*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #ffffff;--color-surface: #f5f5f5;--color-border: #e0e0e0;--color-text: #000000;--color-text-secondary: #666666;--color-text-tertiary: #999999;--color-primary: #000000;--color-primary-hover: #333333;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-info: #3b82f6;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-full: 9999px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out;--touch-target: 44px}.dark{--color-bg: #000000;--color-surface: #1a1a1a;--color-border: #333333;--color-text: #ffffff;--color-text-secondary: #a3a3a3;--color-text-tertiary: #737373;--color-primary: #ffffff;--color-primary-hover: #e5e5e5;--shadow-sm: 0 1px 2px 0 rgba(255, 255, 255, .05);--shadow-md: 0 4px 6px -1px rgba(255, 255, 255, .1);--shadow-lg: 0 10px 15px -3px rgba(255, 255, 255, .1)}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;color:var(--color-text);background-color:var(--color-bg);min-height:100vh;min-height:100dvh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}#app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.container{width:100%;max-width:640px;margin:0 auto;padding:0 var(--spacing-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);min-height:var(--touch-target);font-size:var(--font-size-base);font-weight:500;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);text-decoration:none;background:none;color:inherit;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:var(--color-bg);border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover)}.btn-secondary{border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-surface)}.btn-success{background-color:var(--color-success);color:#fff}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:var(--font-size-sm);min-height:36px}.btn-icon{padding:var(--spacing-sm);width:var(--touch-target);height:var(--touch-target)}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;font-size:var(--font-size-sm);font-weight:500;margin-bottom:var(--spacing-xs);color:var(--color-text-secondary)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);font-family:inherit;color:var(--color-text);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-base);min-height:var(--touch-target)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary)}.form-textarea{resize:vertical;min-height:100px}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-md)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md)}.card-title{font-size:var(--font-size-lg);font-weight:600}.progress-bar{width:100%;height:8px;background-color:var(--color-border);border-radius:var(--radius-full);overflow:hidden;position:relative}.progress-bar-fill{height:100%;background-color:var(--color-success);transition:width var(--transition-slow);border-radius:var(--radius-full)}.progress-bar-fill.over-target{background-color:var(--color-warning)}.nav{display:flex;gap:var(--spacing-xs);padding:var(--spacing-sm);background-color:var(--color-surface);border-top:1px solid var(--color-border);position:sticky;bottom:0;left:0;right:0;z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm);min-height:var(--touch-target);font-size:var(--font-size-xs);color:var(--color-text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-base)}.nav-item:hover,.nav-item.active{color:var(--color-primary);background-color:var(--color-bg)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md);animation:fadeIn var(--transition-base)}.modal{background-color:var(--color-surface);border-radius:var(--radius-lg);max-width:500px;width:100%;max-height:90vh;overflow-y:auto;animation:slideUp var(--transition-base)}.modal-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.modal-body{padding:var(--spacing-lg)}.modal-footer{padding:var(--spacing-lg);border-top:1px solid var(--color-border);display:flex;gap:var(--spacing-sm);justify-content:flex-end}.text-center{text-align:center}.text-right{text-align:right}.text-sm{font-size:var(--font-size-sm)}.text-xs{font-size:var(--font-size-xs)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.text-3xl{font-size:var(--font-size-3xl)}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-danger{color:var(--color-danger)}.font-bold{font-weight:600}.font-semibold{font-weight:500}.mt-xs{margin-top:var(--spacing-xs)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-xs{margin-bottom:var(--spacing-xs)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.hidden{display:none!important}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.loading-spinner{width:24px;height:24px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 640px){:root{--font-size-3xl: 1.75rem;--font-size-2xl: 1.375rem}}@supports (padding: max(0px)){body{padding-left:max(0px,env(safe-area-inset-left));padding-right:max(0px,env(safe-area-inset-right))}.nav{padding-bottom:max(var(--spacing-sm),env(safe-area-inset-bottom))}}