.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:56px;background:var(--bg-secondary);border-top:1px solid var(--border);display:flex;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom);z-index:100}.nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:48px;background:none;border:none;color:var(--text-secondary);cursor:pointer;transition:color var(--transition-quick),transform var(--transition-quick);position:relative}.nav-tab.active{color:var(--primary);font-weight:600}.nav-tab.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:32px;height:2px;background:var(--primary);border-radius:2px}.nav-tab:hover{color:var(--text-primary)}.nav-tab:active{transform:scale(.95)}.nav-icon{font-size:24px;line-height:1}.nav-label{font-size:10px;font-weight:500}@media (min-width: 1024px){.bottom-nav{top:0;bottom:auto;height:60px;flex-direction:row;padding-bottom:0}.nav-tab{flex-direction:row;gap:8px;min-height:44px}.nav-icon{font-size:20px}.nav-label{font-size:14px}}.section{max-width:100%;padding:var(--space-2)}.section-header{margin-bottom:var(--space-3)}.section-header h1{font-size:28px;font-weight:700;line-height:1.2;margin-bottom:var(--space-1);color:var(--text-primary)}.section-header p{color:var(--text-secondary);font-size:14px;line-height:1.5}.section-content{display:flex;flex-direction:column;gap:var(--space-2)}.card{background:var(--bg-secondary);border-radius:var(--radius-md);padding:var(--space-2);border:1px solid var(--border);box-shadow:0 1px 3px var(--shadow);transition:box-shadow var(--transition-quick),transform var(--transition-quick)}.card:hover{box-shadow:0 4px 12px var(--shadow-md)}.card h2{font-size:20px;font-weight:600;line-height:1.3;margin-bottom:var(--space-2);color:var(--text-primary)}.card h3{font-size:16px;font-weight:600;line-height:1.4;margin-bottom:var(--space-1);color:var(--text-primary)}.card ul{margin-left:20px;color:var(--text-secondary)}.card li{margin-bottom:4px}.btn-primary{background:var(--primary);color:#fff;padding:12px 24px;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;border:none;min-height:48px;transition:background var(--transition-quick),transform var(--transition-quick),box-shadow var(--transition-quick);box-shadow:0 1px 2px #2563eb33}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 4px 8px #2563eb4d;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0) scale(.98);box-shadow:0 1px 2px #2563eb33}.btn-small{padding:6px 12px;border-radius:var(--radius-sm);font-size:14px;min-height:32px;font-weight:500}.btn-danger{background:var(--error);color:#fff;border:none;box-shadow:0 1px 2px #ef444433}.btn-danger:hover{background:#dc2626;box-shadow:0 4px 8px 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p{font-size:14px;color:var(--text-secondary)}.empty-state{text-align:center;padding:48px 16px;color:var(--text-tertiary)}.button-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-2)}.settings-group{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-2);box-shadow:0 1px 3px var(--shadow)}.settings-group h3{font-size:16px;font-weight:600;margin-bottom:var(--space-2);color:var(--text-primary)}.settings-group p{margin-bottom:var(--space-1);font-size:14px;line-height:1.5;color:var(--text-secondary)}@media (min-width: 1024px){.section{max-width:1200px;margin:0 auto;padding:var(--space-4)}.section-header h1{font-size:36px}.section-content{gap:var(--space-3)}}.toast-container{position:fixed;bottom:calc(56px + var(--space-2) + 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.12);--shadow-lg: rgba(15, 23, 42, .16);--tap-highlight: rgba(37, 99, 235, .1);--space-1: 8px;--space-2: 16px;--space-3: 24px;--space-4: 32px;--space-6: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--transition-quick: .15s ease-out;--transition-standard: .25s ease-out;--transition-complex: .35s ease-out}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #262626;--bg-tertiary: #404040;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-tertiary: #64748b;--primary: #3b82f6;--primary-hover: #60a5fa;--primary-light: #1e3a8a;--secondary: #8b5cf6;--secondary-hover: #a78bfa;--success: #34d399;--error: #f87171;--warning: #fbbf24;--info: #60a5fa;--border: #404040;--shadow: rgba(0, 0, 0, .2);--shadow-md: rgba(0, 0, 0, .3);--shadow-lg: rgba(0, 0, 0, .4);--tap-highlight: rgba(59, 130, 246, .15)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;font-weight:400;overflow-x:hidden;transition:background-color var(--transition-standard),color var(--transition-standard)}*{-webkit-tap-highlight-color:var(--tap-highlight)}*:focus-visible{outline:2px solid var(--primary);outline-offset:2px}button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;color:inherit}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:12px;width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);transition:border-color var(--transition-quick),box-shadow var(--transition-quick)}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}body{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.swipeable{touch-action:pan-y}.draggable{touch-action:none}.scrollable{touch-action:pan-y;-webkit-overflow-scrolling:touch}.tap-target{min-width:48px;min-height:48px;display:inline-flex;align-items:center;justify-content:center}.has-bottom-nav{padding-bottom:calc(56px + env(safe-area-inset-bottom))}.no-overscroll{overscroll-behavior:contain}.animate-gpu{will-change:transform;backface-visibility:hidden}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}