Initial LinkedSign platform

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2026-04-06 20:33:59 -05:00
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import { useEffect, useState } from 'react';
import { Link, useNavigate, useLocation } from 'react-router-dom';
import { useAuth } from '../../contexts/AuthContext';
import { FileText, Shield, PenTool, LayoutDashboard, LogOut, Palette, Menu, X, KeyRound, Search, Plus, Users, Settings, ScrollText } from 'lucide-react';
import ChangePasswordModal from '../ui/ChangePasswordModal';
const navSections = [
{
label: 'Principal',
items: [
{ to: '/dashboard', icon: LayoutDashboard, label: 'Dashboard' },
{ to: '/documents', icon: FileText, label: 'Mis documentos' },
{ to: '/signatures', icon: PenTool, label: 'Firmar ahora' },
{ to: '/certificates', icon: Users, label: 'Firmantes' },
],
},
{
label: 'Sistema',
items: [
{ to: '/signature-style', icon: Settings, label: 'Configuración' },
],
},
];
const topbarTitles = {
'/dashboard': 'Dashboard',
'/documents': 'Mis documentos',
'/certificates': 'Firmantes',
'/signature-style': 'Configuración',
'/signatures': 'Firmar ahora',
};
export default function Layout({ children }) {
const { user, logout } = useAuth();
const navigate = useNavigate();
const location = useLocation();
const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
const [showChangePassword, setShowChangePassword] = useState(false);
useEffect(() => {
setMobileMenuOpen(false);
}, [location.pathname]);
const handleLogout = async () => {
await logout();
navigate('/login');
};
const currentTitle = topbarTitles[location.pathname] || 'FirmaDoc';
return (
<div className="app-layout">
{showChangePassword && (
<ChangePasswordModal onClose={() => setShowChangePassword(false)} />
)}
<header className="mobile-topbar">
<button
className="mobile-menu-toggle"
type="button"
onClick={() => setMobileMenuOpen(true)}
aria-label="Abrir menú"
>
<Menu size={20} />
</button>
<div className="mobile-topbar-brand">
<FileText size={18} />
<span>FirmaDoc</span>
</div>
</header>
{mobileMenuOpen && (
<button
type="button"
className="mobile-sidebar-backdrop"
aria-label="Cerrar menú"
onClick={() => setMobileMenuOpen(false)}
/>
)}
<aside className={`sidebar ${mobileMenuOpen ? 'sidebar--mobile-open' : ''}`}>
<div className="sidebar-brand">
<div className="sidebar-brand-mark">
<FileText size={18} />
</div>
<div className="sidebar-brand-copy">
<span>FirmaDoc</span>
<small>Plataforma web</small>
</div>
<button
type="button"
className="mobile-sidebar-close"
onClick={() => setMobileMenuOpen(false)}
aria-label="Cerrar menú"
>
<X size={18} />
</button>
</div>
<nav className="sidebar-nav">
{navSections.map((section) => (
<div key={section.label} className="sidebar-group">
<div className="nav-group-label">{section.label}</div>
{section.items.map(({ to, icon: Icon, label }) => (
<Link
key={to}
to={to}
className={`nav-item ${location.pathname.startsWith(to) ? 'active' : ''}`}
onClick={() => setMobileMenuOpen(false)}
>
<Icon size={15} />
<span>{label}</span>
</Link>
))}
</div>
))}
<div className="sidebar-group sidebar-group--disabled">
<div className="nav-group-label">Extra</div>
<span className="nav-item nav-item--static">
<ScrollText size={15} />
<span>Auditoría</span>
</span>
</div>
</nav>
<div className="sidebar-footer">
<button
type="button"
className="user-info-button"
onClick={() => setShowChangePassword(true)}
title="Cambiar contraseña"
>
<div className="user-info">
<div className="user-avatar">{user?.name?.[0]?.toUpperCase()}</div>
<div className="user-details">
<span className="user-name">{user?.name}</span>
<span className="user-email">{user?.email}</span>
</div>
</div>
<KeyRound size={16} />
</button>
<button className="btn-logout" onClick={handleLogout} title="Cerrar sesión">
<LogOut size={18} />
</button>
</div>
</aside>
<main className="main-content">
<div className="topbar">
<div className="topbar-title">{currentTitle}</div>
<div className="search-box">
<Search size={13} />
<input placeholder="Buscar documentos..." aria-label="Buscar documentos" />
</div>
<button className="btn btn-primary topbar-cta" type="button" onClick={() => navigate('/documents')}>
<Plus size={14} />
Nuevo documento
</button>
</div>
{children}
</main>
</div>
);
}
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import { useMemo, useState } from 'react';
import toast from 'react-hot-toast';
import { KeyRound } from 'lucide-react';
import { changePassword } from '../../api/auth';
const getPasswordChecks = (password = '') => ([
{ label: 'Al menos 8 caracteres', valid: password.length >= 8 },
{ label: 'Una mayúscula', valid: /[A-Z]/.test(password) },
{ label: 'Una minúscula', valid: /[a-z]/.test(password) },
{ label: 'Un número', valid: /\d/.test(password) },
{ label: 'Un carácter especial', valid: /[^A-Za-z0-9]/.test(password) },
]);
export default function ChangePasswordModal({ onClose }) {
const [form, setForm] = useState({
currentPassword: '',
newPassword: '',
confirmPassword: '',
});
const [saving, setSaving] = useState(false);
const passwordChecks = useMemo(() => getPasswordChecks(form.newPassword), [form.newPassword]);
const isPasswordStrong = passwordChecks.every((check) => check.valid);
const handleChange = (event) => {
const { name, value } = event.target;
setForm((currentForm) => ({ ...currentForm, [name]: value }));
};
const handleSubmit = async (event) => {
event.preventDefault();
if (!isPasswordStrong) {
toast.error('La nueva contraseña no cumple con los requisitos de seguridad');
return;
}
if (form.newPassword !== form.confirmPassword) {
toast.error('Las contraseñas nuevas no coinciden');
return;
}
setSaving(true);
try {
await changePassword({
currentPassword: form.currentPassword,
newPassword: form.newPassword,
});
toast.success('Te enviamos un correo para confirmar el cambio de contraseña');
onClose();
} catch (error) {
toast.error(error.response?.data?.error || 'No se pudo cambiar la contraseña');
} finally {
setSaving(false);
}
};
return (
<div className="modal-overlay" onClick={onClose}>
<div className="modal-card" onClick={(event) => event.stopPropagation()}>
<div className="modal-header">
<div className="modal-title">
<KeyRound size={18} />
<span>Cambiar contraseña</span>
</div>
</div>
<p className="modal-desc">
Usa una contraseña segura. Debe incluir mayúscula, minúscula, número, carácter especial y mínimo 8 caracteres.
</p>
<form className="auth-form" onSubmit={handleSubmit}>
<div className="field">
<label>Contraseña actual</label>
<input type="password" name="currentPassword" value={form.currentPassword} onChange={handleChange} required autoFocus />
</div>
<div className="field">
<label>Nueva contraseña</label>
<input type="password" name="newPassword" value={form.newPassword} onChange={handleChange} required />
<div className="password-rules">
{passwordChecks.map((check) => (
<div
key={check.label}
className={`password-rule ${check.valid ? 'password-rule--ok' : 'password-rule--pending'}`}
>
<span>{check.valid ? '✓' : '•'}</span>
<span>{check.label}</span>
</div>
))}
</div>
</div>
<div className="field">
<label>Confirmar nueva contraseña</label>
<input type="password" name="confirmPassword" value={form.confirmPassword} onChange={handleChange} required />
</div>
<div className="modal-actions">
<button type="button" className="btn btn-ghost" onClick={onClose}>Cancelar</button>
<button type="submit" className="btn btn-primary" disabled={saving}>
{saving ? 'Guardando...' : 'Guardar contraseña'}
</button>
</div>
</form>
</div>
</div>
);
}
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import { useState, useEffect, useRef } from 'react';
import { KeyRound, X } from 'lucide-react';
export default function PasswordModal({ title, description, onConfirm, onCancel }) {
const [password, setPassword] = useState('');
const inputRef = useRef();
useEffect(() => {
setTimeout(() => inputRef.current?.focus(), 50);
}, []);
const handleSubmit = (e) => {
e.preventDefault();
onConfirm(password);
};
return (
<div className="modal-overlay" onClick={onCancel}>
<div className="modal-card" onClick={(e) => e.stopPropagation()}>
<div className="modal-header">
<div className="modal-title">
<KeyRound size={18} />
<span>{title || 'Contraseña requerida'}</span>
</div>
<button className="btn-icon" onClick={onCancel}><X size={16} /></button>
</div>
{description && <p className="modal-desc">{description}</p>}
<form onSubmit={handleSubmit}>
<div className="field">
<label>Contraseña del certificado</label>
<input
ref={inputRef}
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
placeholder="Ingresa la contraseña..."
autoComplete="current-password"
/>
</div>
<div className="modal-actions">
<button type="button" className="btn btn-ghost" onClick={onCancel}>Cancelar</button>
<button type="submit" className="btn btn-primary">Confirmar</button>
</div>
</form>
</div>
</div>
);
}
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import { useState, useRef, useCallback } from 'react';
import { Document, Page, pdfjs } from 'react-pdf';
import 'react-pdf/dist/Page/AnnotationLayer.css';
import 'react-pdf/dist/Page/TextLayer.css';
pdfjs.GlobalWorkerOptions.workerSrc = new URL(
'pdfjs-dist/build/pdf.worker.min.mjs',
import.meta.url,
).toString();
const SIG_W = 200;
const SIG_H = 60;
const getSignatureWidth = (style, signerName = '') => {
if (style !== 'qr') return SIG_W;
const normalizedName = signerName.trim();
const calculatedWidth = 78 + (normalizedName.length * 4.9);
return Math.max(170, Math.min(270, Math.round(calculatedWidth)));
};
export default function PdfSignaturePlacer({
pdfBlob,
signerName,
signatureStyle = 'classic',
qrPosition = 'left',
qrBackground = 'transparent',
qrBorder = 'none',
signatureImage = null,
onPlaced,
}) {
const [numPages, setNumPages] = useState(null);
const [currentPage, setCurrentPage] = useState(1);
const [sigBox, setSigBox] = useState(null); // { x, y } in container px
const containerRef = useRef(null);
const [pageSize, setPageSize] = useState(null); // rendered px size
const signatureWidth = getSignatureWidth(signatureStyle, signerName);
const getCanvasMetrics = () => {
const container = containerRef.current;
const canvas = container?.querySelector('.react-pdf__Page__canvas');
if (!container || !canvas) return null;
const containerRect = container.getBoundingClientRect();
const canvasRect = canvas.getBoundingClientRect();
return {
containerRect,
canvasRect,
offsetX: canvasRect.left - containerRect.left,
offsetY: canvasRect.top - containerRect.top,
width: canvasRect.width,
height: canvasRect.height,
};
};
const handleDocLoad = ({ numPages }) => setNumPages(numPages);
const handlePageLoad = (page) => {
setPageSize({ width: page.width, height: page.height });
};
const handleContainerClick = (e) => {
const metrics = getCanvasMetrics();
if (!metrics) return;
const x = e.clientX - metrics.canvasRect.left;
const y = e.clientY - metrics.canvasRect.top;
const clampedX = Math.min(Math.max(x, 0), metrics.width - signatureWidth);
const clampedY = Math.min(Math.max(y, 0), metrics.height - SIG_H);
setSigBox({
x: metrics.offsetX + clampedX,
y: metrics.offsetY + clampedY,
});
};
const handleConfirm = () => {
if (!sigBox || !pageSize) return;
const metrics = getCanvasMetrics();
if (!metrics) return;
const relativeX = sigBox.x - metrics.offsetX;
const relativeY = sigBox.y - metrics.offsetY;
// PDF coordinates: origin bottom-left, Y inverted
const scaleX = pageSize.pdfWidth / metrics.width;
const scaleY = pageSize.pdfHeight / metrics.height;
const pdfX = relativeX * scaleX;
const pdfY = pageSize.pdfHeight - (relativeY + SIG_H) * scaleY;
onPlaced({
page: currentPage - 1,
rect: {
x: Math.round(pdfX),
y: Math.round(pdfY),
width: Math.round(signatureWidth * scaleX),
height: Math.round(SIG_H * scaleY),
},
});
};
const previewDate = new Date().toLocaleDateString('es-EC');
const renderPreview = () => {
if (signatureStyle === 'qr') {
return (
<div className="sig-preview-body sig-preview-body--qr">
{qrPosition === 'left' && (
<div className="sig-preview-qr-box" data-background={qrBackground} data-border={qrBorder}>
<div className="sig-preview-qr-pattern" />
<span>QR</span>
</div>
)}
<div className="sig-preview-text">
<strong>{signerName}</strong>
<small>Verificación digital</small>
</div>
{qrPosition === 'right' && (
<div className="sig-preview-qr-box" data-background={qrBackground} data-border={qrBorder}>
<div className="sig-preview-qr-pattern" />
<span>QR</span>
</div>
)}
</div>
);
}
if (signatureStyle === 'professional') {
return (
<div className="sig-preview-body sig-preview-body--professional">
<div className="sig-preview-pro-header">FIRMA DIGITAL</div>
<div className="sig-preview-pro-content">
<strong>{signerName}</strong>
<small>{previewDate}</small>
</div>
</div>
);
}
if (signatureStyle === 'image') {
return (
<div className="sig-preview-body sig-preview-body--image">
<div className="sig-preview-image-area">
{signatureImage
? <img src={signatureImage} alt="firma" className="sig-preview-image" />
: <span className="sig-preview-image-placeholder">Firma</span>}
</div>
<div className="sig-preview-text">
<strong>{signerName}</strong>
<small>Firma digital · {previewDate}</small>
</div>
</div>
);
}
return (
<div className="sig-preview-body">
<span className="sig-preview-badge">DS</span>
<div className="sig-preview-text">
<strong>{signerName}</strong>
<small>Firma digital · {previewDate}</small>
</div>
</div>
);
};
return (
<div className="pdf-placer">
<div className="pdf-placer-toolbar">
<span className="pdf-placer-hint">
Haz clic en el documento para colocar la firma
</span>
<div className="pdf-placer-pages">
<button className="btn btn-ghost" disabled={currentPage <= 1}
onClick={() => { setCurrentPage(p => p - 1); setSigBox(null); }}>‹</button>
<span>Pág. {currentPage} / {numPages || '…'}</span>
<button className="btn btn-ghost" disabled={currentPage >= numPages}
onClick={() => { setCurrentPage(p => p + 1); setSigBox(null); }}>›</button>
</div>
</div>
<div
ref={containerRef}
className="pdf-placer-canvas"
onClick={handleContainerClick}
style={{ cursor: 'crosshair', position: 'relative', display: 'inline-block' }}
>
<Document file={pdfBlob} onLoadSuccess={handleDocLoad}>
<Page
pageNumber={currentPage}
width={600}
onLoadSuccess={(p) => setPageSize({
width: p.width, height: p.height,
pdfWidth: p.originalWidth, pdfHeight: p.originalHeight,
})}
/>
</Document>
{sigBox && (
<div
className={`sig-preview-box sig-preview-box--${signatureStyle}`}
data-background={signatureStyle === 'qr' ? qrBackground : undefined}
data-border={signatureStyle === 'qr' ? qrBorder : undefined}
style={{ left: sigBox.x, top: sigBox.y, width: signatureWidth, height: SIG_H }}
onClick={(e) => e.stopPropagation()}
>
{signatureStyle === 'classic' && <div className="sig-preview-bar" />}
{renderPreview()}
</div>
)}
</div>
{sigBox && (
<div className="pdf-placer-actions">
<button className="btn btn-ghost" onClick={() => setSigBox(null)}>Limpiar</button>
<button className="btn btn-primary" onClick={handleConfirm}>
Confirmar posición
</button>
</div>
)}
</div>
);
}
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import { Navigate } from 'react-router-dom';
import { useAuth } from '../../contexts/AuthContext';
export default function PrivateRoute({ children }) {
const { user, loading } = useAuth();
if (loading) return <div className="loading-screen"><div className="spinner" /></div>;
if (!user) return <Navigate to="/login" replace />;
return children;
}
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import { useRef } from 'react';
import { QrCode, Briefcase, ImageIcon, Stamp, PanelsLeftBottom, PanelsRightBottom, CircleOff, Square } from 'lucide-react';
const getQrPreviewWidth = (name = '') => {
const extraWidth = Math.max(0, name.trim().length - 18) * 4;
return Math.min(320, 220 + extraWidth);
};
const STYLES = [
{
id: 'classic',
label: 'Clásico',
icon: Stamp,
desc: 'Barra azul, insignia DS y campos de texto',
preview: ({ name, date }) => (
<div className="sig-preview sig-preview--classic">
<div className="sp-bar" />
<div className="sp-body">
<div className="sp-badge">DS</div>
<div className="sp-info">
<strong>{name}</strong>
<span>Razon: Firmado digitalmente</span>
<span>Fecha: {date}</span>
</div>
</div>
<div className="sp-watermark">Firma digital</div>
</div>
),
},
{
id: 'qr',
label: 'Código QR',
icon: QrCode,
desc: 'QR de verificación con datos de la firma',
preview: ({ name, date, qrPosition = 'left', qrBackground = 'transparent', qrBorder = 'none' }) => (
<div
className="sig-preview sig-preview--qr"
data-background={qrBackground}
data-border={qrBorder}
style={{ width: `${getQrPreviewWidth(name)}px`, maxWidth: '100%' }}
>
{qrPosition === 'left' && (
<>
<div className="sp-qr-box" data-background={qrBackground} data-border={qrBorder}>
<svg viewBox="0 0 10 10" className="sp-qr-svg" xmlns="http://www.w3.org/2000/svg">
{[0,1,2,3,4,5,6,7,8,9].map(r =>
[0,1,2,3,4,5,6,7,8,9].map(c => {
const v = ((r * 3 + c * 7 + r ^ c) % 3 === 0);
return v ? <rect key={`${r}-${c}`} x={c} y={r} width={1} height={1} fill="#1f1b6e" /> : null;
})
)}
<rect x={0} y={0} width={3} height={3} fill="none" stroke="#1f1b6e" strokeWidth={0.3} />
<rect x={7} y={0} width={3} height={3} fill="none" stroke="#1f1b6e" strokeWidth={0.3} />
<rect x={0} y={7} width={3} height={3} fill="none" stroke="#1f1b6e" strokeWidth={0.3} />
</svg>
<span className="sp-qr-hint">Escanear</span>
</div>
<div className="sp-divider-v" />
</>
)}
<div className="sp-info sp-info--qr">
<strong>{name}</strong>
<span>Firmado digitalmente</span>
<span>{date}</span>
</div>
{qrPosition === 'right' && (
<>
<div className="sp-divider-v" />
<div className="sp-qr-box" data-background={qrBackground} data-border={qrBorder}>
<svg viewBox="0 0 10 10" className="sp-qr-svg" xmlns="http://www.w3.org/2000/svg">
{[0,1,2,3,4,5,6,7,8,9].map(r =>
[0,1,2,3,4,5,6,7,8,9].map(c => {
const v = ((r * 3 + c * 7 + r ^ c) % 3 === 0);
return v ? <rect key={`${r}-${c}`} x={c} y={r} width={1} height={1} fill="#1f1b6e" /> : null;
})
)}
<rect x={0} y={0} width={3} height={3} fill="none" stroke="#1f1b6e" strokeWidth={0.3} />
<rect x={7} y={0} width={3} height={3} fill="none" stroke="#1f1b6e" strokeWidth={0.3} />
<rect x={0} y={7} width={3} height={3} fill="none" stroke="#1f1b6e" strokeWidth={0.3} />
</svg>
<span className="sp-qr-hint">Escanear</span>
</div>
</>
)}
</div>
),
},
{
id: 'professional',
label: 'Profesional',
icon: Briefcase,
desc: 'Cabecera oscura formal con campos organizados',
preview: ({ name, date }) => (
<div className="sig-preview sig-preview--professional">
<div className="sp-pro-header">FIRMA DIGITAL <span>Firmado electrónicamente</span></div>
<div className="sp-pro-name">{name}</div>
<div className="sp-pro-line" />
<div className="sp-pro-fields">
<div><b>Razon:</b><span>Firmado digitalmente</span></div>
<div><b>Fecha:</b><span>{date}</span></div>
</div>
</div>
),
},
{
id: 'image',
label: 'Imagen',
icon: ImageIcon,
desc: 'Sube tu firma manuscrita o imagen personalizada',
preview: ({ name, date, image }) => (
<div className="sig-preview sig-preview--image">
<div className="sp-img-bar" />
<div className="sp-img-area">
{image
? <img src={image} alt="firma" className="sp-sig-img" />
: <span className="sp-img-placeholder">Tu firma aquí</span>
}
</div>
<div className="sp-divider-v" />
<div className="sp-info">
<strong>{name}</strong>
<span>Firmado digitalmente</span>
<span>{date}</span>
</div>
</div>
),
},
];
export default function SignatureStylePicker({
value,
onChange,
signatureImage,
onImageChange,
signerName,
qrPosition = 'left',
onQrPositionChange,
qrBackground = 'transparent',
onQrBackgroundChange,
qrBorder = 'none',
onQrBorderChange,
}) {
const fileRef = useRef();
const today = new Date().toLocaleDateString('es-EC');
const handleImageFile = (e) => {
const file = e.target.files[0];
if (!file) return;
if (!file.type.startsWith('image/')) return;
const reader = new FileReader();
reader.onload = (ev) => onImageChange(ev.target.result);
reader.readAsDataURL(file);
e.target.value = '';
};
return (
<div className="style-picker">
<label className="field-label-standalone">Estilo de firma visual</label>
<div className="style-picker-grid">
{STYLES.map(s => {
const Icon = s.icon;
const isActive = value === s.id;
return (
<button
key={s.id}
type="button"
className={`style-card ${isActive ? 'style-card--active' : ''}`}
onClick={() => onChange(s.id)}
>
<div className="style-card-header">
<Icon size={14} />
<span>{s.label}</span>
{isActive && <div className="style-card-check">✓</div>}
</div>
<div className="style-card-preview">
{s.preview({
name: signerName || 'Milton González H.',
date: today,
image: signatureImage,
qrPosition,
qrBackground,
qrBorder,
})}
</div>
<p className="style-card-desc">{s.desc}</p>
{s.id === 'qr' && isActive && (
<div className="style-card-inline-tools">
<div className="style-inline-group">
<button
type="button"
className={`style-icon-toggle ${qrBackground === 'transparent' ? 'style-icon-toggle--active' : ''}`}
onClick={(event) => {
event.stopPropagation();
onQrBackgroundChange?.('transparent');
}}
title="Fondo transparente"
aria-label="Fondo transparente"
>
<CircleOff size={15} />
</button>
<button
type="button"
className={`style-icon-toggle ${qrBackground === 'soft' ? 'style-icon-toggle--active' : ''}`}
onClick={(event) => {
event.stopPropagation();
onQrBackgroundChange?.('soft');
}}
title="Fondo suave"
aria-label="Fondo suave"
>
<Square size={15} />
</button>
</div>
<div className="style-inline-group">
<button
type="button"
className={`style-icon-toggle ${qrBorder === 'none' ? 'style-icon-toggle--active' : ''}`}
onClick={(event) => {
event.stopPropagation();
onQrBorderChange?.('none');
}}
title="Sin borde"
aria-label="Sin borde"
>
<CircleOff size={15} />
</button>
<button
type="button"
className={`style-icon-toggle ${qrBorder === 'line' ? 'style-icon-toggle--active' : ''}`}
onClick={(event) => {
event.stopPropagation();
onQrBorderChange?.('line');
}}
title="Con borde"
aria-label="Con borde"
>
<Square size={15} />
</button>
</div>
<button
type="button"
className={`style-icon-toggle ${qrPosition === 'left' ? 'style-icon-toggle--active' : ''}`}
onClick={(event) => {
event.stopPropagation();
onQrPositionChange?.('left');
}}
title="QR a la izquierda"
aria-label="QR a la izquierda"
>
<PanelsLeftBottom size={15} />
</button>
<button
type="button"
className={`style-icon-toggle ${qrPosition === 'right' ? 'style-icon-toggle--active' : ''}`}
onClick={(event) => {
event.stopPropagation();
onQrPositionChange?.('right');
}}
title="QR a la derecha"
aria-label="QR a la derecha"
>
<PanelsRightBottom size={15} />
</button>
</div>
)}
</button>
);
})}
</div>
{value === 'image' && (
<div className="image-upload-area">
<button type="button" className="btn btn-ghost btn-sm" onClick={() => fileRef.current.click()}>
<ImageIcon size={14} /> {signatureImage ? 'Cambiar imagen' : 'Subir firma (PNG/JPG)'}
</button>
{signatureImage && (
<button type="button" className="btn btn-ghost btn-sm danger" onClick={() => onImageChange(null)}>
Quitar imagen
</button>
)}
<small className="field-hint">Fondo transparente (PNG) recomendado para mejor resultado</small>
<input ref={fileRef} type="file" accept="image/png,image/jpeg,image/webp" style={{ display: 'none' }} onChange={handleImageFile} />
</div>
)}
</div>
);
}