass-blur: blur(12px);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-floating: 0 20px 25px -5px rgb(0 0 0 / .15), 0 8px 10px -6px rgb(0 0 0 / .1)}@media (prefers-color-scheme: dark){:root{--bg-primary: #f8fafc;--bg-secondary: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #60a5fa;--accent-hover: #3b82f6;--border-color: #334155;--glass-bg: rgba(30, 41, 59, .85);--glass-border: rgba(255, 255, 255, .05)}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;min-height:100vh;display:flex;flex-direction:column}#root{flex:1;display:flex;flex-direction:column;position:relative;max-width:600px;margin:0 auto;width:100%;background-color:var(--bg-secondary);box-shadow:var(--shadow-2xl);min-height:100vh}h1,h2,h3{font-weight:600;line-height:1.2}h1{font-size:1.5rem}h2{font-size:1.25rem}p{color:var(--text-secondary);font-size:.95rem}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-slide-up{animation:slideUp .3s cubic-bezier(.16,1,.3,1) forwards}.animate-fade-in{animation:fadeIn .2s ease-out forwards}.btn-primary{background-color:var(--accent-primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:12px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px)}.btn-primary:active{transform:translateY(1px)}.glass-panel{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border)}