:root{--color-primary: #2c3e50;--color-primary-dark: #1a252f;--color-secondary: #3498db;--color-success: #27ae60;--color-error: #e74c3c;--color-warning: #f39c12;--color-bg: #f8f9fa;--color-surface: #ffffff;--color-text: #2c3e50;--color-text-light: #7f8c8d;--color-border: #dfe6e9;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem;--border-radius: 8px;--border-radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .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:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:var(--spacing-sm)}h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}p{margin-bottom:var(--spacing-sm)}.container{width:100%;max-width:600px;margin:0 auto;padding:var(--spacing-md)}.page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-md)}.card{background:var(--color-surface);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-lg);width:100%;max-width:500px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-lg);font-weight:600;border:none;border-radius:var(--border-radius);cursor:pointer;transition:all .2s ease;text-decoration:none;width:100%;min-height:56px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:var(--color-secondary);color:#fff}.btn-secondary:hover:not(:disabled){background-color:#2980b9;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-success{background-color:var(--color-success);color:#fff}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;font-weight:600;margin-bottom:var(--spacing-xs);color:var(--color-text);font-size:var(--font-size-base)}.form-input,.form-select{width:100%;padding:var(--spacing-md);font-size:var(--font-size-lg);border:2px solid var(--color-border);border-radius:var(--border-radius);background-color:var(--color-surface);color:var(--color-text);transition:border-color .2s ease;min-height:56px}.form-input:focus,.form-select:focus{outline:none;border-color:var(--color-secondary)}.form-input::placeholder{color:var(--color-text-light)}.file-input-wrapper{position:relative;display:block}.file-input-wrapper input[type=file]{position:absolute;opacity:0;width:100%;height:100%;cursor:pointer}.file-input-label{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-lg);border:2px dashed var(--color-border);border-radius:var(--border-radius);background-color:var(--color-bg);cursor:pointer;transition:all .2s ease;min-height:80px;text-align:center}.file-input-label:hover{border-color:var(--color-secondary);background-color:#f0f8ff}.file-input-label.has-file{border-color:var(--color-success);background-color:#f0fff4}.form-hint{display:block;font-size:var(--font-size-sm);color:var(--color-text-light);margin-top:var(--spacing-xs)}.alert{padding:var(--spacing-md);border-radius:var(--border-radius);margin-bottom:var(--spacing-md);font-weight:500}.alert-success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert-error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert-warning{background-color:#fff3cd;color:#856404;border:1px solid #ffeaa7}.alert-info{background-color:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toggle-group{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.toggle-option{flex:1;padding:var(--spacing-md);border:2px solid var(--color-border);border-radius:var(--border-radius);background-color:var(--color-surface);cursor:pointer;text-align:center;font-weight:600;transition:all .2s ease}.toggle-option:hover{border-color:var(--color-secondary)}.toggle-option.active{background-color:var(--color-secondary);color:#fff;border-color:var(--color-secondary)}.datetime-group{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}.text-center{text-align:center}.text-muted{color:var(--color-text-light)}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.mt-0{margin-top:0}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}@media (min-width: 768px){.container{padding:var(--spacing-lg)}.card{padding:var(--spacing-xl)}}