/* Reset y Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s ease-in-out;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.role-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--background-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Login Section */
.login-section {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.login-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
}

.login-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

/* Dashboard */
.dashboard-section {
    padding: 2rem 0;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
}

.brand-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1rem 0;
    min-height: 80px;
}

.brand-logo {
    max-width: 150px;
    max-height: 80px;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.filters {
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.filter-group select,
.filter-group input {
    font-size: 1.1rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Devices Grid */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.device-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
}

.device-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.device-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.device-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.device-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.device-actions {
    display: flex;
    gap: 0.5rem;
}

.device-info {
    margin-bottom: 1rem;
}

.device-info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.device-info-item:last-child {
    border-bottom: none;
}

.device-info-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.device-info-value {
    color: var(--text-primary);
}

.device-files {
    margin-top: 1rem;
}

.device-files-title {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.file-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.file-tag {
    background: var(--background-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

/* Device Form */
.device-form-section {
    padding: 2rem 0;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.form-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
}

.device-form {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Files Section */
.files-container {
    margin-bottom: 1rem;
}

.file-input-group {
    background: var(--background-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.file-input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.file-input-title {
    font-weight: 500;
    color: var(--text-primary);
}

.file-input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.file-input-grid a {
    word-break: break-all;
    white-space: normal;
}

.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
}

.toast {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideIn 0.3s ease-out;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .filters {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .devices-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.hidden { display: none !important; }
.visible { display: block !important; }


/* Estilos para modal de códigos QR */
.qr-modal {
    max-width: 600px;
    width: 90%;
}

.qr-container {
    text-align: center;
    padding: 20px;
}

.device-qr-info {
    background: var(--background-light);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
}

.device-qr-info h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3em;
}

.device-qr-info p {
    margin: 5px 0;
    color: var(--text-secondary);
}

.qr-code-container {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin: 10px 0;
    display: inline-block;
}

.qr-code-image {
    max-width: 250px;
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.qr-url-info {
    background: var(--background-light);
    padding: 15px;
    border-radius: 10px;
    margin: 20px 0;
}

.qr-url-info p {
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.url-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.url-input {
    flex: 1;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    background: white;
    color: var(--text-primary);
}

.url-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.qr-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}

.qr-actions .btn {
    min-width: 150px;
}

/* Responsive para modal QR */
@media (max-width: 768px) {
    .qr-modal {
        width: 95%;
        margin: 20px;
    }
    
    .qr-container {
        padding: 15px;
    }
    
    .qr-code-image {
        max-width: 200px;
    }
    
    .url-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .qr-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .qr-actions .btn {
        width: 100%;
        max-width: 250px;
    }
}

/* Animación para el modal QR */
.qr-modal {
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Estilos adicionales para el botón QR */
.device-actions .btn[title="Ver QR"] {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    color: white;
    border: none;
}

.device-actions .btn[title="Ver QR"]:hover {
    background: linear-gradient(135deg, #229954, #27ae60);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

/* Efecto de pulso para el icono QR */
.fa-qrcode {
    animation: qrPulse 2s infinite;
}

@keyframes qrPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}


/* File Upload Styles */
.file-input-group {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--surface-color);
}

.file-input-row {
    display: flex;
    gap: 1rem;
    align-items: end;
    margin-bottom: 0.5rem;
}

.file-input-row:last-child {
    margin-bottom: 0;
}

.file-input-group .form-group {
    flex: 1;
}

.file-input-group .btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    height: fit-content;
}

.files-section {
    margin-top: 1.5rem;
}

.files-section h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.add-file-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.add-file-btn:hover {
    background: #059669;
    transform: translateY(-1px);
}

.file-list {
    margin-top: 1rem;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    background: var(--surface-color);
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
}

.file-type {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.file-actions {
    display: flex;
    gap: 0.5rem;
}

.file-actions .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* Responsive file inputs */
@media (max-width: 768px) {
    .file-input-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .file-input-group .btn-sm {
        align-self: flex-start;
        margin-top: 0.5rem;
    }
}


/* Device manufacturer styles */
.device-manufacturer {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 0.25rem;
}

/* QR Modal styles */
.qr-modal {
    max-width: 500px;
    width: 90%;
}

.qr-info {
    text-align: center;
    margin-bottom: 1.5rem;
}

.qr-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.qr-info p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.qr-info a {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.qr-info a:hover {
    text-decoration: underline;
}

.qr-code-container {
    text-align: center;
    margin: 2rem 0;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
}

.qr-code-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.qr-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.qr-actions .btn {
    flex: 1;
    min-width: 150px;
}

@media (max-width: 768px) {
    .qr-actions {
        flex-direction: column;
    }
    
    .qr-actions .btn {
        width: 100%;
    }
}



/* Estilos para Modal QR */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.qr-modal {
    background: white;
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 1.5rem;
}

.qr-container {
    text-align: center;
}

.device-qr-info {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.device-qr-info h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.device-qr-info p {
    margin: 0.25rem 0;
    color: #555;
}

.qr-code-container {
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
}

.qr-code-image {
    max-width: 200px;
    height: auto;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px;
    background: white;
}

.qr-url-info {
    margin: 1.5rem 0;
    text-align: left;
}

.qr-url-info p {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #555;
}

.url-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.url-input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: #f8f9fa;
    font-size: 0.875rem;
    color: #555;
}

.qr-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .qr-modal {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .qr-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .url-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .qr-code-image {
        max-width: 150px;
    }
}



.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #666;
}

/* Estilos para la imagen de referencia en la tarjeta */
.device-image-container {
    width: 100%;
    height: 300px; /* Altura fija para mantener la uniformidad */
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    background-color: white;
}

.device-reference-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* Asegura que la imagen se ajuste sin cortarse */
    border-radius: 4px;
}

.no-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.9rem;
    text-align: center;
    width: 100%;
    height: 100%;
}

.no-image-placeholder i {
    font-size: 2rem;
    margin-bottom: 5px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
    }

    .filters select, .filters input {
        width: 100%;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}


/* Estilos para badges de password */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.badge-info {
    background-color: #e0f2fe;
    color: #075985;
    border: 1px solid #bae6fd;
}